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Simultaneous band-gap narrowing and carrier-lifetime prolongation of organic-inorganic trihalide perovskites
Kong, LP (Kong, Lingping); Liu, G (Liu, Gang); Gong, J (Gong, Jue); Hu, QY (Hu, Qingyang); Schaller, RD (Schaller, Richard D.); Dera, P (Dera, Przemyslaw); Zhang, DZ (Zhang, Dongzhou); Liu, ZX (Liu, Zhenxian); Yang, WG (Yang, Wenge); Zhu, K (Zhu, Kai); Tang, YZ (Tang, Yuzhao); Wang, CY (Wang, Chuanyi); Wei, SH (Wei, Su-Huai); Xu, T (Xu, Tao); Mao, HK (Mao, Ho-kwang)
2016
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷号113期号:32页码:8910-8915
摘要The organic-inorganic hybrid lead trihalide perovskites have been emerging as the most attractive photovoltaic materials. As regulated by Shockley-Queisser theory, a formidable materials science challenge for improvement to the next level requires further band-gap narrowing for broader absorption in solar spectrum, while retaining or even synergistically prolonging the carrier lifetime, a critical factor responsible for attaining the near-band-gap photovoltage. Herein, by applying controllable hydrostatic pressure, we have achieved unprecedented simultaneous enhancement in both band-gap narrowing and carrier-lifetime prolongation (up to 70% to similar to 100% increase) under mild pressures at similar to 0.3 GPa. The pressure-induced modulation on pure hybrid perovskites without introducing any adverse chemical or thermal effect clearly demonstrates the importance of band edges on the photon-electron interaction and maps a pioneering route toward a further increase in their photovoltaic performance.
关键词Perovskite Solar Cell High Pressure Band Gap Carrier Lifetime
DOI10.1073/pnas.1609030113
收录类别SCI
WOS记录号WOS:000381293300037
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被引频次:52[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/365002/4642
专题环境科学与技术研究室
作者单位1.Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China
2.Carnegie Inst Sci, Geophys Lab, Washington, DC 20015 USA
3.Northern Illinois Univ, Dept Chem & Biochem, De Kalb, IL 60115 USA
4.Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA
5.Univ Hawaii Manoa, Hawaii Inst Geophys & Planetol, Sch Ocean & Earth Sci & Technol, Honolulu, HI 96822 USA
6.Natl Renewable Energy Lab, Chem & Nanosci Ctr, Golden, CO 80401 USA
7.Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Biochem & Cell Biol, Natl Ctr Prot Sci Shanghai, Shanghai 201210, Peoples R China
8.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
9.Beijing Computat Sci Res Ctr, Beijing 100193, Peoples R China
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Kong, LP ,Liu, G ,Gong, J ,et al. Simultaneous band-gap narrowing and carrier-lifetime prolongation of organic-inorganic trihalide perovskites[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2016,113(32):8910-8915.
APA Kong, LP .,Liu, G .,Gong, J .,Hu, QY .,Schaller, RD .,...&Mao, HK .(2016).Simultaneous band-gap narrowing and carrier-lifetime prolongation of organic-inorganic trihalide perovskites.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,113(32),8910-8915.
MLA Kong, LP ,et al."Simultaneous band-gap narrowing and carrier-lifetime prolongation of organic-inorganic trihalide perovskites".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 113.32(2016):8910-8915.
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