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1Current progress in developing metal oxide nanoarrays-based photoanodes for photoelectrochemical water splitting显示文摘Solar energy driven photoelectrochemical(PEC) water splitting is a clean and powerful approach for renewable hydrogen production. The design and construction of metal oxide based nanoarray photoanodes is one of the promising strategies to make the continuous breakthroughs in solar to hydrogen conversion efficiency of PEC cells owing to their owned several advantages including enhanced reactive surface at the electrode/electrolyte interface, improved light absorption capability, increased charge separation efficiency and direct electron transport pathways. In this Review, we first introduce the structure,work principle and their relevant efficiency calculations of a PEC cell. We then give a summary of the state-of the-art research in the preparation strategies and growth mechanism for the metal oxide based nanoarrays, and some details about the performances of metal oxide based nanoarray photoanodes for PEC water splitting. Finally, we discuss key aspects which should be addressed in continued work on realizing high-efficiency metal oxide based nanoarray photoanodes for PEC solar water splitting systems.Yongcai Qiu Zhenghui Pan Haining Chen Daiqi Ye Lin Guo Zhiyong Fan Shihe Yang 2019Science Bulletin2019,64,18:7
2Effects of nanostructure on clean energy: big solutions gained from small features显示文摘The increasing energy consumption and environmental concerns have driven the development of costeffective, high-efficiency clean energy. Advanced functional nanomaterials and relevant nanotechnologies are playing a crucial role and showing promise in resolving some energy issues. In this view, we focus on recent advances of functional nanomaterials in clean energy applications, including solar energy conversion, water splitting, photodegradation, electrochemical energy conversion and storage, and thermoelectric conversion, which have attracted considerable interests in the regime of clean energy.Jinyan Xiong Chao Han Zhen Li Shixue Dou 2015Science Bulletin2015,60,24:6
3太阳光模拟器的解析、应用及其发展显示文摘介绍了太阳光模拟器的组成、参数、等级划分、分类,进而在汇总国内外太阳光模拟器生产厂家的基础上介绍了太阳光模拟器的应用与发展,可为太阳光模拟器的选择提供有益的信息和参考。蔺佳 桑丽霞 张静 赵阳博 2015太阳能2015,,10:4
4Au-Cu有序纳米颗粒阵列的构筑及其光学性能显示文摘使用单层胶体晶体模板技术,结合物理气相沉积,热处理等方法,制备大面积(平方厘米量级)的二元合金Au-Cu纳米颗粒阵列。通过气-液界面自组装法在载玻片上制备单层聚苯乙烯(PS)胶体晶体球模板;使用SiO2片、石英片(5 mm×5 mm,10 mm×10 mm)打捞PS球模板;通过溅射沉积的方法,在单层PS球模板上沉积生长Au薄膜,沉积时间为80 s。然后在1100℃(空气氛围)温度下进行热处理获得单层有序非密排Au纳米颗粒阵列;以此为模板,同样方法依次沉积生长20,30,60,120 s的Cu薄膜,在900℃(N2+H2混合气氛)温度下进行热处理;从而得到大面积的球状单层有序非密排Au-Cu纳米颗粒阵列,再使用场发射扫描电镜(SEM)及附带的能谱仪(EDS)来分析阵列形貌及组分;通过X射线衍射仪(XRD)来分析物质的晶体结构和材料组成;最后利用紫外可见分光光度计分析合金组元与等离激元共振峰的峰位及强度的关联性。结果发现:随着合金组元成分Cu的增加,使得二元合金Au-Cu纳米颗粒的局域表面等离子体共振(LSPR)峰位红移,峰强逐渐削弱,其主要原因是Cu的介电常数与Au相比较高。因此,可以通过调节合金种类及组分来调控LSPR峰位,以满足其在不同领域使用的需求。马洪伟 张洪华 方继恒 刘曦 王塞北 谢明 2020稀有金属2020,44,9:3
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