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3D texturing of the air–water interface by biomimetic self-assembly

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Nanoscale Horiz., 2020, 5,839-846
DOI: 10.1039/C9NH00722A, Communication
Open Access
Erik Bergendal, Richard A. Campbell, Georgia A. Pilkington, Peter Müller-Buschbaum, Mark W. Rutland
The air–water interface can be textured according to the same self-assembly packing criteria that determine the wealth of 3D structures found in micellar and other amphiphilic meso-phases.
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Porous graphitic carbon nitride for solar photocatalytic applications

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Nanoscale Horiz., 2020, 5,765-786
DOI: 10.1039/D0NH00046A, Review Article
Yang Li, Xin Li, Huaiwu Zhang, Quanjun Xiang
This review summarizes the development of PCN, i.e., synthesis, morphology, modification, and application in recent years. This review can provide a comprehensive view of PCN and lay a foundation for the design of ideal photocatalysts in the future.
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Defect engineering of 2D BiOCl nanosheets for photonic tumor ablation

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Nanoscale Horiz., 2020, 5,857-868
DOI: 10.1039/C9NH00707E, Communication
Chen Dai, Ruizhi Hu, Chunmei Wang, Zhuang Liu, Shengjian Zhang, Luodan Yu, Yu Chen, Bo Zhang
Photothermal therapy (PTT) is an emerging technology as a noninvasive therapeutic modality for inducing photonic cancer hyperthermia.
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High-yield electrochemical hydrogen peroxide production from an enhanced two-electron oxygen reduction pathway by mesoporous nitrogen-doped carbon and manganese hybrid electrocatalysts

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Nanoscale Horiz., 2020, 5,832-838
DOI: 10.1039/C9NH00783K, Communication
Ayeong Byeon, Jinwon Cho, Jong Min Kim, Keun Hwa Chae, Hee-Young Park, Seok Won Hong, Hyung Chul Ham, Seung Woo Lee, Ki Ro Yoon, Jin Young Kim
A selective and efficient electrocatalyst composed of MnO and Mn–Nx co-doped carbon nanostructures is developed for electrochemical hydrogen peroxide generation.
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Interface engineering of two-dimensional transition metal dichalcogenides towards next-generation electronic devices: recent advances and challenges

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Nanoscale Horiz., 2020, 5,787-807
DOI: 10.1039/C9NH00743A, Review Article
Wugang Liao, Siwen Zhao, Feng Li, Cong Wang, Yanqi Ge, Huide Wang, Shibo Wang, Han Zhang
This review presents recent advances and challenges in the interface engineering of 2D TMDCs and emerging electronics based on TMDCs.
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Metal assisted chemical etching of silicon in the gas phase: a nanofabrication platform for X-ray optics

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Nanoscale Horiz., 2020, 5,869-879
DOI: 10.1039/C9NH00709A, Communication
Open Access
Lucia Romano, Matias Kagias, Joan Vila-Comamala, Konstantins Jefimovs, Li-Ting Tseng, Vitaliy A. Guzenko, Marco Stampanoni
Gas-MacEtch of Si with a Pt catalyst allows vertical etching nanostructures with an extreme aspect ratio up to 10 000 : 1.
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Nanoengineering to achieve high efficiency practical lithium–sulfur batteries

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Nanoscale Horiz., 2020, 5,808-831
DOI: 10.1039/C9NH00730J, Minireview
Eunho Cha, Mumukshu Patel, Sanket Bhoyate, Vish Prasad, Wonbong Choi
Rapidly increasing markets for electric vehicles (EVs), energy storage for backup support systems and high-power portable electronics demand batteries with higher energy densities and longer cycle lives.
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Synthesis and optoelectronics of mixed-dimensional Bi/Te binary heterostructures

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Nanoscale Horiz., 2020, 5,847-856
DOI: 10.1039/C9NH00805E, Communication
Ye Zhang, Jia Guo, Yiguo Xu, Weichun Huang, Chao Li, Lingfeng Gao, Leiming Wu, Zhe Shi, Chunyang Ma, Yanqi Ge, Xiuwen Zhang, Han Zhang
0D Bi QDs were distributed on 2D Te NSs to prepare mixed-dimensional Bi/Te heterostructure. The studies demonstrate that Bi/Te shows excellent self-power photo-response behaviors as well as the great potential for ultrafast photonic devices.
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Colloidal PbS quantum dot stacking kinetics during deposition via printing

