Goldschmidt-rule-deviated perovskite CsPbIBr(2)by barium substitution for efficient solar cells
文献类型：期刊论文
| 作者 | Subhani, Waqas Siddique1,2; Wang, Kai2; Du, Minyong2; Liu, Shengzhong Frank2,3 |
| 刊名 | NANO ENERGY
 |
| 出版日期 | 2019-07-01 |
| 卷号 | 61页码:165-172 |
| 关键词 | Barium substitution Inorganic perovskite Goldschmidt rule Tolerance factor Perovskite solar cells |
| ISSN号 | 2211-2855 |
| DOI | 10.1016/j.nanoen.2019.04.066 |
| 通讯作者 | Wang, Kai(szliu@dicp.ac.cn) ; Liu, Shengzhong Frank() |
| 英文摘要 | All-inorganic Br-rich perovskite photovoltaics with excellent stability have gained ever-increasing attention despite their slightly lower efficiency. Nowadays, trace heteroatom substitution has become a plausible approach to optimize perovskite properties as well as device performance. However, the substitution is limited by the Goldschmidt tolerance factor (t, 0.8 < t < 1.0), leading to the situation that the alternative deviating from the Goldschmidt rule is always overlooked, let alone utilized to enhance performance. Given this, Ba(II) is partially substituted for Pb(II) in CsPbIBr2 to investigate how the dopants-induced deviation from the Goldschmidt rule would affect perovskite property. Intriguingly, the result verifies that Ba(II) enables increased the grain size and enhances the crystallinity of CsPbIBr2. As such, the trap state density is reduced and the non-radiative recombination in the perovskite is suppressed. These advantages bring about an increase of the power conversion efficiency (PCE) of Ba(II)-doped devices to 10.51%, outperforming that (8.4%) of the pristine counterpart. In addition, the perovskite stability is immune to Ba(II) substitution, even though it inflates the perovskite crystal lattice. These findings indicate that the perovskite films are tolerant to homovalent heteroatoms with a larger radius, stimulating further development of perovskite substitution engineering. |
| WOS关键词 | HALIDE PEROVSKITES ; PERFORMANCE ; STRONTIUM ; JUNCTION ; HYSTERESIS ; STABILITY ; LIMITS |
| 资助项目 | National Natural Science Foundation of China of China[21805274] ; National Natural Science Foundation of China of China[61674098] ; Doctor Startup Foundation of Liaoning Province[20180540099] ; 111 Project[B1404] ; National Key Research Program of China[2016YFA0202403] |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000471201800021 |
| 出版者 | ELSEVIER SCIENCE BV |
| 资助机构 | National Natural Science Foundation of China of China ; National Natural Science Foundation of China of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China of China ; National Natural Science Foundation of China of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China of China ; National Natural Science Foundation of China of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China of China ; National Natural Science Foundation of China of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/175676]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 通讯作者 | Wang, Kai; Liu, Shengzhong Frank |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, iChEM, Dalian 116023, Liaoning, Peoples R China 3.Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Engn Lab Adv Energy Technol, Minist Educ,Key Lab Appl Surface & Colloid Chem, Xian 710119, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Subhani, Waqas Siddique,Wang, Kai,Du, Minyong,et al. Goldschmidt-rule-deviated perovskite CsPbIBr(2)by barium substitution for efficient solar cells[J]. NANO ENERGY,2019,61:165-172. |
| APA | Subhani, Waqas Siddique,Wang, Kai,Du, Minyong,&Liu, Shengzhong Frank.(2019).Goldschmidt-rule-deviated perovskite CsPbIBr(2)by barium substitution for efficient solar cells.NANO ENERGY,61,165-172. |
| MLA | Subhani, Waqas Siddique,et al."Goldschmidt-rule-deviated perovskite CsPbIBr(2)by barium substitution for efficient solar cells".NANO ENERGY 61(2019):165-172. |
入库方式： OAI收割
来源：大连化学物理研究所
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