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题名: Photoinduced Charge Transport in a BHJ Solar Cell Controlled by an External Electric Field
作者: Li, Yongqing1, 3;  Feng, Yanting1, 2;  Sun, Mengtao1, 2
刊名: SCIENTIFIC REPORTS
发表日期: 2015-09-10
DOI: 10.1038/srep13970
卷: 5
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: This study investigated theoretical photoinduced charge transport in a bulk heterojunction (BHJ) solar cell controlled by an external electric field. Our method for visualizing charge difference density identified the excited state properties of photoinduced charge transfer, and the charge transfer excited states were distinguished from local excited states during electronic transitions. Furthermore, the calculated rates for the charge transfer revealed that the charge transfer was strongly influenced by the external electric field. The external electric field accelerated the rate of charge transfer by up to one order when charge recombination was significantly restrained. Our research demonstrated that photoinduced charge transport controlled by an external electric field in a BHJ solar cell is efficient, and the exciton dissociation is not the limiting factor in organic solar cells. Our research should aid in the rational design of a novel conjugated system of organic solar cells.
关键词[WOS]: DENSITY-FUNCTIONAL THEORY ;  RESOLVED 2ND-HARMONIC GENERATION ;  HOT EXCITON DISSOCIATION ;  ORGANIC SEMICONDUCTORS ;  RECOMBINATION DYNAMICS ;  ACCEPTOR SYSTEMS ;  INVERTED REGION ;  RESPONSE THEORY ;  POLYMER ;  ENERGY
语种: 英语
WOS记录号: WOS:000360983600002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146535
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Univ, Dept Phys, Shenyang 110036, Peoples R China
2.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing, Peoples R China
3.Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Li, Yongqing,Feng, Yanting,Sun, Mengtao. Photoinduced Charge Transport in a BHJ Solar Cell Controlled by an External Electric Field[J]. SCIENTIFIC REPORTS,2015,5.
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