de

Social media use spikes during pandemic

While usage of most mobile apps has remained neutral during the coronavirus pandemic, social media app usage has exploded during the lockdown, according to new data from Nielsen.

Why it matters: Prior to the pandemic, consumers and tech companies were both becoming more aware of the overuse of social media and actively trying to limit it. In a time when people can not connect with friends and family in person, companies have put these efforts on pause.

By the numbers: Prior to the pandemic, social media usage for most of January, February and early March remained relatively flat at around 20% of total mobile app usage, according to Nielsens data.

But beginning in mid-March, when statewide stay-at-home orders went into effect, social media app usage began to increase significantly, and now consumes around 25% of all mobile app usage for U.S. adults.

Other media app usage, like video, lifestyle, and finance apps have mostly remained the same, in part because consumers are now leveraging other devices, like desktops and television screens, for more activities while home.




de

Smart RSS Reader is a feed reader extension for Firefox and Chrome

Web based feed readers are kind of a pain to use. They often implement changes that you don't want, while taking away features that you like.  Local readers are much better when it comes to this, because you can revert to an older version in case of adverse changes.

Smart RSS Reader is a feed reader extension for Firefox and Chrome that I have been using for a week; I am quite impressed by it so far.

Install the add-on and click its toolbar icon to open a new tab with the extension's RSS reader. It has three panes, each of which has a toolbar at the top. The left pane is the feeds pane and lists all RSS feeds that you're subscribed too. Selecting a feed displays the title of the articles published by the site in the center pane. It also displays the author's name and the date when the article went live.




de

How to create a simple RSS feed reader on iOS

Apple has announced that Shortcuts, a powerful automation app for the iPhone and iPad, will come pre-installed on iOS devices starting this fall. This is great news because its an incredibly handy app — based on Workflow which Apple acquired in 2017 — that lets you combine multiple actions to perform a specific task.

What kind of things, you ask? Well, you can for example make it easier to open your favorite Apple Music playlist, find travel times to an address, create GIFs, and more. But one of its best uses in my opinion is use it as an RSS reader.




de

43 Covid-19 cases on Saturday, active count below 1000 in Andhra Pradesh




de

Bengal arranging special trains to bring back 30,000 stranded people: Official




de

'Inhuman' comments about Amit Shah's health 'extremely condemnable': JP Nadda




de

Facilitated return of thousands of stranded people, says Bengal govt

The West Bengal government on Saturday said it had brought back around 6,000 residents stranded outside the state and ensured safe return of people of other states stuck here due to the lockdown, virtually refuting the claims of non-cooperation made by Union Home Minister Amit Shah.




de

49ers investigating training camp sites outside California

The Cowboys still hope to hold training camp in Oxnard, California, this summer. The 49ers, Raiders, Chargers and Rams also are planning to have camp in California. But California was among the first states to entact stay-at-home orders and is expected to be among the last to allow large groups to convene. That means all [more]




de

Patriots sign draft picks Devin Asiasi and Michael Onwenu to contracts

The New England Patriots have been rapidly locking up their draft picks in the wake of the 2020 NFL Draft. They signed two more to contracts on Friday.




de

Why Ryan Pace believes in Trubisky despite declining fifth-year option

General manager Ryan Pace and the Bears have decided to decline a fifth-year option on Mitch Trubisky. However, Pace still believes in the quarterback.




de

Will Raiders rookie Bryan Edwards be a serviceable fantasy WR?

Yahoo Fantasy’s Liz Loza and NFL writer Eric Edholm provide their NFL player comparisons for the rookie wideout from South Carolina. Subscribe to the Yahoo Fantasy Football Podcast on Apple Podcasts, Spotify or wherever you get your podcasts.




de

NFL Network's Mike Robinson: Philadelphia Eagles should still be favored vs. Dallas Cowboys in NFC East

NFL Network's Mike Robinson believes the Philadelphia Eagles should still be favored vs. Dallas Cowboys in the NFC East.




de

Ravens sign third-rounder Tyre Phillips

The Ravens got another contract done with a 2020 draft pick on Friday. The team announced a deal with third-round offensive lineman Tyre Phillips. He's the seventh of their 10 draft picks to sign a four-year deal with the team this week. Phillips redshirted his first year at Mississippi State and served as a backup [more]




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NFL Network's Steve Smith Sr.: 'Pressure is still on' Seattle Seahawks to sign outside linebacker Jadeveon Clowney

NFL Network's Steve Smith Sr. believes pressure is still on Seattle Seahawks to sign outside linebacker Jadeveon Clowney.