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Nanoscale Horiz., 2020, 5,880-885
DOI: 10.1039/D0NH00008F, Communication
Wei Chen, Haodong Tang, Nian Li, Manuel A. Scheel, Yue Xie, Depeng Li, Volker Körstgens, Matthias Schwartzkopf, Stephan V. Roth, Kai Wang, Xiao Wei Sun, Peter Müller-Buschbaum
The particle self-organization behavior of small-sized quantum dots is studied in situ with grazing-incidence small-angle X-ray scattering and during the drying process two phase transitions are found.
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Nano-size porous carbon spheres as a high-capacity anode with high initial coulombic efficiency for potassium-ion batteries

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Nanoscale Horiz., 2020, 5,895-903
DOI: 10.1039/D0NH00018C, Communication
Hehe Zhang, Chong Luo, Hanna He, Hong-Hui Wu, Li Zhang, Qiaobao Zhang, Haiyan Wang, Ming-Sheng Wang
An anode of hard carbon spheres with both small size and a porous structure enables superior electrochemical performance of potassium-ion batteries.
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Light-triggered dual-modality drug release of self-assembled prodrug-nanoparticles for synergistic photodynamic and hypoxia-activated therapy

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Nanoscale Horiz., 2020, 5,886-894
DOI: 10.1039/D0NH00034E, Communication
Dongyang Zhao, Wenhui Tao, Songhao Li, Lingxiao Li, Yixin Sun, Guanting Li, Gang Wang, Yang Wang, Bin Lin, Cong Luo, Yongjun Wang, Maosheng Cheng, Zhonggui He, Jin Sun
Prodrug-nanoparticles turn the disadvantage of the aggregation-caused quenching effect into an advantage to promote dual-modality PR104A release. Besides, photodynamic therapy-induced hypoxia activates PR104A for high-efficiency synergistic therapy.
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Enhancing the chemotherapeutic efficacy of platinum prodrug nanoparticles and inhibiting cancer metastasis by targeting iron homeostasis

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Nanoscale Horiz., 2020, Advance Article
DOI: 10.1039/D0NH00148A, Communication
Fang Ding, Lingpu Zhang, Hao Chen, Haiqin Song, Shiguo Chen, Haihua Xiao
Combination of cisplatin prodrug nanoparticles and Dp44mT results in enhanced anticancer and anti-metastatic efficiencies.
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Fast Deposition of Ultrathin, Highly Crystalline Organic Semiconductor Film for High-Performance Transistors

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Nanoscale Horiz., 2020, Accepted Manuscript
DOI: 10.1039/D0NH00096E, Communication
Xiali Zhang, Wei Deng, Bei Lu, Xiaochen Fang, Xiujuan Zhang, Jiansheng Jie
Ultrathin organic semiconductor (OSC) crystalline films hold the promise of achieving high-performance, flexible, and transparent organic electronic devices. However, fast and high-throughput solution deposition of uniform pinhole-free ultrathin OSC crystalline...
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Refractive index of nanoconfined water reveals its anomalous physical properties

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Nanoscale Horiz., 2020, Advance Article
DOI: 10.1039/D0NH00180E, Communication
T. H. H. Le, A. Morita, T. Tanaka
Anomalously low refractive index of nanoconfined water.
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Reconfigurable all-dielectric Fano metasurfaces for strong full-space intensity modulation of visible light

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Nanoscale Horiz., 2020, Advance Article
DOI: 10.1039/D0NH00139B, Communication
Open Access
Sun-Je Kim, Inki Kim, Sungwook Choi, Hyojin Yoon, Changhyun Kim, Yohan Lee, Chulsoo Choi, Junwoo Son, Yong Wook Lee, Junsuk Rho, Byoungho Lee
We demonstrated strong full-space modulation of visible intensities based on Fano resonances in all-dielectric VO2 metasurface gratings.
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Design for multi-step mechanochromic luminescence property by enhancement of environmental sensitivity in a solid-state emissive boron complex

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/C9QM00719A, Research Article
Satoru Saotome, Kazumasa Suenaga, Kazuo Tanaka, Yoshiki Chujo
The solid-state emissive boron complex with multi-step mechanochromic luminescence was designed. The crystalline sample showed gradual changes in luminescent color triggered by scratching. The design concept is illustrated.
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Spatially separated bimetallic cocatalysts on hollow-structured TiO2 for photocatalytic hydrogen generation

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00042F, Research Article
Ping She, Jun-sheng Qin, Heng Rao, Buyuan Guan, Jihong Yu
A hollow-structured TiO2 decorated with spatially separated bimetallic cocatalysts (Pd@TiO2@Au) was obtained, which exhibited superior photo-induced charge separation by combining the SPR effect of Au NPs and the smaller size effect of Pd NPs.
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A GFP-chromophore-based C3V-symmetric tripodal receptor with selective recognition of Hg(II), Fe(III) and Cr(III)

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00108B, Research Article
Chun-Yen Chou, Robert Sung, Wei-Luen Chang, Kuangsen Sung
A novel green-fluorescent-protein-chromophore-based tripodal receptor 1 is synthesized. Its single crystal X-ray diffraction structure looks like a straight, long tube with one end closed. The diameter of the inner cavity...
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Synergy of PVP and ethanol to synthesize Ni3S4 quantum dots for high-performance asymmetric supercapacitors

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00201A, Research Article
Jinfeng Zheng, Xiao Lian, Mingzai Wu, Fangcai Zheng, Yuan hao Gao, Helin Niu
Ni3S4 quantum dots (QDs) have great potential for supercapacitors due to their unique quantum effects, high specific surface area, high water solubility and good stability, but the current preparation process...
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Charge density modulation on asymmetric fused-ring acceptors for high-efficiency photovoltaic solar cells

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00123F, Research Article
Zhuohan Zhang, Linqiang Yang, Zhenghao Hu, Jiangsheng Yu, Xin Liu, Hongtao Wang, Jinru Cao, Fujun Zhang, Weihua Tang
Charge density modulation on thieno[2'',3'':5',6']-s-indaceno[2',1':4,5]dithieno[3,2-b:2',3'-d]pyrrole core has been conducted for a systematic study of its impact on the electronic structure, molecular packing and photovoltaic performance of asymmetric fused-ring acceptors.
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Highly efficient exciplex-based OLEDs incorporating a novel electron donor

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00116C, Research Article
Qi-Sheng Tian, Xiang-Dong Zhu, Liang-Sheng Liao
A high performance green exciplex OLED comprising a novel electron donor DEX with an acceptor PO-T2T can reach an EQEmax of 11.2%, and a red phosphorescent OLED incorporating the green exciplex forming co-host achieves an EQEmax of 24.5%.
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Near-infrared electron acceptors with fused nonacyclic molecular backbones for nonfullerene organic solar cells

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/C9QM00754G, Research Article
Jianquan Zhang, Yunke Li, Zhengxing Peng, Fujin Bai, Lik-Kuen Ma, Harald Ade, Zhengke Li, He Yan
Two strong electron-donating moieties were fused into the molecular backbone of small molecular acceptors showing dramatically extended absorption beyond 900 nm.
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Efficient near-infrared photosensitizer with aggregation-induced emission characteristics for mitochondria-targeted and image-guided photodynamic cancer therapy

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00170H, Research Article
Hanxiao Yang, Jiabao Zhuang, Nan Li, Yue Li, Shiyu Zhu, Jiaxin Hao, Jiayao Xin, Na Zhao
A highly efficient near-infrared photosensitizer with aggregation-induced emission characteristics was developed for mitochondria-targeted and image-guided photodynamic cancer therapy.
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Oxygen Vacancy Induced Superior Visible-light-driven Photo-catalytic Performance in BiOCl Homojunction

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00187B, Research Article
Si-Ying Niu, Ruoyu Zhang, Chongfeng Guo
The photocatalytic performance of semiconductor can be enhanced by expanding the spectral response and accelerating the photo-induced charge separation. Introduction of oxygen vacancies and construction of homo-junction in BiOCl were...
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Dimensional Anisotropic Graphene with High Mobility and High On-Off Ratio in three-terminal RRAM device

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00152J, Research Article
Bo Liu, Han Hsiang Tai, Hanyuan Liang, En-Yan Zheng, Mamina Sahoo, Chih-Hsien Hsu, Tsung Cheng Chen, Ching-An Huang, Jer-Chyi Wang, Tuo-Hung Hou, Chao-Sung Lai
In the past decade, graphene has aroused worldwide academic passion in electronic community, due to its unique two dimensional lattice structure and high mobility properties. Meanwhile, the utilization of graphene...
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Lithium bis(oxalate)borate additive in electrolyte to improve Li-rich layered oxide cathode materials

