In a recent article in Nature,Zhou et al.[1]reported an impressive demonstration of Floquet materials engineering.In this field researchers aim at creating properties in materials that they do not usually exhibit in t...In a recent article in Nature,Zhou et al.[1]reported an impressive demonstration of Floquet materials engineering.In this field researchers aim at creating properties in materials that they do not usually exhibit in their equilibrium state.The scope ranges from inducing phase transitions in out-of-equilibrium that can otherwise only be achieved by pressure or doping.展开更多
半导体量子点(quantum dots,QDs)凭借其优异的物理、化学特性在太阳能电池应用中受到广泛研究.在量子点太阳能电池(quantum dot solar cells,QDSCs)中,电荷分离效率和电荷收集效率低是影响器件光伏性能的两大关键因素.能带工程和界面工...半导体量子点(quantum dots,QDs)凭借其优异的物理、化学特性在太阳能电池应用中受到广泛研究.在量子点太阳能电池(quantum dot solar cells,QDSCs)中,电荷分离效率和电荷收集效率低是影响器件光伏性能的两大关键因素.能带工程和界面工程对于加速光生电子空穴对分离、提高载流子收集效率,进而提高QDSCs性能具有重要意义.本文从材料、薄膜和器件多角度出发,综述了能带工程和界面工程在光伏性能优化方面的应用.首先,概述了QDs特性及QDSCs工作原理与器件结构;其次,结合国内外最新研究进展,阐述了能带工程和界面工程的常用策略及其在提高器件性能方面的具体作用;最后,总结了能带和界面问题的关联性,并对下一步研究方向进行了展望.展开更多
The constantly increasing global energy demand and related environmental issues urgently motivate the pursuit of renewable and eco-friendly energy sources [1]. Artificial photosynthesis that converts solar energy into...The constantly increasing global energy demand and related environmental issues urgently motivate the pursuit of renewable and eco-friendly energy sources [1]. Artificial photosynthesis that converts solar energy into storable chemical fuels is an attractive way to produce green and sustainable energy.展开更多
基金supported by the Cluster of Excellence’CUI:Advanced Imaging of Matter’–EXC 2056–project ID 390715994 and SFB-925“Light induced dynamics and control of correlated quantum systems”—project 170620586 of the Deutsche Forschungsgemeinschaft(DFG)and Grupos Consolidados(IT1453-22).The Flatiron Institute is a division of the Simons Foundation.
文摘In a recent article in Nature,Zhou et al.[1]reported an impressive demonstration of Floquet materials engineering.In this field researchers aim at creating properties in materials that they do not usually exhibit in their equilibrium state.The scope ranges from inducing phase transitions in out-of-equilibrium that can otherwise only be achieved by pressure or doping.
基金the National Key Research and Development Program of China(2016YFA0204000)the National Natural Science Foundation of China(61935016,U1632118 and 21571129)+3 种基金start-up funding from ShanghaiTech Universitythe Center for High-resolution Electron Microscopy(C?EM)at ShanghaiTech University(EM02161943)Young 1000 Talents ProgramScience Fund for Creative Research Groups(21421004)。
文摘半导体量子点(quantum dots,QDs)凭借其优异的物理、化学特性在太阳能电池应用中受到广泛研究.在量子点太阳能电池(quantum dot solar cells,QDSCs)中,电荷分离效率和电荷收集效率低是影响器件光伏性能的两大关键因素.能带工程和界面工程对于加速光生电子空穴对分离、提高载流子收集效率,进而提高QDSCs性能具有重要意义.本文从材料、薄膜和器件多角度出发,综述了能带工程和界面工程在光伏性能优化方面的应用.首先,概述了QDs特性及QDSCs工作原理与器件结构;其次,结合国内外最新研究进展,阐述了能带工程和界面工程的常用策略及其在提高器件性能方面的具体作用;最后,总结了能带和界面问题的关联性,并对下一步研究方向进行了展望.
文摘The constantly increasing global energy demand and related environmental issues urgently motivate the pursuit of renewable and eco-friendly energy sources [1]. Artificial photosynthesis that converts solar energy into storable chemical fuels is an attractive way to produce green and sustainable energy.