de

Deshaun Watson: Bears NEVER ONCE talked to me before 2017 draft

It seems there isn't much we agree on these days, but one thing America is united on is this: The Bears blew it in 2017. Even Bears fans wouldn't argue that point. Chicago, of course, could have had Patrick Mahomes or Deshaun Watson and didn't have to trade up to No. 2 overall to get [more]




de

NFL schedule hints at determination to conduct Week One, then reassess

The NFL's regular-season schedule surprisingly opens with a bang. In a year during which the NFL could have loaded up the first weekend with so-so games and fans would have lapped it up like malnourished kittens, the league has instead loaded nine division games into Week One. From the banner raising in Kansas City featuring [more]




de

Texans' Deshaun Watson tweets about Bears' lack of interest during 2017 draft

Everything's totally fine!




de

Deshaun Watson says Bears 'never once' talked to him ahead of 2017 NFL draft

"The Bears NEVER ONCE talked to me..."




de

Report: Bears considering pursuit of Larry Warford

As expected, Larry Warford quickly has become a highly sought-after free agent. Hours after the Saints released the offensive guard, the Texans expressed interest. The Bears also are considering pursuing Warford, Brad Biggs of the Chicago Tribune reports. They might not have long to consider whether they're interested. The Bears signed Germain Ifedi, a first-round [more]




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2020 NFL Season: Despite offseason upgrades, Bears are Week 1 underdog vs. Lions

Believe it or not, Las Vegas experts favor the Lions over the Bears in Week 1 of the 2020 NFL season.




de

The controllable synthesis of substitutional and interstitial nitrogen-doped manganese dioxide: the effects of doping sites on enhancing the catalytic activity

J. Mater. Chem. A, 2020, 8,8383-8396
DOI: 10.1039/D0TA01346C, Paper
Taohong He, Xiaoshan Zeng, Shaopeng Rong
N atoms were selectively doped at substitutional or interstitial sites in the MnO2 lattice using N2 plasma. This research provides a site-selective N-doping method and a deep insight into the different effects of doping sites.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Two-step sequential blade-coating of high quality perovskite layers for efficient solar cells and modules

J. Mater. Chem. A, 2020, 8,8447-8454
DOI: 10.1039/D0TA02043E, Paper
Junwen Zhang, Tongle Bu, Jing Li, Hengyi Li, Yanping Mo, Zhengli Wu, Yifan Liu, Xiao-Li Zhang, Yi-Bing Cheng, Fuzhi Huang
A two-step sequential blade-coating process in air to fabricate high-efficiency perovskite solar cells and modules.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Vanadium nitride for aqueous supercapacitors: a topic review

J. Mater. Chem. A, 2020, 8,8218-8233
DOI: 10.1039/D0TA01490G, Review Article
Ying Liu, Qianghong Wu, Lingyang Liu, Pantrangi Manasa, Long Kang, Fen Ran
Supercapacitors have emerged as the most attractive complementary devices between batteries and conventional capacitors, while a high performance electrode material is key to their energy storage advancement.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

An analytical method to characterize the crystal structure of layered double hydroxides: synthesis, characterization, and electrochemical studies of zinc-based LDH nanoplates

J. Mater. Chem. A, 2020, 8,8692-8699
DOI: 10.1039/D0TA01774D, Paper
Jiyong Chung, Jaeyoung Lee, Jae Kyeom Kim, Minseong Kim, Kug-Seung Lee, Seung-Joo Kim, Min Hyung Lee, Taekyung Yu
Due to their unique soft and complex structure, it has been difficult to analyze the exact crystal structure of layered double hydroxides (LDHs), which has been a major obstacle to understanding and improving the catalytic properties of LDHs.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Phosphate ion and oxygen defect-modulated nickel cobaltite nanowires: a bifunctional cathode for flexible hybrid supercapacitors and microbial fuel cells

J. Mater. Chem. A, 2020, 8,8722-8730
DOI: 10.1039/D0TA01423K, Paper
Wenda Qiu, Quanhua Zhou, Hongbing Xiao, Chun Zhou, Wenting He, Yu Li, Xihong Lu
The exploration of efficient and cost-effective cathodes for flexible hybrid supercapacitors (HSCs) and microbial fuel cells (MFCs) is highly desirable but challenging.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Sodium phthalate as an anode material for sodium ion batteries: effect of the bridging carbonyl group