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00094A, Research Article
Zi Xiao, Jiuding Liu, Guilan Fan, Meng Yu, Junxiang Liu, Xinglong Gou, Mingjian Yuan, Fangyi Cheng
Lithium-rich layered oxides (LLO), as the most attractive cathode materials for high-energy lithium-ion batteries (LIBs), are plagued by poor cyclability due to structural and electrode/electrolyte interface instability. Herein, we report...
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Single-crystalline CoFe nanoparticles encapsulated in N-doped carbon nanotubes as a bifunctional catalyst for water splitting

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00126K, Research Article
Xiaojun Zeng, Myeong Je Jang, Sung Mook Choi, Hyun-Seok Cho, Chang-Hee Kim, Nosang Vincent Myung, Yadong Yin
We utilize a simple heat-treatment process to synthesize single-crystalline CoFe alloy nanoparticles encapsulated in N-doped carbon nanotubes, which exhibit excellent catalytic activity and superior stability towards overall water splitting.
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Electrical stability study of polymer-based organic transistors in ambient air using an active semiconducting/insulating polyblend-based pseudo-bilayer

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00048E, Research Article
Bo-Ren Lin, Horng-Long Cheng, Hung-Han Lin, Fu-Chiao Wu, Jia-Hui Lin, Wei-Yang Chou, Jrjeng Ruan, Yu-Wu Wang
Polymeric transistors with unexpected nondecaying features even in ambient air are fabricated based on a P3HT/PMMA pseudo-bilayer with microphase separation morphology.
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Polydopamine sacrificial layer mediated SiOx/C@C yolk@shell structure for durable lithium storage

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00120A, Research Article
Yuanyuan Zhang, Guangwu Hu, Qiang Yu, Zhenhui Liu, Chang Yu, Longsheng Wu, Liang Zhou, Liqiang Mai
Yolk@shell structured SiOx/C@C has been constructed through a polydopamine sacrificial layer mediated strategy, and the SiOx/C@C displays high specific capacity and durable cyclability in lithium storage.
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Aromatic imide/amide-based organic small-molecule emitters for organic light-emitting diodes

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00084A, Review Article
Yuanyuan Qin, Guoping Li, Ting Qi, Hui Huang
Aromatic imide/amide-based organic small molecules as emitters in organic light-emitting diodes have caught increasing attention. This study summarized their advances in terms of device performance and molecular design rules over the past 20 years.
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Multicationic AIEgens for unimolecular photodynamic theranostics and two-photon fluorescence bioimaging

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00119H, Research Article
Yuting Gao, Haoke Zhang, Zhenyan He, Fang Fang, Chao Wang, Kanghua Zeng, Shangbang Gao, Fanling Meng, Liang Luo, Ben Zhong Tang
This work reports multicationic AIEgens for unimolecular photodynamic theranostics, and an investigation of the relationship between their structures and activities, including PDT performance, 2-photon bioimaging, and self-reporting characteristics.
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Intentional modification of the optical spectral response and relative sensitivity of luminescent thermometers based on Fe3+,Cr3+,Nd3+ co-doped garnet nanocrystals by crystal field strength optimization

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00097C, Research Article
K. Kniec, K. Ledwa, K. Maciejewska, L. Marciniak
The relative sensitivity and usable temperature range of Fe3+,Cr3+-based luminescent thermometers can be tuned by modification of the crystal field strength.
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Fluoro-alkyl substituted isothianaphthene bisimides as stable n-type semiconductors

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Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00137F, Research Article
Xiaolong Chen, Dongwei Zhang, Yaowu He, Muhammad Umair Ali, Yuting Wu, Changbin Zhao, Peiheng Wu, Chaoyi Yan, Fred Wudl, Hong Meng
Two fluoro-alkyl substituted isothianaphthene bisimide materials with high solubility and their applications in stable n-type OTFTs are demonstrated.
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Novel cathode buffer layer of Al(acac)3 enables efficient, large area and stable semi-transparent organic solar cells

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00198H, Research Article
Yiming Bai, Chunyan Zhao, Rongkang Shi, Jun Wang, Fuzhi Wang, Tasawar Hayat, Ahmed Alsaedi, Zhan'ao Tan
Electrode buffer layer plays a more crucial in semi-transparent organic solar cells (ST-OSCs) than that of the opaque devices due to the additional requirements of the average visible transmittance (AVT)...
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Boosting the piezocatalytic performance towards degradation of organic pollutant of Bi2WO6 nanosheets

