Calcium manganate: A promising candidate as buffer layer for hybrid halide perovskite photovoltaic-thermoelectric systems
Zhao, PJ (Zhao, Pengjun)1; Xu, JB (Xu, Jinbao)1; Wang, HG (Wang, Hongguang)1; Wang, L (Wang, Lei)1; Kong, WW (Kong, Wenwen)1; Ren, W (Ren, Wei)1; Bian, L (Bian, Liang)1; Chang, AM (Chang, Aimin)1
2014
发表期刊JOURNAL OF APPLIED PHYSICS
ISSN0021-8979
卷号116期号:19页码:1-5
摘要

We have systematically studied the feasibility of CaMnO3 thin film, an n-type perovskite, to be utilized as the buffer layer for hybrid halide perovskite photovoltaic-thermoelectric device. Locations of the conduction band and the valence band, spontaneous polarization performance, and optical properties were investigated. Results indicate the energy band of CaMnO3 can match up well with that of CH3NH3PbI3 on separating electron-hole pairs. In addition, the consistent polarization angle helps enlarge the open circuit voltage of the composite system. Besides, CaMnO3 film shows large absorption coefficient and low extinction coefficient under visible irradiation, demonstrating high carrier concentration, which is beneficial to the current density. More importantly, benign thermoelectric properties enable CaMnO3 film to assimilate phonon vibration from CH3NH3PbI3. All the above features lead to a bright future of CaMnO3 film, which can be a promising candidate as a buffer layer for hybrid halide perovskite photovoltaic-thermoelectric systems.

DOI10.1063/1.4901636
收录类别SCI
WOS记录号WOS:000345513700061
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4904
专题中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
通讯作者Xu, JB (Xu, Jinbao)
作者单位1.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhao, PJ ,Xu, JB ,Wang, HG ,et al. Calcium manganate: A promising candidate as buffer layer for hybrid halide perovskite photovoltaic-thermoelectric systems[J]. JOURNAL OF APPLIED PHYSICS,2014,116(19):1-5.
APA Zhao, PJ .,Xu, JB .,Wang, HG .,Wang, L .,Kong, WW .,...&Chang, AM .(2014).Calcium manganate: A promising candidate as buffer layer for hybrid halide perovskite photovoltaic-thermoelectric systems.JOURNAL OF APPLIED PHYSICS,116(19),1-5.
MLA Zhao, PJ ,et al."Calcium manganate: A promising candidate as buffer layer for hybrid halide perovskite photovoltaic-thermoelectric systems".JOURNAL OF APPLIED PHYSICS 116.19(2014):1-5.
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