Novel exciton dissociation behavior in tin-lead organohalide perovskites
Lin GM(林国明); Lin, GM; Lin, YW; Huang, H; Cui, RL; Guo, XH; Liu, B; Dong, JQ; Guo, XF; Sun, BY; Huang H(黄换); Cui RL(崔荣丽); Guo XH(郭喜红); Liu B(刘冰); Dong JQ(董金泉); Sun BY(孙宝云)
刊名NANO ENERGY
2016
卷号27页码:638-646
关键词Tin-lead organohalide perovskites Fullerenes Solar cells Exciton dissociation behaviors
DOI10.1016/j.nanoen.2016.08.015
通讯作者孙宝云
文章类型期刊论文
英文摘要The design of organic-inorganic trihalide perovskite solar cells with higher performance, lower environmental pollution, lower cost and easier of fabrication should be a significant stride towards their practical application. Nevertheless, the contribution of exciton dissociation behavior of the perovskite to this strategy has not been recognized comparing with film morphology, device architecture and fabrication process. Here we demonstrated a series of solution-processed solid-state tin-lead organohalide perovskite photovoltaic solar cells using carefully selected fullerene derivatives as the electron transport layer. The hybrid excitonic feature of CH3NH3Sn0.5Pb0.5I3 was revealed for the first time by comparing the exciton dissociation behaviors of CH3NH3Sn0.5Pb0.5I3 with conventional excitonic semiconductor in both planar heterojunction solar cells and lateral architecture photosensors. By optimizing the lowest unoccupied molecular orbital level of electron transport layer materials, high open circuit voltage of 0.69 V, short circuit photocurrent density of 22.8 mA cm-2 and power conversion efficiency of more than 10% were achieved with the incident photon conversion efficiency spectra onset reaching 1050 nm. These devices may work as high performance photodetectors with a broad spectral response expanding from UV-visible to near-infrared. Our results have suggested the exciton dissciation behavior to be an efficient perspective for the improvement of provskite solar cells. (C) 2016 Elsevier Ltd. All rights reserved.
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
关键词[WOS]HETEROJUNCTION SOLAR-CELLS ; OPEN-CIRCUIT VOLTAGE ; HIGH-EFFICIENCY ; PHOTOVOLTAIC PERFORMANCE ; QUANTUM EFFICIENCY ; CHARGE SEPARATION ; RECOMBINATION ; ABSORPTION ; TRIHALIDE
语种英语
WOS记录号WOS:000384910500071
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260370
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Lin GM,Lin, GM,Lin, YW,et al. Novel exciton dissociation behavior in tin-lead organohalide perovskites[J]. NANO ENERGY,2016,27:638-646.
APA 林国明.,Lin, GM.,Lin, YW.,Huang, H.,Cui, RL.,...&孙宝云.(2016).Novel exciton dissociation behavior in tin-lead organohalide perovskites.NANO ENERGY,27,638-646.
MLA 林国明,et al."Novel exciton dissociation behavior in tin-lead organohalide perovskites".NANO ENERGY 27(2016):638-646.
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