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Leadership Lifelines: Prayer, Fasting, and Flexibility

How discipline and commitment prove essential in your leadership ministry.

Andy Stanley said, “Leadership is stewardship, and you are accountable,” while speaking to a group of leaders at Catalyst Atlanta in 2006. This quote absolutely resonated with me, because we can forget that as leaders we are responsible for our own leadership. Not only are we accountable to ourselves and those we lead, but most importantly we are accountable to the God that called us to lead.

Leadership in its most basic definition is the action or ability to lead a group or organization. Having been in leadership in education, business, the nonprofit sector, and ministry, I know all too well the truth of this statement. You are only a leader if someone is following you, so we need to give attention to how we lead, the impact of our leadership, and the health of our leadership.

Leading effectively requires discipline, and I have learned I am most effective when I discipline myself. As a leader, I have found three disciplines that help me lead well and avoid leadership pitfalls and burnout. I have used these in every area I have been called to lead. These lifelines have proven viable, having saved my life and the lives entrusted to me. Through the lifelines of prayer, fasting, and flexibility, my leadership has been enhanced in multiple ways. Albeit, prayer, fasting, and flexibility are disciplines, I consider them lifelines because of the life-giving power they have provided.

The lifeline of prayer

We know the power in prayer. We can perform a historical analysis of scripture and see many of the leaders God used were given to prayer. Prayer is what brings our will into alignment with God’s will. Whether God calls us to lead in church or the marketplace, our prayer lives are essential to our success as leaders. ...

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Martin Sorrell's exit from the Ad industry sets off questions about future

Sorrell's exit would have been a big deal at any point, but the manner of his departure has amplified the attention




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Structure evolution of electrochromic devices from 'face-to-face' to 'shoulder-by-shoulder'

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01132K, Paper
Xiufeng Tang, Guoxin Chen, Zhixin Li, Hua Li, Zehui Zhang, Qinghao Zhang, Zhijun Ou, Yongxian Li, Chengjian Qi, Jianyi Luo
A traditional electrochromic device contains at least five functional layers, where the electrochromic film exactly faces the counter electrode with matching size and color. This face-to-face structure is cumbersome for...
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Quantitative Understanding of the Ultra-Sensitive and Selective Detection of Dopamine using Graphene Oxide/WS2 Quantum Dot Hybrid

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01074J, Paper
Ruma Das, Abhilasha Bora, Pravat K. Giri
Herein, we report on the ultra-high sensitive and selective detection of dopamine (DA) at pico-molar level by a low cost sensing platform based on graphene oxide (GO) sheets anchored with...
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Tuning Ambipolarity in a Polymer Field Effect Transistor using Graphene electrodes

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01452D, Paper
Kaushik Bairagi, Sara Catalano, Francesco Calavalle, Elisabetta Zuccatti, Roger Llopis, Felix Casanova, Luis E. Hueso
Polymer field-effect transistors with 2D graphene electrodes are devices that merge the best of two worlds: on the one hand, the low-cost and processability of organic materials and, on the...
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Electro-forming-free Mechanism for Cu2O Solid-electrolyte Based Conductive-bridge Random Access Memory (CBRAM)

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01325K, Paper
Ki-Hyun Kwon, Dong Won Kim, Hea-Jee Kim, SooMin Jin, Dae Seong Woo, Sang-Hong Park, Jea-Gun Park
In a CuxO solid-electrolyte-based CBRAM cell using a Ag top electrode, electro-forming-free and electro-reset processes could be achieved at a specific ex-situ annealing temperature of the solid electrolyte (i.e., 250...
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Activation of carbon tow electrodes for use in iron aqueous redox systems for electrochemical applications

