Graphdiyne Quantum Dots for Much Improved Stability and Efficiency of Perovskite Solar Cells
文献类型：期刊论文
| 作者 | Zhang, Xisheng1,2; Wang, Qian1; Jin, Zhiwen1; Chen, Yanhuan3; Liu, Huibiao3; Wang, Jizheng3; Li, Yuliang3; Liu, Shengzhong (Frank)1,4 |
| 刊名 | ADVANCED MATERIALS INTERFACES
 |
| 出版日期 | 2018-01-23 |
| 卷号 | 5期号:2 |
| 关键词 | Efficiency Graphdiyne Perovskite Quantum Dots Stability |
| ISSN号 | 2196-7350 |
| DOI | 10.1002/admi.201701117 |
| 文献子类 | Article |
| 英文摘要 | Comparing to other carbon materials, the general graphyne structure is much superior in terms of adaptable bandgap, uniformly distributed pores, more design flexibility, easier for chemical synthesis, pliable electronic properties, and smaller atomic density. Herein, novel -graphdiyne quantum dots (GD QDs) are used in perovskite solar cells as a surface modifier or dopant to TiO2, CH3NH3PbI3, and Spiro-OMeTAD to realize multiple advantageous effects, in hoping that it would form a more effective carrier transport channel for boosted solar cell performance. First, the presence of GD QDs on TiO2 surface increases perovskite grain size for higher current density and fill factor. Second, the GD QDs at each interface reduce the conduction band offset, passivate the surface for suppressed carrier recombination to attain higher open-circuit voltage. Third, it improves hydrophobicity and eliminates pinholes in the Spiro-OMeTAD film for enhanced solar cell stability. As a result, the optimized device shows >15% enhancement in power conversion efficiency (from 17.17 to 19.89%) comparing to the reference device. More significantly, the device stability was improved in harsh environment (moist air, UV irradiation, or thermal conditions). It is expected that GD QDs will find their applications in efficient and stable perovskite solar cells and optoelectronic devices. |
| WOS关键词 | OPEN-CIRCUIT VOLTAGE ; ELECTRON EXTRACTION ; HALIDE PEROVSKITES ; TRANSPORT LAYER ; PERFORMANCE ; PASSIVATION ; TIO2 ; MONOLAYER ; INTERFACE ; GRAPHYNE |
| WOS研究方向 | Chemistry ; Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000423173800015 |
| 出版者 | WILEY |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/168466]  |
| 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 | Jin, Zhiwen; Wang, Jizheng; Li, Yuliang; Liu, Shengzhong (Frank) |
| 作者单位 | 1.Shaanxi Normal Univ, Shaanxi Engn Lab Adv Energy Technol, Shaanxi Key Lab Adv Energy Devices,Sch Mat Sci &, Natl Minist Educ,Key Lab Appl Surface & Colloid C, Xian 710119, Shaanxi, Peoples R China 2.Yuncheng Univ, Dept Phys & Elect Engn, Yuncheng 044000, Peoples R China 3.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Organ Solids, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xisheng,Wang, Qian,Jin, Zhiwen,et al. Graphdiyne Quantum Dots for Much Improved Stability and Efficiency of Perovskite Solar Cells[J]. ADVANCED MATERIALS INTERFACES,2018,5(2). |
| APA | Zhang, Xisheng.,Wang, Qian.,Jin, Zhiwen.,Chen, Yanhuan.,Liu, Huibiao.,...&Liu, Shengzhong .(2018).Graphdiyne Quantum Dots for Much Improved Stability and Efficiency of Perovskite Solar Cells.ADVANCED MATERIALS INTERFACES,5(2). |
| MLA | Zhang, Xisheng,et al."Graphdiyne Quantum Dots for Much Improved Stability and Efficiency of Perovskite Solar Cells".ADVANCED MATERIALS INTERFACES 5.2(2018). |
入库方式： OAI收割
来源：大连化学物理研究所
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