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Electrostatically Assembled Construction Of Ternary Tio2-Cu@C Hybrid With Enhanced Solar-To-Hydrogen Evolution Employing Amorphous Carbon Dots As Electronic Mediator, Jiaxin Zhu, Mengmeng Zhang, Jinyan Xiong, Yinan Yan, Weijie Li, Gang Cheng
Electrostatically Assembled Construction Of Ternary Tio2-Cu@C Hybrid With Enhanced Solar-To-Hydrogen Evolution Employing Amorphous Carbon Dots As Electronic Mediator, Jiaxin Zhu, Mengmeng Zhang, Jinyan Xiong, Yinan Yan, Weijie Li, Gang Cheng
Australian Institute for Innovative Materials - Papers
The huge demand for renewable hydrogen produced by water splitting has prompted people to conduct in-depth research on the hydrogen evolution reaction for the development of earth-abundant, non-precious, and multi-functional metal catalysts. Herein, a noble-metal-free ternary composite of TiO2-Cu@C was prepared by electrostatic self-assembly loaded copper nanoparticles and amorphous carbon dots (CDs) on porous TiO2 microrods. The good conductivity of the CDs was beneficial to promoting the charge transfer and separation, generating an enhanced solar-to-hydrogen performance on TiO2-Cu@C. The optimized TiO2-Cu@C reveals a stable and notable hydrogen evolution rate of 3911 μmol g−1h−1, which is 1.6 times that of TiO2-Cu …
Construction Of Hierarchical Mose2 Hollow Structures And Its Effecton Electrochemical Energy Storage And Conversion, Sha Hu, Qingqing Jiang, Shuoping Ding, Ye Liu, Zuozuo Wu, Zhengxi Huang, Tengfei Zhou, Zaiping Guo, Juncheng Hu
Construction Of Hierarchical Mose2 Hollow Structures And Its Effecton Electrochemical Energy Storage And Conversion, Sha Hu, Qingqing Jiang, Shuoping Ding, Ye Liu, Zuozuo Wu, Zhengxi Huang, Tengfei Zhou, Zaiping Guo, Juncheng Hu
Australian Institute for Innovative Materials - Papers
Metal selenides have attracted increased attentionas promising electrode materials for electrochemical energy storageand conversion systems including metal-ion batteries and watersplitting. However, their practical application is greatly hindered bycollapse of the microstructure, thus leading to performance fading.Tuning the structure at nanoscale of these materials is an effectivestrategy to address the issue. Herein, we craft MoSe2withhierarchical hollow structures via a facile bubble-assistedsolvothermal method. The temperature-related variations of thehollow interiors are studied, which can be presented as solid, yolk−shell, and hollow spheres, respectively. Under the simultaneousaction of the distinctive hollow structures and interconnectionsamong the nanosheets, more intimate contacts between MoSe2and electrolyte can be …