Band Alignment Boosts Charge-Carrier Collection in Sn-based Perovskite over Pb Counterparts
文献类型：期刊论文
| 作者 | Li, Binghan; Long, Ruiying; Yao, Qishun; Zhu, Zihao; Mi, Qixi |
| 刊名 | JOURNAL OF PHYSICAL CHEMISTRY LETTERS
 |
| 出版日期 | 2019-07-04 |
| 卷号 | 10期号:13页码:3699 |
| ISSN号 | 1948-7185 |
| DOI | 10.1021/acs.jpclett.9b01405 |
| 文献子类 | Article |
| 英文摘要 | The diverse elemental compositions endow metal halide perovskites with tailorable electronic structures and broad optoelectronic applications. For Sn-based perovskites, their bandedge positions, which govern interfacial charge-carrier transport, are less well studied than their Pb counterparts. In this work, the valence band maximum (VBM) of CsSnBr3 was experimentally and theoretically determined to be -5.2 eV, to which Au forms a good contact. The conduction band minimum (CBM) of CsSnBr3 at 3.4 eV is matched by 1,3,5-tris(4-phenylquinolin-2-yl)benzene (TQB), an organic electron transport material and a ligand to Sn(II). Thanks to proper band alignment, the device structure Al/TQB/CsSnBr3/Au constitutes a photodetector responsive to the entire visible spectrum without a bias voltage and outperforms Pb-based devices under similar conditions. Our results highlight the advantage of combined experimental and theoretical tools in understanding intrinsic material properties and guiding device fabrication. |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.sic.ac.cn/handle/331005/26990]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 推荐引用方式 GB/T 7714 | Li, Binghan,Long, Ruiying,Yao, Qishun,et al. Band Alignment Boosts Charge-Carrier Collection in Sn-based Perovskite over Pb Counterparts[J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS,2019,10(13):3699. |
| APA | Li, Binghan,Long, Ruiying,Yao, Qishun,Zhu, Zihao,&Mi, Qixi.(2019).Band Alignment Boosts Charge-Carrier Collection in Sn-based Perovskite over Pb Counterparts.JOURNAL OF PHYSICAL CHEMISTRY LETTERS,10(13),3699. |
| MLA | Li, Binghan,et al."Band Alignment Boosts Charge-Carrier Collection in Sn-based Perovskite over Pb Counterparts".JOURNAL OF PHYSICAL CHEMISTRY LETTERS 10.13(2019):3699. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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