J. Mater. Chem. A, 2020, 8,8469-8475
DOI: 10.1039/D0TA01281E, Paper
Liang-Yu Wang, Chao Ma, Xiao Wei, Baobao Chang, Kai-Xue Wang, Jie-Sheng Chen
The bridging carbonyl group initiates the insertion of sodium ions and activates the ortho-carbonyl functional groups of sodium phthalate.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Rocking-chair capacitive deionization with flow-through electrodes

J. Mater. Chem. A, 2020, 8,8476-8484
DOI: 10.1039/C9TA14112J, Paper
Yong Liu, Xin Gao, Kai Wang, Xinyue Dou, Haiguang Zhu, Xun Yuan, Likun Pan
Flow-through Rocking-chair Capacitive Deionization system with ultrahigh desalination rate is built for the first-time, in which sodium-pre-intercalated MnO2 coated carbon nanofiber aerogels are employed as the flow-through electrode.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Large energy-storage density in transition-metal oxide modified NaNbO3–Bi(Mg0.5Ti0.5)O3 lead-free ceramics through regulating the antiferroelectric phase structure

J. Mater. Chem. A, 2020, 8,8352-8359
DOI: 10.1039/D0TA02285C, Paper
Ao Tian, Ruzhong Zuo, He Qi, Min Shi
The combination of AFE phase structural regulation and breakdown strength optimization through chemical modification leads to a large energy-storage density of Wrec ∼ 5.57 J cm−3 in NN–BMT lead-free bulk ceramics.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Robust FeOOH/BiVO4/Cu(In, Ga)Se2 tandem structure for solar-powered biocatalytic CO2 reduction

J. Mater. Chem. A, 2020, 8,8496-8502
DOI: 10.1039/D0TA02069A, Paper
Jinhyun Kim, Yang Woo Lee, Eun-Gyu Choi, Passarut Boonmongkolras, Byoung Wook Jeon, Hojin Lee, Seung Tae Kim, Su Keun Kuk, Yong Hwan Kim, Byungha Shin, Chan Beum Park
A robust, scalable FeOOH/BiVO4/Cu(In,Ga)Se2 tandem structure achieves unbiased, long-term photobiocatalytic conversion of CO2 to formate.
The content of this RSS Feed (c) The Royal Society of Chemistry




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An advanced three-dimensionally ordered macroporous NiCo2O4 spinel as a bifunctional electrocatalyst for rechargeable Zn–air batteries

J. Mater. Chem. A, 2020, 8,8554-8565
DOI: 10.1039/D0TA00874E, Paper
José Béjar, Lorena Álvarez-Contreras, Janet Ledesma-García, Noé Arjona, Luis Gerardo Arriaga
A rechargeable ZAB was assembled using a NiCo2O4 3DOM spinel displaying an open circuit potential of 1.44 V, a power density of 101 mW cm−2, and a high durability during charge/discharge cycling (being operated for 21 h).
The content of this RSS Feed (c) The Royal Society of Chemistry




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Oriented bacteriorhodopsin/polyaniline hybrid bio-nanofilms as photo-assisted electrodes for high performance supercapacitors

J. Mater. Chem. A, 2020, 8,8268-8272
DOI: 10.1039/D0TA02815K, Communication
Haijuan Li, Minmin Wang, Guohua Qi, Yong Xia, Chuanping Li, Ping Wang, Mordechai Sheves, Yongdong Jin
Bacteriorhodopsin was used to improve the capacitive performance of PANI supercapacitors by its proton pumping and photoelectric function.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Enhancing the operational stability of unencapsulated perovskite solar cells through Cu–Ag bilayer electrode incorporation

J. Mater. Chem. A, 2020, 8,8684-8691
DOI: 10.1039/D0TA01606C, Paper
Chieh-Ting Lin, Jonathan Ngiam, Bob Xu, Yu-Han Chang, Tian Du, Thomas J. Macdonald, James R. Durrant, Martyn A. McLachlan
Incorporation of bilayer electrodes (Cu:Ag) significantly reduces electrode corrosion and device degradation in perovskite solar cells operating in air. A symbiosis exists whereby Ag inhibits Cu oxidation and Cu prevents interfacial reactions between the perovskite (MAPbI3) and Ag.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Anderson polyoxometalate built-in covalent organic frameworks for enhancing catalytic performances

J. Mater. Chem. A, 2020, 8,8548-8553
DOI: 10.1039/D0TA02443K, Paper
Rui Ma, Naifang Liu, Ting-Ting Lin, Tianbo Zhao, Sheng-Li Huang, Guo-Yu Yang
Anderson polyoxometalate-based covalent organic frameworks exhibited the highest catalytic activity in the photodegradation of RhB and MB, as well as 100% selective oxidation of sulfides to sulfoxides.
The content of this RSS Feed (c) The Royal Society of Chemistry




