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Highly Efficient Inverted Structural Quantum Dot Solar Cells | |
2018-02-15 | |
发表期刊 | ADVANCED MATERIALS
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ISSN | 0935-9648 |
卷号 | 30期号:7 |
发表状态 | 已发表 |
DOI | 10.1002/adma.201704882 |
摘要 | Highly efficient PbS colloidal quantum dot (QD) solar cells based on an inverted structure have been missing for a long time. The bottlenecks are the construction of an effective p-n heterojunction at the illumination side with smooth band alignment and the absence of serious interface carrier recombination. Here, solution-processed nickel oxide (NiO) as the p-type layer and lead sulfide (PbS) QDs with iodide ligand as the n-type layer are explored to build a p-n heterojunction at the illumination side. The large depletion region in the QD layer at the illumination side leads to high photocurrent. Interface carrier recombination at the interface is effectively prohibited by inserting a layer of slightly doped p-type QDs with 1,2-ethanedithiol as ligands, leading to improved voltage of the device. Based on this graded device structure design, the efficiency of inverted structural heterojunction PbS QD solar cells is improved to 9.7%, one time higher than the highest efficiency achieved before. |
关键词 | band alignment colloidal quantum dots inverted structural solar cells photovoltaic devices |
收录类别 | SCI ; SCIE ; EI |
语种 | 英语 |
资助项目 | Science and Technology Commission of Shanghai Municipality[16JC1402100] ; Science and Technology Commission of Shanghai Municipality[16520720700] |
WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
WOS类目 | Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter |
WOS记录号 | WOS:000424891900017 |
出版者 | WILEY-V C H VERLAG GMBH |
EI入藏号 | 20180704807943 |
EI主题词 | Efficiency ; Heterojunctions ; Lead compounds ; Ligands ; Nanocrystals ; Nickel compounds ; Nickel oxide ; Semiconductor quantum dots ; Solar cells ; Solar power generation ; Sulfur compounds |
EI分类号 | Solar Power:615.2 ; Solar Cells:702.3 ; Semiconductor Devices and Integrated Circuits:714.2 ; Nanotechnology:761 ; Physical Chemistry:801.4 ; Inorganic Compounds:804.2 ; Production Engineering:913.1 ; Quantum Theory ; Quantum Mechanics:931.4 |
WOS关键词 | HALIDE PASSIVATION ; PHOTOVOLTAICS ; SOLIDS ; PERFORMANCE ; NANOCRYSTALS ; ASSEMBLIES ; LAYER |
原始文献类型 | Article |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/16299 |
专题 | 物质科学与技术学院 物质科学与技术学院_PI研究组_宁志军组 物质科学与技术学院_硕士生 物质科学与技术学院_本科生 物质科学与技术学院_博士生 |
共同第一作者 | Wu, Xun; Xu, Kaimin |
通讯作者 | Ning, Zhijun |
作者单位 | 1.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China 2.Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China 3.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100190, Peoples R China |
第一作者单位 | 物质科学与技术学院 |
通讯作者单位 | 物质科学与技术学院 |
第一作者的第一单位 | 物质科学与技术学院 |
推荐引用方式 GB/T 7714 | Wang, Ruili,Wu, Xun,Xu, Kaimin,et al. Highly Efficient Inverted Structural Quantum Dot Solar Cells[J]. ADVANCED MATERIALS,2018,30(7). |
APA | Wang, Ruili.,Wu, Xun.,Xu, Kaimin.,Zhou, Wenjia.,Shang, Yuequn.,...&Ning, Zhijun.(2018).Highly Efficient Inverted Structural Quantum Dot Solar Cells.ADVANCED MATERIALS,30(7). |
MLA | Wang, Ruili,et al."Highly Efficient Inverted Structural Quantum Dot Solar Cells".ADVANCED MATERIALS 30.7(2018). |
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