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00179A, Research Article
Aize Hao, Xueer Ning, Yali Cao, Jing Xie, Dianzen Jia
The novel piezocatalyst of Bi2WO6 nanosheets (BWO NS) are successfully synthesized by a simple, green and harmless solid-state chemistry method. The BWO NS present excellent piezocatalytic activity in contrast with...
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Chain-Length Effect on Binary Superlattices of Polymer-Tethered Nanoparticles

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Mater. Chem. Front., 2020, Accepted Manuscript
DOI: 10.1039/D0QM00194E, Research Article
Ke Wang, Fan Li, Seon-Mi Jin, Kui Wang, Di Tian, Mubashir Hussain, Jiangping Xu, Lianbin Zhang, Yonggui Liao, Eunji Lee, Gi Yi, Xiaolin Xie, Jintao Zhu
Binary inorganic nanoparticles (NPs) can be assembled into various types of superlattices depending on the size ratio, shape, and interparticle potential, which may tailor mechanical, optical and electronic properties. Here,...
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The application of hollow micro-/nanostructured cathodes for sodium-ion batteries

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Mater. Chem. Front., 2020, 4,1289-1303
DOI: 10.1039/C9QM00674E, Chemistry Frontiers
Xiao-Hao Liu, Wei-Hong Lai, Shu-Lei Chou
This work will open a new view for the design of hollow micro-/nanostructures used as cathodes for sodium-ion batteries, enclosing the superiority of this unique structure to enhance the electrochemical performance.
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Non-equilibrium kinetics and trajectory thermodynamics of synthetic molecular pumps

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Mater. Chem. Front., 2020, 4,1304-1314
DOI: 10.1039/D0QM00022A, Review Article
R. Dean Astumian, Cristian Pezzato, Yuanning Feng, Yunyan Qiu, Paul R. McGonigal, Chuyang Cheng, J. Fraser Stoddart
Hypothetical transmembrane rotaxane as a model for trajectory thermodynamic theory of synthetic molecular pumps.
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Nitro-graphene oxide in iridium oxide hybrids: electrochemical modulation of N-graphene redox states and charge capacities

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Mater. Chem. Front., 2020, 4,1421-1433
DOI: 10.1039/C9QM00752K, Research Article
Open Access
E. Pérez, N. M. Carretero, S. Sandoval, A. Fuertes, G. Tobias, N. Casañ-Pastor
Electrochemical modulation of N-graphene oxide in IrOx hybrids results in an oxidizing range of graphenes and large charge capacities.
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The origin of the unusual red-shifted aggregation-state emission of triphenylamine-imidazole molecules: excimers or a photochemical reaction?

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Mater. Chem. Front., 2020, 4,1411-1420
DOI: 10.1039/C9QM00737G, Research Article
Jin Liu, Jianai Chen, Yujie Dong, Yue Yu, Shitong Zhang, Jianli Wang, Qingbao Song, Weijun Li, Cheng Zhang
Revealing the actual origin of the unusual red-shifted aggregation-state emission of triphenylamine-imidazole molecules: is the photochemical reaction rather than the excimers.
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Chemically modified nucleic acid biopolymers used in biosensing

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Mater. Chem. Front., 2020, 4,1315-1327
DOI: 10.1039/D0QM00026D, Review Article
Lei Zhang, Yanbing Yang, Jie Tan, Quan Yuan
This review describes the applications of chemically modified nucleic acid biopolymers in biosensing, and mainly introduces different assembly methods of chemically modified nucleic acid biopolymers.
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The power of dissociation: development of displacement assays for chemosensing and latent catalytic systems

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Mater. Chem. Front., 2020, 4,1328-1339
DOI: 10.1039/C9QM00639G, Review Article
Cheuk-Fai Chow, Anxun Zheng, Min Huang, Chang Shen
Disassembly is an essential process in supramolecular chemistry. In this review, different bimetallic donor–acceptor-based chemosensors, chemodosimeters, catalysts and latent catalysts founded on various displacement assays will be discussed.
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A zinc non-halide dopant strategy enables efficient perovskite CsPbI3 quantum dot-based light-emitting diodes