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A series of highly stable porphyrinic metal–organic frameworks based on iron–oxo chain clusters: design, synthesis and biomimetic catalysis

J. Mater. Chem. A, 2020, 8,8376-8382
DOI: 10.1039/D0TA02033H, Paper
Gang Liu, Hao Cui, Sujuan Wang, Li Zhang, Cheng-Yong Su
A facile synthesis of a series of Fe–oxo chain-based porphyrinic MOFs (namely M-PMOF-3(Fe), M = Fe, Co, Ni, Cu) has been reported.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Identifying Raman modes of Sb2Se3 and their symmetries using angle-resolved polarised Raman spectra

J. Mater. Chem. A, 2020, 8,8337-8344
DOI: 10.1039/D0TA01783C, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Nicole Fleck, Theodore D. C. Hobson, Christopher N. Savory, John Buckeridge, Tim D. Veal, Maria R. Correia, David O. Scanlon, Ken Durose, Frank Jäckel
Vibrational symmetry assignments using Raman spectroscopy and density functional theory on oriented crystals also enabling orientation optimisation of thin films.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Evidence of phase coexistence in hydrothermally synthesized K0.5Na0.5NbO3 nanofibers

J. Mater. Chem. A, 2020, 8,8731-8739
DOI: 10.1039/C9TA14153G, Paper
Mohammad B. Ghasemian, Aditya Rawal, Zahra Shahrbabaki, Qi Zhang, Teng Lu, Yun Liu, Danyang Wang
The 2D 23Na 3QMAS NMR analyses provide new insights into the crystalline structure of K0.5Na0.5NbO3 nanostructures on the microscopic scale, which are critical to understand the functional properties of these nano-materials.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Synthesis of metal-free lightweight materials with sequence-encoded properties

J. Mater. Chem. A, 2020, 8,8752-8760
DOI: 10.1039/D0TA03162C, Paper
Adi Azoulay, Jesús Barrio, Jonathan Tzadikov, Michael Volokh, Josep Albero, Christel Gervais, Pilar Amo-Ochoa, Hermenegildo García, Félix Zamora, Menny Shalom
A general synthesis of phosphorus–nitrogen–carbon materials with highly tunable elemental composition and spatial organization as well as structural, electronic, and thermal stability properties is reported.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Understanding the mechanism of byproduct formation with in operando synchrotron techniques and its effects on the electrochemical performance of VO2(B) nanoflakes in aqueous rechargeable zinc batteries

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA00858C, Paper
Qiang Pang, Hainan Zhao, Ruqian Lian, Qiang Fu, Yingjin Wei, Angelina Sarapulova, Junqi Sun, Chunzhong Wang, Gang Chen, Helmut Ehrenberg
The byproduct protects the vanadium-based positive electrode of ARZBs and facilitates Zn2+ insertion into the electrode.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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A universal cross-linking binding polymer composite for ultrahigh-loading Li-ion battery electrodes

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA00714E, Paper
Dong Wang, Qian Zhang, Jie Liu, Erying Zhao, Zhenwei Li, Yu Yang, Ziyang Guo, Lei Wang, Shanqing Zhang
A general, facile-operability, and sustainable strategy to achieve ultrahigh-loading electrodes has been proposed that is simply replacing the traditional PVDF binder with an eco-friendly and robust c-PAA-XG binder with a high-efficiency damper.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

A disorder-free conformation boosts phonon and charge transfer in an electron-deficient-core-based non-fullerene acceptor

J. Mater. Chem. A, 2020, 8,8566-8574
DOI: 10.1039/D0TA01260B, Paper
Chujun Zhang, Jun Yuan, Ka Lok Chiu, Hang Yin, Weifang Liu, Guanhaojie Zheng, Johnny Ka Wai Ho, Suzhen Huang, Gaoxing Yu, Feng Gao, Yingping Zou, Shu Kong So
A disorder-free molecular conformation caused by alkyl side chains facilitates electron transport, heat transfer and reduces electronic disorder.
The content of this RSS Feed (c) The Royal Society of Chemistry




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The highly efficient collection of underwater oil droplets on an anisotropic porous cone surface via an electric field

J. Mater. Chem. A, 2020, 8,8605-8611
DOI: 10.1039/D0TA02055A, Paper
Yufeng Yan, Qiuya Zhang, Yan Li, Zhenyan Guo, Dongliang Tian, Xiaofang Zhang, Lei Jiang
The highly efficient collection of underwater oil droplets on an anisotropic porous cone surface via an electric field was demonstrated.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Decoupled electrolytes towards enhanced energy and high temperature performance of thermally regenerative ammonia batteries