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC00594K, Paper
Philipp Schröder, Noemí Aguiló-Aguayo, Andrea Auer, Christoph Griesser, Julia Kunze-Liebhäuser, Yibo Ma, Michael Hummel, Dagmar Obendorf, Thomas Bechtold
Excellent chemical inertness, good conductivity and high overpotentials for water electrolysis make carbon fibres (CFs) an ideal electrode material for electrochemical applications. A customized design of three-dimensional (3D) carbon electrodes...
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All-inorganic 0D/3D Cs4Pb(IBr)6/CsPbI3-xBrx Mixed-dimensional Perovskite Solar Cells with Enhanced Efficiency and Stability

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01832E, Paper
Zhenzhen Li, Xiaolong Liu, Jia Xu, Shujie Yang, Hang Zhao, Hui Huang, Shengzhong Liu, Jianxi Yao
The inorganic halide perovskite CsPbI3 has shown great promise in efficient solar cells. However, the α-phase CsPbI3 is thermodynamically unstable at room temperature, limiting its applications. Herein, we have successfully...
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Compact and ultrathin multi-element oxide films grown by temperature-controlled deposition and their surface-potential based transistor theoretical simulation model

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00506A, Paper
Jiahui Liu, Zunxian Yang, Shimin Lin, Kang Zheng, Yuliang Ye, Bingqing Ye, Zhipeng Gong, Yinglin Qiu, Lei Xu, Tailiang Guo, Sheng Xu
Thin IMZO films were synthesized by a temperature controlled approach and applied to TFTs with good performance. The modification factor of voltage was introduced to simulate the electrical characteristics of devices.
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A hybridized local and charge transfer excited state for solution-processed non-doped green electroluminescence based on oligo(p-phenyleneethynylene)

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01266A, Paper
Hakan Usta, Dilek Alimli, Resul Ozdemir, Emine Tekin, Fahri Alkan, Rifat Kacar, Ahu Galen Altas, Salih Dabak, Ayşe Gül Gürek, Evren Mutlugun, Ahmet Faruk Yazici, Ayse Can
A novel oligo(p-phenyleneethynylene)-based hot-exciton molecule with hybridized local and charge transfer (HLCT) excited states was developed to yield high radiative exciton yields in OLEDs.
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Structure-property trends in a hollandite multiferroic by Fe doping: structural, magnetic and dielectric characterization of nanocrystalline BaMn3-xFexTi4O14+δ

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC00703J, Paper
Frederick Pearsall, Nasim Farahmand, Julien Lombardi, Sunil Dehipawala, Zheng Gai, Stephen O'Brien
BaMn3Ti4O14+δ (δ = 0.25, BMT-134), a recently discovered single-phase multiferroic complex oxide was doped with varying concentrations of Fe in order to assess the effect on magnetic and dielectric behavior....
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Effects of alkyl chain length and anion on the optical and electrochemical properties of AIE-active α-cyanostilbene-containing triphenylamine derivatives

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00683A, Paper
Sin-Yu Chen, Min-Hao Pai, Guey-Sheng Liou
A series of AIE-active and redox-active α-cyanostilbene-containing triphenylamine derivatives with different alkyl chain lengths and anions were successfully synthesized, and their optical, photoluminescent and electrochromic behaviors were investigated.
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Dependence of electromagnetic interference shielding ability of conductive polymer composite foams with hydrophobic properties on cellular structure

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00987C, Paper
Biao Zhao, Ruoming Wang, Yang Li, Yumei Ren, Xiao Li, Xiaoqin Guo, Rui Zhang, Chul B. Park
The introduction of a cellular structure in conductive polymer composites is supposed to be an effective way to ameliorate the electromagnetic interference (EMI) shielding properties.
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All-covalently-implanted FETs with ultrahigh solvent resistibility and exceptional electrical stability, and their applications for liver cancer biomarker detection

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01385D, Paper
Congcong Zhang, Shanshan Cheng, Ke Si, Nannan Wang, Yong Wang, Penglei Chen, Huanli Dong, Wenping Hu
All covalent FETs of covalently-rooted source/drain electrodes and semiconductor layers are launched. The FETs exhibit ultrahigh solvent resistibility, exceptional electrical stability, and ultralong shelf life, facilitating their further treatments.
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Design and development of HMS@ZIF-8/fluorinated polybenzoxazole composite films with excellent low-k performance, mechanical properties and thermal stability

