SnO2/2D-Bi2O2Se new hybrid electron transporting layer for efficient and stable perovskite solar cells
文献类型：期刊论文
| 作者 | Chen, Jinyun1,2; Zhang, Jiankai2; Huang, Chengwen2; Bi, Zhuoneng5; Xu, Xueqing5 ; Yu, Huangzhong2,3,4,5
|
| 刊名 | CHEMICAL ENGINEERING JOURNAL
 |
| 出版日期 | 2021-04-15 |
| 卷号 | 410页码:11 |
| ISSN号 | 1385-8947 |
| 关键词 | Perovskite solar cells SnO2/2D-Bi2O2Se Electron transport layer 2D materials Morphology |
| DOI | 10.1016/j.cej.2021.128436 |
| 通讯作者 | Xu, Xueqing(xuxq@ms.giec.ac.cn) ; Yu, Huangzhong(hzhyu@scut.edu) |
| 英文摘要 | Interfacial engineering has been proved to be an effective way to enhance the performance of perovskite solar cells (PSCs) by reducing interfacial charge recombination. In this work, two-dimensional (2D) Bi2O2Se nano-flakes with high charge mobility are synthesized by facile composited molten salt method, and used as electron transport layer (ETL) of PSCs for the first time. The PSCs based on single 2D Bi2O2Se nanoflakes ETL exhibit power conversion efficiency (PCE) of 9.12%, which is 110% higher than those without ETL (4.32%). To fill pinholes and defects on the surface of SnO2 thin film, we also use the 2D Bi2O2Se nanoflakes to modify the surface of SnO2 thin film, and fabricate SnO2/2D-Bi2O2Se new hybrid ETL to effectively reduce recombination at hetero-interface. Owing to the high charge mobility of 2D Bi2O2Se nanoflakes and cascade band alignment between perovskite active layer and tin dioxide, more efficient electron transport in PSCs is obtained than the single SnO2 ETL. Moreover, novel hybrid ETL provides a smoother and more hydrophobic surface for larger perovskite crystal formation. Compared with PSCs with single SnO2 ETL, the PCE of PSCs based on SnO2/2D Bi2O2Se hybrid ETL is improved to 19.06% from 16.29% with suppressed hysteresis. More interesting, the stability of PSCs with the new hybrid ETLs is also improved due to the improved crystallinity of perovskite active layer. This work shows the 2D Bi2O2Se material has potential for applications in PSCs. |
| 资助项目 | National Natural Science Foundation of China[61974045] ; Natural Science Foundation of Guangdong Province[2019A1515012092] ; project of the Science and Technology Bureau from Dongguan Government[2019622163008] ; Key Laboratory of Functional Molecular Solids Ministry of Education[FMS201905] ; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development[Y909kp1001] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE SA |
| WOS记录号 | WOS:000623391600002 |
| 资助机构 | National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province ; project of the Science and Technology Bureau from Dongguan Government ; Key Laboratory of Functional Molecular Solids Ministry of Education ; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development |
| 源URL | [http://ir.giec.ac.cn/handle/344007/32764]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Xu, Xueqing; Yu, Huangzhong |
| 作者单位 | 1.South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Peoples R China 2.South China Univ Technol, Sch Phys & Optoelect, Guangzhou 510640, Peoples R China 3.South China Inst Collaborat Innovat, Dongguan 523808, Peoples R China 4.Anhui Normal Univ, Key Lab Funct Mol Solids, Minist Educ, Wuhu 241000, Peoples R China 5.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Jinyun,Zhang, Jiankai,Huang, Chengwen,et al. SnO2/2D-Bi2O2Se new hybrid electron transporting layer for efficient and stable perovskite solar cells[J]. CHEMICAL ENGINEERING JOURNAL,2021,410:11. |
| APA | Chen, Jinyun,Zhang, Jiankai,Huang, Chengwen,Bi, Zhuoneng,Xu, Xueqing,&Yu, Huangzhong.(2021).SnO2/2D-Bi2O2Se new hybrid electron transporting layer for efficient and stable perovskite solar cells.CHEMICAL ENGINEERING JOURNAL,410,11. |
| MLA | Chen, Jinyun,et al."SnO2/2D-Bi2O2Se new hybrid electron transporting layer for efficient and stable perovskite solar cells".CHEMICAL ENGINEERING JOURNAL 410(2021):11. |
入库方式： OAI收割
来源：广州能源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。