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Mater. Chem. Front., 2020, 4,1444-1453
DOI: 10.1039/C9QM00734B, Research Article
Jinhang Li, Jiawei Chen, Leimeng Xu, Sinan Liu, Si Lan, Xiansheng Li, Jizhong Song
A zinc non-halide dopant strategy is employed to clarify the internal mechanism of Zn2+ doping without the introduction of halide ions and enhance the emission properties evidenced by the EQE of the QLEDs from 7.5% to 14.6% after Zn2+ doping.
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Modulation of ligand conjugation for efficient FAPbBr3 based green light-emitting diodes

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Mater. Chem. Front., 2020, 4,1383-1389
DOI: 10.1039/C9QM00768G, Research Article
Feng Zhang, Mengna Sun, Xiyu Luo, Dongdong Zhang, Lian Duan
We put forward a new strategy for efficient PeLEDs by understanding the effect of ligand conjugation on device performance.
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Dual-doping of ruthenium and nickel into Co3O4 for improving the oxygen evolution activity

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Mater. Chem. Front., 2020, 4,1390-1396
DOI: 10.1039/D0QM00079E, Research Article
Beibei Guo, Ruguang Ma, Zichuang Li, Jun Luo, Minghui Yang, Jiacheng Wang
Ru and Ni co-doped Co3O4 with improved OER activity were synthesized by a one-step hydrothermal method. Ru doping increases the intrinsic activity, while Ni doping creates more oxygen vacancies and exposes more active sites.
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Fused-ring phenazine building blocks for efficient copolymer donors

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Mater. Chem. Front., 2020, 4,1454-1458
DOI: 10.1039/D0QM00080A, Research Article
Wenting Li, Qishi Liu, Ke Jin, Ming Cheng, Feng Hao, Wu-Qiang Wu, Shengjian Liu, Zuo Xiao, Shangfeng Yang, Shengwei Shi, Liming Ding
Phenazine copolymer donors demonstrate an efficiency of 15.14% in nonfullerene organic solar cells.
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From simple Katritzky salts to AIEgens: mechanochromic luminescence and heparin detection

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Mater. Chem. Front., 2020, 4,1492-1499
DOI: 10.1039/C9QM00783K, Research Article
Faxu Lin, Yang Feng, Xiaoqing Liu, Lei Wang, Zhen-Qiang Yu, Yi Liu
A series of novel AIEgens based on Katritzky pyridinium salts were readily synthesized and exhibited interesting aggregation-induced emission behaviors, remarkable mechanochromic luminescence, and promising heparin detection.
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Sandwich structured dielectrics for air-stable and flexible low-voltage organic transistors in ultrasensitive pressure sensing

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Mater. Chem. Front., 2020, 4,1459-1470
DOI: 10.1039/D0QM00062K, Research Article
Yue Jiang, Ziyang Liu, Zhigang Yin, Qingdong Zheng
A novel type of polymer sandwich dielectric is developed for air-stable, hysteresis-free and flexible OTFTs which can be used for low-power pressure sensors with ultrahigh sensitivity, wide detection range and fast response.
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Highly active hydrogen evolution catalysis on oxygen-deficient double-perovskite oxide PrBaCo2O6−δ

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Mater. Chem. Front., 2020, 4,1519-1529
DOI: 10.1039/D0QM00056F, Research Article
Hayato Togano, Kaisei Asai, Seiji Oda, Hidekazu Ikeno, Shogo Kawaguchi, Kengo Oka, Kouhei Wada, Shunsuke Yagi, Ikuya Yamada
Oxygen-deficient double perovskite oxides PrBaCo2O6−δ exhibit highly active hydrogen evolution reaction catalysis, which is associated with multiple factors: oxygen deficiency, high Co valence, and A-site cation ordering.
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A turn-off fluorescent probe for the detection of Cu2+ based on a tetraphenylethylene-functionalized salicylaldehyde Schiff-base

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Mater. Chem. Front., 2020, 4,1500-1506
DOI: 10.1039/C9QM00759H, Research Article
Hai-Fang Xie, Chang-Jin Yu, Ya-Li Huang, Hong Xu, Qi-Long Zhang, Xiao-Hong Sun, Xing Feng, Carl Redshaw
A tetraphenylethylene-functionalized salicylaldehyde Schiff-base fluorescent probe (TPE-An-Py) with aggregation-induced enhanced emission (AIEE) characteristics exhibited high sensitivity towards copper(II) ions in aqueous media with a “turn-off” fluorescence mechanism; limit of detection is 2.36 × 10−7 mol L−1.
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