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00124D, Paper
Xudong Zhou, Xiaoyun Liu, Zhongkai Cui, Jinlou Gu, Shaoliang Lin, Qixin Zhuang
A new-type of hollow silica@ZIF-8 (HMS@ZIF-8) particle was successfully designed, fabricated and introduced into the fluorinated polybenzoxazole (6FPBO) matrix to prepare the HMS@ZIF-8/6FPBO composite film.
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Simultaneous enhancement of thermoelectric and mechanical performance for SnTe by nano SiC compositing

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00572J, Paper
Teng Wang, Hongchao Wang, Wenbin Su, Jinze Zhai, Galina Yakovleva, Xue Wang, Tingting Chen, Anatoly Romanenko, Chunlei Wang
SiC is firstly introduced into SnTe. The created lattice mismatch and interfaces via hand milling are responsible for the enhanced zT, which is comparable with doped samples. Besides, the hardness of samples is got improved with SiC compositing.
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A study on the effect of a pyridine secondary acceptor on the emission properties of thermally activated delayed fluorescence emitters

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00318B, Paper
Sung Joon Yoon, Ho Jung Lee, Kyung Hyung Lee, Jun Yeob Lee
A new molecular design of thermally activated delayed fluorescence (TADF) emitters having a pyridine derived secondary acceptor was developed.
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Synthesis of [7]phenacene incorporating tetradecyl chains in the axis positions and its application in field-effect transistors

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00272K, Paper
Hideki Okamoto, Shino Hamao, Keiko Kozasa, Yanan Wang, Yoshihiro Kubozono, Yong-He Pan, Yu-Hsiang Yen, Germar Hoffmann, Fumito Tani, Kenta Goto
Ditetradecyl-substituted [7]phenacene was prepared and applied in thin-film FET devices, displaying higher mobility compared to parent [7]phenacene.
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Origin of aggregation-induced enhanced emission: role of pseudo-degenerate electronic states of excimers formed in aggregation phases

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/C9TC07067B, Paper
Wataru Ota, Ken Takahashi, Kenji Higashiguchi, Kenji Matsuda, Tohru Sato
The origin of aggregation-induced enhanced emission (AIEE) is investigated considering cyano-substituted 1,2-bis(pyridylphenyl)ethene (CNPPE) as an example.
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A novel design of donor–acceptor polymer semiconductors for printed electronics: application to transistors and gas sensors

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01341B, Paper
Hyung Jin Cheon, Xinlin Li, Yong Jin Jeong, Min Jae Sung, Zhijun Li, Inha Jeon, Xiaowu Tang, Henok Getachew Girma, Hoyoul Kong, Soon-Ki Kwon, Tae Kyu An, Se Hyun Kim, Yun-Hi Kim
This work reports the molecular engineering of polymeric semiconductors to get highly soluble inks, which enables the uniform deposition of semiconductors and contributes to high-performance transistor and sensor devices.
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Asymmetric organic semiconductors for high performance single crystalline field-effect transistors with low activation energy

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01122C, Communication
Fei Qiu, Yicai Dong, Jie Liu, Yanan Sun, Hua Geng, Hantang Zhang, Danlei Zhu, Xiaosong Shi, Jianghong Liu, Jing Zhang, Shiyun Ai, Lang Jiang
We synthesized three asymmetric anthracene derivatives, in which 2-phvA shows a high field-effect mobility of 10 cm2 V−1 s−1. This work demonstrates the potential advantages of asymmetric structures for high-performance organic semiconductors.
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Loss-favored ultrasensitive refractive index sensor based on directional scattering from a single all-dielectric nanosphere

