Results 91 to 100 of about 14,825 (221)

Pt-O bond as an active site superior to Pt0 in hydrogen evolution reaction

Nature Communications, 2020
While converting water to H2 with a catalyst offers a renewable means to produce carbon-neutral fuels, understanding the catalytic active sites has proven challenging.
Fei-Yang Yu, Zhong-Ling Lang, Li-Ying Yin, Kun Feng, Yu-Jian Xia, Hua-Qiao Tan, Hao-Tian Zhu, Jun Zhong, Zhen-Hui Kang, Yang-Guang Li   +9 more
doaj   +1 more source

Hybrid Material Based on the Lindquist Polyoxometalate [W6O19]2− and the organosulfur donor o-Me2TTF: A Combined Structural and Spectroscopic Study

, 2013
International audienceThe synthesis, crystal structure and spectroscopic properties of the hybrid radical cation salt containing oxidized o-3,4-dimethyltetrathiafulvalene (o-Me2TTF) and the Lindquist polyoxometalate anion [W6O19]2− are reported.
Fourmigué, Marc, Jankowski, Damian, Reinheimer, Eric W., Swietlik, Roman   +3 more
core   +3 more sources

Lanthanopolyoxotungstates in silica nanoparticles: multi-wavelength photoluminescent core/shell materials [PDF]

, 2010
We thank Dr Marc Willinger and the RNME (National Electronic Microscopy Network, Portugal) for HRTEM images. Electronic supplementary information (ESI) available: FT-IR and FT-Raman spectra, additional HRTEM images and complementary photoluminescence ...
Ballardini, Blasse, Bumb, Burns, Burns, Carlos, Carlos, Carlos M. Granadeiro, Clemente-León, Deng, Deng, Ferreira, Frey, Granadeiro, Green, He, Helena I. S. Nogueira, Hu, Hungerford, Iwu, Jørgensen, Li, Liu, Louis, Lu, Luís D. Carlos, Malta, Mulvaney, Paula C. R. Soares-Santos, Peacock, Piao, Qi, Rocchiccioli-Deltcheff, Rodrigues, Rute A. S. Ferreira, Slowing, Soares-Santos, Sousa, Sousa, Sousa, Stöber, Tito Trindade, Wang, Wang, Yamase, Ye, Yezhelyev, Yin, Zhang   +48 more
core   +1 more source

Directed Charge Transfer‐Driven Efficient Photocatalytic Hydrogen Production in Dual S‐Scheme WS2/Co9S8/ZnCdS Heterojunction

Carbon Energy, EarlyView.
The photocatalytic hydrogen evolution reaction (HER) activity of the polyoxometalate (POM)‐derived dual S‐scheme heterojunction photocatalyst WS2/Co9S8/ZnCdS reaches a value as high as 15.66 mmol g−1 h−1 under visible light (λ ≥ 420 nm), providing a straightforward approach for the development of dual S‐scheme heterojunctions to enhance the efficiency ...
Shuanghe Fu, Zhi Cai, Haijun Pang, Carlos J. Gómez‐García, Qiong Wu, Xinming Wang, Guixin Yang, Xiaojing Yu, Yongbin Song, Chunjing Zhang, Zhengyao Qiu, Tianqi Guo, Zhipeng Yu   +12 more
wiley   +1 more source

Electronic band structure engineering of π-d conjugated metal-organic framework for sodium organic batteries

Nature Communications
Two-dimensional conjugated metal organic frameworks (2D c-MOFs) hold significant promise as electrode materials for alkali metal ion batteries while their electrochemical properties still lack reasonable and effective regulation. Here, two representative
Juan Chu, Zhaoli Liu, Jie Yu, Heng-Guo Wang, Fengchao Cui, Guangshan Zhu   +5 more
doaj   +1 more source

Rearrangement of {α-P2W15} to {PW6} moieties during the assembly of transition-metal-linked polyoxometalate clusters [PDF]

, 2016
We report the formation of two polyoxotungstates of the general formula [M6(PW6O26)(α-P2W15O56)2(H2O)2]23− (M = CoII or MnII), which contain {PW6} fragments generated from the [P2W15O56]12− precursor, which demonstrates for the first time the ...
Cameron, Jamie M., Cronin, Leroy, Long, De-Liang, Lydon, Claire, Martin-Sabi, Mercè, Winter, Ross Stuart   +5 more
core   +1 more source

Redox‐Mediating Mo2C Nanoparticles Confined Within Nitrogen‐ and Phosphorus‐Codoped Amorphous Carbon Matrix for Lithium–Sulfur Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A multifunctional interlayer composed of Mo2C nanoparticles embedded in a nitrogen‐ and phosphorus‐doped amorphous carbon matrix on graphene is developed via electrostatic self‐assembly and thermal transformation. The resulting architecture suppresses the shuttle effect, improves electrical conductivity, and facilitates redox conversion kinetics ...
Won Il Kim, Min Ju Kim, Hyunyoung Park, Minjun Hwang, Jin Suk Byun, Jaeheon Lee, Jongsoon Kim, Ho Seok Park   +7 more
wiley   +1 more source

Synergistic effect of polyoxometalate solution and TiO2 under UV irradiation to catalyze formic acid degradation and their application in the fuel cell and hydrogen evolution

Green Energy & Environment, 2017
The synergistic effect of H3PMo12O40 or H3PW12O40 polyoxometalate solution (POM) and TiO2 to catalyze formic acid oxidation was investigated. Under UV irradiation, hole and electron were photogenerated by TiO2.
Congmin Liu, Zhe Zhang, Wei Liu, Xu Du, Shi Liu, Yong Cui   +5 more
doaj   +1 more source

Electrochemical study of H3PMo12 retention on Vulcan carbon grafted with NH2 and OH groups [PDF]

, 2016
In this work, we show a comparative study based on the effects of specific chemical functional groups (–OH, –NH2), grafted on Vulcan carbon (VC) with the incorporation of a specific polyoxometalate (POM), PMo12 (H3PMo12O40), to improve electrochemical ...
Brousse, T., Cuentas Gallegos, Ana Karina, Fuentes Quezada, Eduardo, López Cortina, S., Mosqueda, H., Orozco Gamboa, G., Pacheco Catalán, D.   +6 more
core   +2 more sources

Structural Design of MOF‐Based and MOF‐Derived Composites for Oxygen Evolution Electrocatalysis: Materials Innovation for Energy and Environmental Sustainability

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review provides an overview of recent developments in metal organic framework (MOF)‐based and MOF‐derived composites for efficient oxygen evolution reaction. This review also emphasizes the structural design of electrocatalyst, active site optimization, and emerging prospects of their use in practical electrolyzer systems.
Bhagyashri B. Kamble, Aditi De, Seung Joo Jang, Arun Karmkar, Venkatachalam Vinothkumar, Niyaz Mujawar, Subrata Kundu, Tae Hyun Kim   +7 more
wiley   +1 more source