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA03236K, Paper
Weiguang Wang, Gequn Shu, Xiuping Zhu, Hua Tian
An electrolyte decoupling strategy is proposed for ammonia batteries to restrain the self-discharge and enhance energy density as well as power generation at high temperatures.
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The content of this RSS Feed (c) The Royal Society of Chemistry




de

Hexagonal boron nitride induces anion trapping in a polyethylene oxide based solid polymer electrolyte for lithium dendrite inhibition

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA03677C, Paper
Yuhan Li, Libo Zhang, Zongjie Sun, Guoxin Gao, Shiyao Lu, Min Zhu, Yanfeng Zhang, Zhiyu Jia, Chunhui Xiao, Huaitian Bu, Kai Xi, Shujiang Ding
Lithium ion conductivity and mechanical strength of a PEO based composite solid polymer electrolyte are improved by adding h-BN.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Co-gel strategy for preparing hierarchically porous silica/polyimide nanocomposite aerogel with thermal insulation and flame retardancy

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/C9TA13011J, Paper
Xinhai Zhang, Xingxing Ni, Chenxi Li, Bo You, Gang Sun
Co-gel strategy for preparing hierarchically porous silica/polyimide aerogel with low density, high specific modulus, hydrophobicity, flame retardancy, and thermal insulation.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Optical in-situ monitoring during the synthesis of halide perovskite solar cells reveals formation kinetics and evolution of optoelectronic properties

J. Mater. Chem. A, 2020, Accepted Manuscript
DOI: 10.1039/D0TA01237H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Klara Suchan, Justus Just, Pascal Becker, Eva Lisa Unger, Thomas Unold
The formation mechanism and the evolution of optoelectronic properties during annealing of chlorine-derived methylammonium lead iodide (MAPbI3-xClx) is investigated in detail combining in-situ und ex-situ optical and structural characterization. Using...
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Reversible changes in the electronic structure of carbon nanotube-hybrids upon NO2 exposure under ambient conditions

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA02749A, Paper
Open Access
Filippo Fedi, Oleg Domanov, Hidetsugu Shiozawa, Kazuhiro Yanagi, Paolo Lacovig, Silvano Lizzit, Andrea Goldoni, Thomas Pichler, Paola Ayala
Single-walled carbon nanotubes have enormous potential for gas sensing. This study shows that cluster filling is a key to high sensitivity and it opens the possibility for a very high desorption at ambient temperature.
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The content of this RSS Feed (c) The Royal Society of Chemistry




de

A smart lithiophilic polymer filler in gel polymer electrolyte enables stable and dendrite-free Li metal anode

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA02499F, Paper
Fei Ye, Xiu Zhang, Kaiming Liao, Qian Lu, Xiaohong Zou, Ran Ran, Wei Zhou, Yijun Zhong, Zongping Shao
A new conceptional lithiophilic polymer-filler-reinforced gel polymer electrolyte was proposed and prepared to guide uniform Li-ion flux during the Li plating/stripping process.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




de

Hydrogen generation from toxic formaldehyde catalyzed by low-cost Pd–Sn alloys driven by visible light

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA02833A, Paper
Hongxia Liu, Meng Wang, Jiantai Ma, Gongxuan Lu
New high active low-cost Pd-Sn alloy catalyst for hydrogen evolution from toxic formaldehyde driven by visible light was developed via alloying of Pd with abundance element Sn.
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The content of this RSS Feed (c) The Royal Society of Chemistry




de

Effect of the interfacial protective layer on the NaFe0.5Ni0.5O2 cathode for rechargeable sodium-ion batteries

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA02837A, Paper
Iqra Moeez, Dieky Susanto, Ghulam Ali, Hun-Gi Jung, Hee-Dae Lim, Kyung Yoon Chung
Ni-based cathode materials have received significant attentions as the advanced electrode materials for NIBs. However, they suffered from the rapid capacity fading due to the side reactions mainly occurring at cathode-electrolyte interphase (CEI).
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de

Formation of Ga double grading in submicron Cu(In,Ga)Se2 solar cells by pre-depositing a CuGaSe2 layer

J. Mater. Chem. A, 2020, Advance Article
DOI: 10.1039/D0TA02710C, Paper
Yifan Kong, Jianmin Li, Zengyang Ma, Zheng Chi, Xudong Xiao
By introducing a pre-deposited CuGaSe2 layer, a steep Ga back grading has been formed in a submicron CIGS layer with a high-temperature process for the first time.
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