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC00899K, Communication
Churong Ma, Ying Liu, Feng Zhao, Feng Xu, Jiahao Yan, Xiangping Li, Bai-Ou Guan, Guowei Yang, Kai Chen
An ultrasensitive refractive index sensor based on a lossy all-dielectric nanosphere.
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Electric-controlled half-metallicity in magnetic van der Waals heterobilayer

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01541E, Paper
Cheng Tang, Lei Zhang, Stefano Sanvito, Aijun Du
Electric-field controlled half-metallic transport in CrI3–CrGeTe3 heterobilayers for spintronic applications.
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Azobenzene-functionalized graphene nanoribbons: bottom-up synthesis, photoisomerization behaviour and self-assembled structures

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01609H, Paper
Zhichun Shangguan, Chunyang Yu, Chen Li, Xianhui Huang, Yiyong Mai, Tao Li
We show the strategy of introducing azobenzene groups into graphene nanoribbons (GNRs), which not only endows GNRs with fast photo-responsiveness but also induces the self-assembly of the GNRs into ultra-long nanowires.
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Seeking optimized transformer oil-based nanofluids by investigation of the modification mechanism of nano-dielectrics

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01521K, Paper
Fan Xu, Hongxia Wang, Shuaiqi Xing, Ming Tang, Huijuan Zhang, Yu Wang
The modification mechanism of nano-additives on the electrical properties of transformer oil-based nanofluids has systematically been studied from a micro-perspective.
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Hierarchical CoxAly layered double hydroxides@carbon composites derived from the metal-organic framework with efficient broadband electromagnetic wave absorption

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC00622J, Paper
Bo Wen, Haibo Yang, Lei Wang, Yun Qiu
Porous carbon-based composites have attracted extensive attention because of their good performance. However, designing and synthesizing porous carbon-based composites with excellent electromagnetic wave attenuation capability is still a great challenge....
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Photoluminescence detection of symmetry transformations in low-dimensional ferroelectric ABO3 perovskites

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01183E, Paper
Tochukwu Ofoegbuna, Khashayar R. Bajgiran, Orhan Kizilkaya, Stuart A. J. Thomson, Adam T. Melvin, James A. Dorman
Photoluminescence detection of symmetry transformations in low-dimensional ABO3 perovskites.
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Intersystem Crossing via Charge Recombination in a Perylene-Naphthalimide Compact Electron Donor/Acceptor Dyad

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC00017E, Paper
MUHAMMAD IMRAN, Ahmed Elzohry, Clemens Matt, Maria Taddei, Sandra Doria, Laura Bussotti, Paolo FOGGI, Jianzhang Zhao, Mariangela Di Donato, Omar F. Mohammed, Stefan Weber
In order to study the relationship between the molecular structures of compact electron donor/acceptor dyads and the spin orbit charge transfer intersystem crossing (SOCT-ISC) efficiency, we prepared perylene (Pery)-naphthalimide (NI)...
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Efficiency enhancement in inverted organic light-emitting device with TiO2 electron injection layer through interfacial engineering

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01040E, Paper
Chunxiu Zang, Hui Wang, Shihao Liu, Wenbin Guo, Letian Zhang, Wenfa Xie
TiO2 is widely used in optoelectronic device especially organic solar cells due to the excellent optical and electrical properties. While its application in organic light-emitting devices (OLEDs) as electron injection...
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Suppression of the morphology mismatch in Graphene/ n-type Organic Semiconductor interfaces: a Scanning Kelvin Probe Force Microscopy investigation

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01099E, Paper
Federico Chianese, Fabio Chiarella, Mario Barra, Andrea Candini, Marco Affronte, Antonio Cassinese
Contact resistance effects in n-type organic field-effect transistors (OFET) based on perylene-diimide thin films and monolayer CVD graphene electrodes have been investigated by Scanning Kelvin Probe Force Microscopy (SKPFM). SKPFM...
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Relaxor/antiferroelectric composites: a solution to achieve high energy storage performance in lead-free dielectric ceramics

