Results 81 to 90 of about 25,037 (299)

Oxo dicopper anchored on carbon nitride for selective oxidation of methane

Nature Communications, 2022
Selective conversion of methane into value-added chemicals is a promising approach for utilization of hydrocarbon sources. Here the authors develop dimeric copper centers supported on graphitic carbon nitride (denoted as Cu2@C3N4) with >10% conversion ...
Pengfei Xie, Jing Ding, Zihao Yao, Tiancheng Pu, Peng Zhang, Zhennan Huang, Canhui Wang, Junlei Zhang, Noah Zecher-Freeman, Han Zong, Dashui Yuan, Shengwei Deng, Reza Shahbazian-Yassar, Chao Wang   +13 more
doaj   +1 more source

Powder‐to‐Film Conversion of Nickel Single‐Atom Catalysts into Binder‐Free and Resistant Electrodes

Advanced Materials Interfaces, EarlyView.
A reproducible strategy is reported for fabricating standalone thin‐film electrodes composed of CNx‐supported Ni single‐atom catalysts. The resulting binder‐free electrodes exhibit robust stability, enhanced charge transfer, and superior electrochemical performance, offering scalable opportunities for applications in electrochemistry. ABSTRACT Although
Milla Vigliengo, Nicolò Allasia, Shuting Xiang, Yurii P. Ivanov, Riccardo Gulminelli, Martin Sterrer, Giorgio Divitini, Anatoly I. Frenkel, Gianvito Vilé   +8 more
wiley   +1 more source

Growth and properties of few-layer graphene prepared by chemical vapor deposition

, 2009
The structure, and electrical, mechanical and optical properties of few-layer graphene (FLG) synthesized by chemical vapor deposition (CVD) on a Ni coated substrate were studied. Atomic resolution transmission electron microscope (TEM) images show highly
Berger, Blake, Bolotin, Cai, Chae, Date, Dikin, Echtermeyer, Eda, Emtsev, Ferrari, Geim, Geng, Haluška, Hye Jin Park, Jannik Meyer, Johansson, Kim, Li, Li, Meyer, Meyer, Nair, Novoselov, Obraztsov, Park, Park, Phani, Reina, Reina, Sakamoto, Seiler, Siegmar Roth, Stankovich, Stoller, Tung, Viera Skákalová, Vázquez de Parga, Wang, Wei, Yang, Yu   +41 more
core   +1 more source

Unlocking the Potential of MXene‐Based Electrochemical Biosensors: A Review of Biofunctionalization Strategies and Biosensing Principles

Advanced Materials Technologies, EarlyView.
ABSTRACT Electrochemical biosensors enable the accurate and timely detection of clinical biomarkers, improving healthcare and precision medicine. MXene nanosheets, a class of 2D transition metal carbides, nitrides, and carbonitrides, are promising materials for developing next‐generation electrochemical biosensors due to their unique physicochemical ...
Muhsin Ali, Sharat Chandra Barman, Isobel Steer, Aya H. Alshareef, Dana Alsulaiman   +4 more
wiley   +1 more source

Development of nickel doped graphitic carbon nitride (GCN) photocatalyst for enhanced degradation of textile pollutant under visible light irradiation

Journal of Saudi Chemical Society
An efficient rare earth metal (nickel) doped graphitic carbon nitride photocatalyst is developed by a facile synthesis approach. The synthesized nickel doped graphitic carbon nitride (x-NGCN) is employed for photocatalytic degradation of organic dye ...
Syed Ahmed Shah Bukhari, Muhammad Zafar, Fatima Mazhar, Ashfaq Ahmed, Tahir Fazal, Fahad Rehman, Abdul Razzaq, Woo Young Kim   +7 more
doaj   +1 more source

A Mn-N3 single-atom catalyst embedded in graphitic carbon nitride for efficient CO2 electroreduction

Nature Communications, 2020
Developing effective catalysts based on earth abundant elements is critical for electrochemical CO2 reduction. Here, the authors prepare a manganese single atom catalyst with high CO2 reduction performance, which can be attributed to the Mn-N3 site ...
Jiaqi Feng, Hongshuai Gao, Lirong Zheng, Zhipeng Chen, Shaojuan Zeng, Chongyang Jiang, Haifeng Dong, Licheng Liu, Suojiang Zhang, Xiangping Zhang   +9 more
doaj   +1 more source

Degradation Mechanisms in PEM Water Electrolysis: Diagnosis and Impact

Advanced Materials Technologies, EarlyView.
This review provides an analysis of degradation mechanisms in proton electrolyte membrane water electrolyzers (PEMWE), focusing on all key components. It discusses diagnostic and measurement techniques for evaluating degradation, less‐studied mechanisms, and an expert survey.
Annik Bernhardt, Katja Lange, Robert Göckeritz, Erik Grunwald, Angelika Hähnel, Alexander Müller, Volker Naumann, Sistan Rasuli, Wolfram Münchgesang, Bruno G. Pollet, Kerstin Witte‐Bodnar, Klemens Ilse   +11 more
wiley   +1 more source

Carbon nitride quantum dots decorated with cyano groups for boosting photocatalytic hydrogen peroxide production

Green Energy & Environment
The photocatalytic hydrogen peroxide (H2O2) production by graphitic carbon nitride is a sustainable and environment-benign alternative approach of conventional anthraquinone autoxidation technology, but it is great challenges to promote two-electron O2 ...
Ke Kong, Hong Zhong, Dejian Chen, Fushuai Zhang, Xiaoju Li, Ruihu Wang   +5 more
doaj   +1 more source

Defect-induced oxygen adsorption on graphene films

, 2018
Although defects on graphene can degrade electron transport and its ability for use as a protection layer, they can also be helpful to tailor the local properties or activate new sites for particular adsorbates. Here, carbon vacancy defects are formed in
Li, Tianbai, Yarmoff, Jory A.
core   +1 more source

Microstructured Electrode‐Piezopolymer Interface for Ultrasound Transducers With Enhanced Flexibility and Acoustic Performance

Advanced Materials Technologies, EarlyView.
Flexible piezopolymer ultrasound transducers are engineered by tailoring the electrode–piezopolymer interface using metallic, flake‐based, and porous graphene electrodes. Laser‐induced graphene's porous structure enables polymer infiltration, strengthening interfacial coupling and enhancing piezoelectric response and acoustic output.
Spencer Hagen, Dulcce A. Valenzuela, Parag V. Chitnis, Shirin Movaghgharnezhad   +3 more
wiley   +1 more source