DICP OpenIR
Photoinduced Charge Transport in a BHJ Solar Cell Controlled by an External Electric Field
Li, Yongqing1,3; Feng, Yanting1,2; Sun, Mengtao1,2
Source PublicationSCIENTIFIC REPORTS
2015-09-10
DOI10.1038/srep13970
Volume5
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology
WOS SubjectMultidisciplinary Sciences
WOS Research AreaScience & Technology - Other Topics
WOS KeywordDENSITY-FUNCTIONAL THEORY ; RESOLVED 2ND-HARMONIC GENERATION ; HOT EXCITON DISSOCIATION ; ORGANIC SEMICONDUCTORS ; RECOMBINATION DYNAMICS ; ACCEPTOR SYSTEMS ; INVERTED REGION ; RESPONSE THEORY ; POLYMER ; ENERGY
AbstractThis 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.
Language英语
WOS IDWOS:000360983600002
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146535
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
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.
APA Li, Yongqing,Feng, Yanting,&Sun, Mengtao.(2015).Photoinduced Charge Transport in a BHJ Solar Cell Controlled by an External Electric Field.SCIENTIFIC REPORTS,5.
MLA Li, Yongqing,et al."Photoinduced Charge Transport in a BHJ Solar Cell Controlled by an External Electric Field".SCIENTIFIC REPORTS 5(2015).
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