J. Mater. Chem. C, 2020, 8,5681-5691
DOI: 10.1039/D0TC00589D, Paper
Pengyuan Fan, Shan-Tao Zhang, Jiwen Xu, Jiadong Zang, Chanatip Samart, Ting Zhang, Hua Tan, David Salamon, Haibo Zhang, Gang Liu
Compared with the relaxor with pinched PE loops, the relaxor/antiferroelectric (RE/AFE) composites have narrower and oblique curves, proving the design of RE/AFE is an effective method to improve the energy storage properties of dielectric ceramics.
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A flexible semitransparent dual-electrode hydrogel based triboelectric nanogenerator with tough interfacial bonding and high energy output

J. Mater. Chem. C, 2020, 8,5752-5760
DOI: 10.1039/C9TC06937B, Paper
Xin Jing, Heng Li, Hao-Yang Mi, Pei-Yong Feng, Xiaoming Tao, Yuejun Liu, Chuntai Liu, Changyu Shen
A flexible semitransparent dual-electrode hydrogel based TENG with tough interfacial bonding and high output was developed.
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Temperature-responsive conversion of thermally activated delayed fluorescence and room-temperature phosphorescence of carbon dots in silica

J. Mater. Chem. C, 2020, 8,5744-5751
DOI: 10.1039/D0TC00507J, Paper
Yuqiong Sun, Jinkun Liu, Xiaoliang Pang, Xuejie Zhang, Jianle Zhuang, Haoran Zhang, Chaofan Hu, Mingtao Zheng, Bingfu Lei, Yingliang Liu
The unique temperature-responsive afterglow characteristics of CDs was reported for the first time, which can meet multiple potential applications in rapid fingerprint detection, temperature sensing, and advanced temperature-responsive anti-counterfeiting and encryption.
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All-organic flexible fabric antenna for wearable electronics

J. Mater. Chem. C, 2020, 8,5662-5667
DOI: 10.1039/D0TC00691B, Communication
Zongze Li, Sneh K. Sinha, Gregory M. Treich, Yifei Wang, Qiuwei Yang, Ajinkya A. Deshmukh, Gregory A. Sotzing, Yang Cao
An all-organic fabric patch antenna is realized with the help of nanotemplates-assisted PEDOT:PSS conductive phase segregation, paving a new way for clothing integrated wearable electronic networks.
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Highly-improved performance of inverted planar perovskite solar cells by glucose modification

J. Mater. Chem. C, 2020, 8,5894-5903
DOI: 10.1039/D0TC00365D, Paper
Yunxin Zhang, Siqi Chen, Hao Chen, Guodong Zhang, Min Zhao, Chengjie Zhao, Wenfei Guo, Wenjie Ji, Zhiqiang Shi, Tonggang Jiu
Glucose is introduced for the preparation of high-quality MAPbI3 perovskite film, boosting the device efficiency to 20.15% with suppressed hysteresis.
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Small-molecular iridium complex based organic solar cells with improved photovoltaic performance through device optimization

J. Mater. Chem. C, 2020, 8,5761-5768
DOI: 10.1039/D0TC00779J, Paper
Tianjian Yang, Xuyu Gao, Yinming He, Huabin Wang, Youtian Tao
An optimized device with a PDCBT/TBzIr:PC71BM structure was fabricated to increase the power conversion efficiencies of iridium complex-based organic solar cells from 3.91% to 6.17%.
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Prediction of high carrier mobility for a novel two-dimensional semiconductor of BC6N: first principles calculations

J. Mater. Chem. C, 2020, 8,5882-5893
DOI: 10.1039/D0TC00549E, Paper
Li-Bin Shi, Mei Yang, Shuo Cao, Qi You, Ya-Jing Zhang, Meng Qi, Kai-Cheng Zhang, Ping Qian
First principles calculations are performed to predict phonon-limited carrier mobility for a novel graphene-like semiconductor with BC6N stoichiometry.
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Plasmonic enhancement of photocurrent generation in a photosystem I-based hybrid electrode

