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2D Intermediate Suppression for Efficient Ruddlesden-Popper (RP) Phase Lead-Free Perovskite Solar Cells
Qiu, J; Xia, YD; Zheng, YT; Hui, W; Gu, H; Yuan, WB; Yu, H; Chao, LF; Niu, TT; Yang, YG; Gao, XY; Chen, YH; Huang, W
2019
Source PublicationACS ENERGY LETTERS
ISSN2380-8195
Volume4Issue:7Pages:1513-1520
Subtype期刊论文
Abstract2D Ruddlesden-Popper (2DRP) tin (Sn) perovskite solar cells (PSCs) play an irreplaceable role in advancing the commercialization of perovskite-based photovoltaic devices due to their low toxicity and improved stability. However, the efficiency of 2DRP Sn PSCs has not made a breakthrough owing to incompletely oriented crystal growth and poor film morphology, which is limited by a complex and uncontrollable crystallization process. Here, we first introduce the mixed spacer organic cations [n-butylamine (BA) and phenylethylamine (PEA)] in 2DRP Sn perovskite to control the crystallization process. We find that when the BA(+) and PEA(+) co-work to form [(BA(0.5)PEA(0.5))(2)FA(3)Sn(4)I(13)] 2DRP perovskites, the intermediate phase impeding the homogeneous and ordered nucleation of the crystal is suppressed effectively, thus enabling a high-quality film morphology and improved crystal orientation. Benefitting from it, the power conversion efficiency (PCE) is improved to 8.82%, which is the highest one among the 2DRP Sn PSCs as far as we known.
KeywordHALIDE PEROVSKITES CRYSTALLIZATION STABILITY FILMS
DOI10.1021/acsenergylett.9b00954
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31940
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Nanjing Tech Univ NanjingTech, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;
2.Nanjing Tech Univ NanjingTech, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, IAM, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China;
4.NPU, SIFE, 127 West Youyi Rd, Xian 710072, Shaanxi, Peoples R China;
5.Nanjing Univ Posts & Telecommun, KLOEID, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China;
6.Nanjing Univ Posts & Telecommun, IAM, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Qiu, J,Xia, YD,Zheng, YT,et al. 2D Intermediate Suppression for Efficient Ruddlesden-Popper (RP) Phase Lead-Free Perovskite Solar Cells[J]. ACS ENERGY LETTERS,2019,4(7):1513-1520.
APA Qiu, J.,Xia, YD.,Zheng, YT.,Hui, W.,Gu, H.,...&Huang, W.(2019).2D Intermediate Suppression for Efficient Ruddlesden-Popper (RP) Phase Lead-Free Perovskite Solar Cells.ACS ENERGY LETTERS,4(7),1513-1520.
MLA Qiu, J,et al."2D Intermediate Suppression for Efficient Ruddlesden-Popper (RP) Phase Lead-Free Perovskite Solar Cells".ACS ENERGY LETTERS 4.7(2019):1513-1520.
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