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Constructing robust heterointerfaces for carrier viaduct via interfacial molecular bridges enables efficient and stable inverted perovskite solar cells

文献类型：期刊论文

作者Xu, Huifen9,10; Liang, Zheng9,10; Ye, Jiajiu8,10; Zhang, Yong4,5; Wang, Zihan9,10; Zhang, Hui10; Wan, Changmao9,10; Xu, Guangkun1; Zeng, Jie4,5; Xu, Baomin4,5
刊名ENERGY & ENVIRONMENTAL SCIENCE
出版日期2023-10-06
ISSN号1754-5692
DOI10.1039/d3ee02591h
通讯作者Ye, Jiajiu(yejj@issp.ac.cn) ; Pan, Xu(xpan@rntek.cas.cn)
英文摘要A robust perovskite-substrate interface is critical to realize state-of-the-art inverted (p-i-n) perovskite solar cells (PSCs), as it enables charge carrier selectivity by means of suitable electrostatics, energy level alignment, and low interfacial recombination. To achieve this goal of carrier selectivity in p-i-n type PSCs, we propose a strategy of carrier viaduct via an interfacial molecular bridge comprised of Ph-CH2N+H3-n(CH3)(n) ammonium cations (where n is the degree of substitution). Through a joint theoretical-experimental study, we demonstrate that the most stable heterointerface is established by quaternary ammonium (QA, n = 3), where the -N+(CH3)(3) groups preferentially insert into the perovskite frameworks, with a vertical downward orientation of the phenyl groups towards the perovskite-substrates. This interfacial molecular bridge configuration as a carrier viaduct enables directional carrier management and redistributes a homogeneous environment at the heterointerface. Therefore, the carrier viaduct strategy enhances charge carrier extraction and transport in both in-plane or out-of-plane directions. Meanwhile, the bottom interfacial molecule acts as a double-sided molecular binder, maintaining the contact stack and strengthening the weak interface. The fabricated lab-scale inverted PSCs exhibit a champion efficiency of 25.45% (certified at 24.9%), with the fill factor exceeding 85.66%, corresponding to 95% of their thermodynamic limit at its bandgap (E-g = 1.54 eV). The corresponding perovskite solar modules for an active area of 23.25 cm(2) deliver an efficiency of 20.91%. Notably, even unencapsulated target PSCs retain nearly their initial efficiency after 3000 hours under light soaking at maximum power point tracking.
WOS关键词DEFECTS
资助项目This work was financially supposed by the National Natural Science Foundation of China (Grant U22A20142, No. 52302324 and No. 52272252), the National Key Ramp;D Program of China (No. 2021YFB3800102), HFIPS Directorapos;s Fund (Grant YZJJ-GGZX-2022-01) an[U22A20142] ; This work was financially supposed by the National Natural Science Foundation of China (Grant U22A20142, No. 52302324 and No. 52272252), the National Key Ramp;D Program of China (No. 2021YFB3800102), HFIPS Directorapos;s Fund (Grant YZJJ-GGZX-2022-01) an[52302324] ; This work was financially supposed by the National Natural Science Foundation of China (Grant U22A20142, No. 52302324 and No. 52272252), the National Key Ramp;D Program of China (No. 2021YFB3800102), HFIPS Directorapos;s Fund (Grant YZJJ-GGZX-2022-01) an[52272252] ; National Natural Science Foundation of China[2021YFB3800102] ; National Key Ramp;D Program of China[YZJJ-GGZX-2022-01] ; HFIPS Directorapos;s Fund[554 2108085J34] ; Science Funds of Distinguished Young Scholars of Anhui Province
WOS研究方向Chemistry ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
语种英语
出版者ROYAL SOC CHEMISTRY
WOS记录号WOS:001085652600001
资助机构This work was financially supposed by the National Natural Science Foundation of China (Grant U22A20142, No. 52302324 and No. 52272252), the National Key Ramp;D Program of China (No. 2021YFB3800102), HFIPS Directorapos;s Fund (Grant YZJJ-GGZX-2022-01) an ; National Natural Science Foundation of China ; National Key Ramp;D Program of China ; HFIPS Directorapos;s Fund ; Science Funds of Distinguished Young Scholars of Anhui Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/133345]  
专题中国科学院合肥物质科学研究院
通讯作者Ye, Jiajiu; Pan, Xu
作者单位1.Hainan Univ, State Key Lab Marine Resources Utilizat South Chin, Haikou 570228, Peoples R China
2.Univ Sci & Technol China USTC, Dept Phys, Hefei 230026, Peoples R China
3.Univ Sci & Technol China USTC, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
4.Southern Univ Sci & Technol SUSTech, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
5.Southern Univ Sci & Technol SUSTech, Shenzhen Engn Res & Dev Ctr Flexible Solar Cells, Shenzhen 518055, Peoples R China
6.Univ Duisburg Essen, CENIDE, D-47057 Duisburg, Germany
7.Univ Duisburg Essen, Fac Engn, D-47057 Duisburg, Germany
8.Forschungszentrum Julich, IEK5 Photovolta, D-52425 Julich, Germany
9.Univ Sci & Technol China USTC, Hefei 230026, Peoples R China
10.Chinese Acad Sci, Inst Solid State Phys, Hefei Inst Phys Sci HIPS, Key Lab Photovolta & Energy Conservat Mat, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Huifen,Liang, Zheng,Ye, Jiajiu,et al. Constructing robust heterointerfaces for carrier viaduct via interfacial molecular bridges enables efficient and stable inverted perovskite solar cells[J]. ENERGY & ENVIRONMENTAL SCIENCE,2023.
APA Xu, Huifen.,Liang, Zheng.,Ye, Jiajiu.,Zhang, Yong.,Wang, Zihan.,...&Pan, Xu.(2023).Constructing robust heterointerfaces for carrier viaduct via interfacial molecular bridges enables efficient and stable inverted perovskite solar cells.ENERGY & ENVIRONMENTAL SCIENCE.
MLA Xu, Huifen,et al."Constructing robust heterointerfaces for carrier viaduct via interfacial molecular bridges enables efficient and stable inverted perovskite solar cells".ENERGY & ENVIRONMENTAL SCIENCE (2023).

入库方式： OAI收割

来源：合肥物质科学研究院

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