J. Mater. Chem. C, 2020, 8,5807-5814
DOI: 10.1039/C9TC06983F, Paper
Marcin Szalkowski, Ersan Harputlu, Małgorzata Kiliszek, C. Gokhan Unlu, Sebastian Maćkowski, Kasim Ocakoglu, Joanna Kargul, Dorota Kowalska
We demonstrate that oriented assembly of red algal photosystem I reaction centers on a plasmonically active Silver Island Film leads to strong enhancement of both photocurrent and fluorescence intensity.
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Enhanced dielectric performance in flexible MWCNT/poly(vinylidene fluoride-co-hexafluoropropene)-based nanocomposites by designing a tri-layered structure

J. Mater. Chem. C, 2020, 8,5950-5957
DOI: 10.1039/D0TC00148A, Paper
Jie Chen, Yifei Wang, Jiufeng Dong, Yujuan Niu, Weixing Chen, Hong Wang
Tri-layered films are capable of excellent capacitive stability over straight bending (i.e. 20 000 cycles) and winding (i.e. 120 hours) tests.
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Improved microwave absorption performance of a multi-dimensional Fe2O3/CNTCM@CN assembly achieved by enhanced dielectric relaxation

J. Mater. Chem. C, 2020, 8,5715-5726
DOI: 10.1039/D0TC00941E, Paper
Xuefeng Yu, Ying Zhang, Lei Wang, Linshen Xing, Wenbin You, Jiwei Liu, Guanyu Chen, Guangzhou Ding, Jingjun Ding, Xianhu Liu, Min Wang, Renchao Che
The novel multi-dimensional hollow Fe2O3/CNTCM@CN-2 hybrid microspheres fabricated by the forcible assembly of 0D nanoparticles, 1D CNTs, and 2D N-doped carbon layers are favorable for achieving superior microwave absorption performance.
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Reversible transition of filamentary and ferroelectric resistive switching in BaTiO3/SmNiO3 heterostructures

J. Mater. Chem. C, 2020, 8,5815-5820
DOI: 10.1039/D0TC00676A, Paper
Yan-Dong Liu, Chuan-Zhu Hu, Jin-Jin Wang, Ni Zhong, Ping-Hua Xiang, Chun-Gang Duan
We report a reversible transition between filamentary and ferroelectric resistive switching in BaTiO3/SmNiO3 heterostructures.
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Insights into energy transfer pathways between the exciplex host and fluorescent guest: attaining highly efficient 710 nm electroluminescence

J. Mater. Chem. C, 2020, 8,5704-5714
DOI: 10.1039/D0TC00986E, Paper
Chun-Ying Huang, Ssu-Yu Ho, Chien-Hsun Lai, Chang-Lun Ko, Yu-Chen Wei, Jia-An Lin, Deng-Gao Chen, Tzu-Yu Ko, Ken-Tsung Wong, Zhiyun Zhang, Wen-Yi Hung, Pi-Tai Chou
Insight has been gained into the energy transfer pathways between the exciplex host and NIR fluorescence chromophores.
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Theoretical studies on full-color thermally activated delayed fluorescence molecules

J. Mater. Chem. C, 2020, 8,5839-5846
DOI: 10.1039/D0TC00279H, Paper
Lei Liu, Qi Wei, Yajuan Cheng, Huili Ma, Shiyun Xiong, Xiaohong Zhang
This work provides a detailed mechanism for exciton dynamics in D–π–A–π–D TADF molecules and strategies for further efficiency improvement.
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Benzonitrile and dicyanocarbazole derived electron transport type host materials for improved device lifetime in blue thermally activated delayed fluorescent organic light-emitting diodes

J. Mater. Chem. C, 2020, 8,5832-5838
DOI: 10.1039/C9TC06978J, Paper
Sung Yong Byeon, Kyung Hyung Lee, Jun Yeob Lee
The electron transport host materials derived from dibenzofuran, benzonitrile and dicyanocarbazole units showed high triplet energy above 3.0 eV, high efficiency over 20% and 31 h lifetime up to 75% of initial luminance at 500 cd m−2.
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Designing hierarchical structures of complex electronically conducting organic polymers via one-step electro-polymerization

