Research on photovoltaic performance of Cu2ZnSnS4 and fabrication by solution chemical method

Cu2ZnSnS4（CZTS） is pr oved to be one of the ideal photoabsortion materials in the field of thin film solar cells,owning to its abundant resources,environment friendly,fascinating optoelectronic properties and so on.The crystal structure and photovoltaic

太阳能电池有机电子传输材料研究新进展

当今能源危机问题日益紧迫,以太阳能为代表的新能源开发成为研究热点。有机半导体材料具有成本低廉、可塑性强、性能优异等特点,因此在太阳能电池领域中具有极大的应用前景。研发性能优异、成本低、稳定性高的有机电子传输材料是太阳能电池研究领域的重要内容。总结了近年来有机电子传输材料的研究进展和发展方向,按照其分子结构分为富勒烯衍生物、大π共轭体系、非π体系、改性材料、碳纳米材料等5类体系,分别介绍了其结构特性,讨论了其在太阳能电池应用中存在的问题及解决方法,综述了该领域的最新研究成果,最后总结了开发新型高效的有机电子传输材料的研究方向

New Research Progress of Organic Electron Transport Materials in Solar Cells

The development of new energy, which is represented by solar energy, has become a research hots- pot as the energy ciisis is becoming more and more urgent nowadays. Organic semiconductor materials are of great potential and prospect in the field of sola

JUNO Sensitivity on Proton Decay p→νˉK+p\to \bar\nu K^+ Searches

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar\nu K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar\nu K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel

JUNO sensitivity on proton decay p → ν K + searches*

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this study, the potential of searching for proton decay in the $p\to \bar{\nu} K^+$ mode with JUNO is investigated. The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar{\nu} K^+$ is 36.9% ± 4.9% with a background level of $0.2\pm 0.05({\rm syst})\pm$$0.2({\rm stat})$ events after 10 years of data collection. The estimated sensitivity based on 200 kton-years of exposure is $9.6 \times 10^{33}$ years, which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies