Graphene oxide as an additive to improve perovskite film crystallization and morphology for high-efficiency solar cells
文献类型：期刊论文
| 作者 | Zhang, XN; Ji, GW; Xiong, DB; Su, ZH; Zhao, B; Shen, KC; Yang, YG; Gao, XY |
| 刊名 | RSC ADVANCES
 |
| 出版日期 | 2018 |
| 卷号 | 8期号:2页码:987-993 |
| 关键词 | Quantum Dots Performance Layer Iodide Fabrication Deposition Growth Ch3nh3pbi3-xclx Sensitizers Extraction |
| ISSN号 | 2046-2069 |
| DOI | 10.1039/c7ra12049d |
| 文献子类 | 期刊论文 |
| 英文摘要 | The quality of a perovskite film has a great impact on its light absorption and carrier transport, which is vital to improve high-efficiency perovskite solar cells (PSCs). Herein, it is demonstrated that graphene oxide (GO) can be used as an effective additive in the precursor solution for the preparation of high-quality solution-processed CH3NH3PbI3 (MAIPbI(3)) films. It is evidenced by scanning electron microscopy that the size of the grains inside these films not only increases but also becomes more uniform after the introduction of an optimized amount of 1 vol% GO. Moreover, 1 vol% GO also enhances the crystallization of perovskite film with intact preferential out-of-plane orientation as proven by 2-dimensional grazing-incidence X-ray diffraction. As a consequence of the improved film quality, enhanced charge extraction efficiency and optical absorption are demonstrated by photoluminescence (PL) spectroscopy and UV-visible absorption spectroscopy, respectively. Using 1 vol% GO, the fabricated champion heterojunction PSC with a structure of ITO/SnO2/perovskite/spiro-OMeTAD/Au shows a significant power conversion efficiency increase to 17.59% with reduced hysteresis from 16.10% for the champion device based on pristine perovskite. The present study thus proposes a simple approach to make use of GO as an effective and cheap addictive for high-performance PSCs with large-scale production capability. |
| 语种 | 英语 |
| WOS记录号 | WOS:000419347900045 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/29031]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Zhang, XN 2.Ji, GW 3.Xiong, DB 4.Su, ZH 5.Zhao, B 6.Shen, KC 7.Yang, YG 8.Gao, XY |
| 推荐引用方式 GB/T 7714 | Zhang, XN,Ji, GW,Xiong, DB,et al. Graphene oxide as an additive to improve perovskite film crystallization and morphology for high-efficiency solar cells[J]. RSC ADVANCES,2018,8(2):987-993. |
| APA | Zhang, XN.,Ji, GW.,Xiong, DB.,Su, ZH.,Zhao, B.,...&Gao, XY.(2018).Graphene oxide as an additive to improve perovskite film crystallization and morphology for high-efficiency solar cells.RSC ADVANCES,8(2),987-993. |
| MLA | Zhang, XN,et al."Graphene oxide as an additive to improve perovskite film crystallization and morphology for high-efficiency solar cells".RSC ADVANCES 8.2(2018):987-993. |
入库方式： OAI收割
来源：上海应用物理研究所
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