J. Mater. Chem. C, 2020, 8,5934-5940
DOI: 10.1039/C9TC06945C, Paper
Tharindu A. Ranathunge, Duong T. Ngo, Dilan Karunarathilaka, Nuwan H. Attanayake, Indika Chandrasiri, Phillip Brogdon, Jared H. Delcamp, R. M. Gamini Rajapakse, Davita L. Watkins
Using electro-copolymerization as a versatile tool in synthesizing alternating and block copolymers, we have designed conjugation polymers with unique optical properties and excellent conductivities in comparison to conventional conjugated polymers.
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Effects of antiferroelectric substitution on the structure and ferroelectric properties of a complex perovskite solid solution

J. Mater. Chem. C, 2020, 8,5795-5806
DOI: 10.1039/C9TC05084A, Paper
Zenghui Liu, Yi Yuan, Zeng Luo, Hongyan Wan, Pan Gao, Hua Wu, Jian Zhuang, Jie Zhang, Nan Zhang, Hongzhong Liu, Wei Ren, Zuo-Guang Ye
Novel ferro-/piezoelectric solid solutions between bismuth-based perovskite and antiferroelectric material are designed and synthesized and their crystal structure, phase transitions, ferro-/piezoelectric properties and local polar structure are investigated.
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Waterproof perovskites: high fluorescence quantum yield and stability from a methylammonium lead bromide/formate mixture in water

J. Mater. Chem. C, 2020, 8,5873-5881
DOI: 10.1039/D0TC00383B, Paper
Yeasin Khan, Yohan Ahn, Hyuna Lee, Jaeki Jeong, Yun Seop Shin, Je Seung Lee, Jang Hyuk Kwon, Jin Young Kim, Hoon Sik Kim, Jung Hwa Seo, Bright Walker
We’ve observed intense, water-stable fluorescence from lead formate crystals when they are precipitated from a CH3NH3PbBr3 (MAPbBr3) perovskite precursor solution.
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el

Anisothermal densification kinetics of the cold sintering process below 150 °C

J. Mater. Chem. C, 2020, 8,5668-5672
DOI: 10.1039/D0TC00395F, Communication
Sun Hwi Bang, Arnaud Ndayishimiye, Clive A. Randall
Cold sintering is an emerging non-equilibrium process methodology that densifies ceramic powder at significantly reduced temperature and time, and its sintering kinetics can be identified by controlling four densification process variables.
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el

Ferroelectricity of trimethylammonium bromide below room temperature

J. Mater. Chem. C, 2020, 8,5868-5872
DOI: 10.1039/C9TC07019B, Paper
Zhangran Gao, Yuying Wu, Zheng Tang, Xiaofan Sun, Zixin Yang, Hong-Ling Cai, X. S. Wu
Ferroelectricity of trimethylammonium bromide was discovered near room temperature, which undergoes a first-order paraelectric–ferroelectric phase transition at the Curie temperature around 286 K.
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el

Multi-shelled upconversion nanostructures with enhanced photoluminescence intensity via successive epitaxial layer-by-layer formation (SELF) strategy for high-level anticounterfeiting

J. Mater. Chem. C, 2020, 8,5692-5703
DOI: 10.1039/D0TC00902D, Paper
Andrew J. Evangelista, Mariia Ivanchenko, Alline F. Myers, Lisa N. McAnulty, Gillian K. M. Payne, Hao Jing
Multi-shelled upconversion nanoparticles with significantly enhanced emission intensity are synthesized via successive epitaxial layer-by-layer formation (SELF) strategy and used in dual-modal anticounterfeiting and latent fingerprint detection.
The content of this RSS Feed (c) The Royal Society of Chemistry