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DOI10.1039/c9ee02433f
Solution-processable n-doped graphene-containing cathode interfacial materials for high-performance organic solar cells
Pan F.; Sun C.; Li Y.; Tang D.; Zou Y.; Li X.; Bai S.; Wei X.; Lv M.; Chen X.; Li Y.
发表日期2019
ISSN17545692
起始页码3400
结束页码3411
卷号12期号:11
英文摘要Interface engineering is a critical factor in achieving high photovoltaic performances for large-Area, printable, flexible and low cost organic solar cells (OSCs). Herein, we developed a solution-processable n-doped graphene cathode interfacial material (CIM) PDINO-G for OSCs by adding graphene to the classic material PDINO ((N,N-dimethyl-Ammonium N-oxide)propyl perylene diimide). The dispersed graphene in PDINO-G was n-doped by the nitroxide radical of N-oxide in PDINO, which was certified by the ESR, Raman spectroscopy and XPS results. The n-doped PDINO-G CIM possessed increased conductivity, lower work function, reduced charge recombination and increased charge extraction rate. Previously, n-doped graphene was prepared only on the surface of chemical vapor-deposited (CVD) graphene films without solution processability. The effect of the CIM on the photovoltaic performance of OSCs was studied by selecting the photovoltaic model system of PTQ10 as the donor and IDIC-2F as the acceptor. The OSCs based on PTQ10:IDIC-2F with PDINO-G CIM demonstrated the best power conversion efficiency (PCE) of 13.01%, which was significantly enhanced in comparison with that of the devices without graphene modification on the PDINO CIM (12.23%). The universality of the high performance PDINO-G CIM was verified in two other photovoltaic systems based on PTQ10:IDIC and PM6:Y6. Especially, the single junction bulk heterojunction OSCs based on PM6:Y6 with PDINO-G CIM displayed a high PCE of 16.52% (average PCE of 16.3 ± 0.2%). The results indicate that the n-doped PDINO-G is an excellent CIM for OSCs. Furthermore, this PDINO-doped graphene can be applied in other optoelectronic devices such as tandem OSCs, organic light-emitting diodes, and high-performance perovskite solar cells as a cathode interfacial material considering its advantages of solution processability, low work function and high conductivity. This journal is © The Royal Society of Chemistry.
英文关键词Cathodes; Cell engineering; Chemical vapor deposition; Cost engineering; Electron spin resonance spectroscopy; Graphene; Graphene devices; Heterojunctions; Organic light emitting diodes (OLED); Organic solar cells; Perovskite; Perovskite solar cells; Photovoltaic cells; Photovoltaic effects; Solar power generation; Work function; Charge recombinations; Chemical vapor deposited; Interface engineering; Other opto-electronic devices; Photovoltaic performance; Power conversion efficiencies; Solution processability; Solution processable; Doping (additives); chemical compound; detection method; electrode; electronic equipment; equipment; fuel cell; performance assessment; photovoltaic system
语种英语
来源期刊Energy & Environmental Science
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/189786
作者单位School of Chemical Engineering, Guizhou Institute of Technology, Guiyang Guizhou, 550003, China; Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Chinese Academy of Sciences, Beijing, 100190, China; School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China; Chongqing Engineering Laboratory of Targeted and Innovative Therapeutics, International Academy of Targeted Therapeutics and Innovation, Chongqing University of Arts and Sciences, Chongqing, 402160, China; College of Chemistry and Chemical Engineering, Central South University, Changsha Hunan, 410083, China; Guangzhou Polyforte Chemical Technology Co. LTD, Guangzhou Guangdong, 510520, China
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Pan F.,Sun C.,Li Y.,et al. Solution-processable n-doped graphene-containing cathode interfacial materials for high-performance organic solar cells[J],2019,12(11).
APA Pan F..,Sun C..,Li Y..,Tang D..,Zou Y..,...&Li Y..(2019).Solution-processable n-doped graphene-containing cathode interfacial materials for high-performance organic solar cells.Energy & Environmental Science,12(11).
MLA Pan F.,et al."Solution-processable n-doped graphene-containing cathode interfacial materials for high-performance organic solar cells".Energy & Environmental Science 12.11(2019).
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