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Enhanced Organic Photovoltaic Performance through Modulating Vertical Composition Distribution and Promoting Crystallinity of the Photoactive Layer by Diphenyl Sulfide Additives
Li, JF; Wang, YF; Liang, ZZ; Wang, NN; Tong, JF; Yang, CM; Bao, XC; Xia, YJ
2019
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume11Issue:7Pages:7022—7029
Subtype期刊论文
AbstractTo understand the vertical phase separation in the bulk junction active layer of organic photovoltaic devices is essential for controlling the charge transfer behavior and achieving effective charge collection. Here, diphenyl sulfide (DPS) was introduced as a novel additive into the PTB7-Th:PC71BM-based inverted polymer solar cells (PSCs), and the effect of additives on active blend films and photovoltaic characteristics was carefully studied. The results show that DPS could not only modulate the vertical composition distribution but also promote the ordered molecular packing of the photoactive layer, thus effectively improving exciton dissociation, charge transport, and collection, and thus exhibit an excellent power conversion efficiency of 9.7% with an improved fill factor (>70%) after using 3% DPS additive. The results show that the DPS solvent additive can effectively adjust the vertical phase distribution and crystallinity of blend films and improve the photovoltaic performance of the inverted organic photovoltaic devices.
KeywordPOLYMER SOLAR-CELLS FINE-TUNED CRYSTALLINITY OPEN-CIRCUIT VOLTAGE SMALL-MOLECULE CONJUGATED POLYMER SELF-ORGANIZATION PHASE-SEPARATION EFFICIENCY RECOMBINATION PROPERTY
DOI10.1021/acsami.8b20466
Indexed BySCI
Language英语
Citation statistics
Cited Times:57[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31603
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Lanzhou Jiaotong Univ, Sch Mat Sci & Engn, Lanzhou 730070, Peoples R China;
2.Lanzhou Jiaotong Univ, Educ Minist, Key Lab Optoelect Technol & Intelligent Control, Lanzhou 730070, Peoples R China;
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China;
4.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
Recommended Citation
GB/T 7714
Li, JF,Wang, YF,Liang, ZZ,et al. Enhanced Organic Photovoltaic Performance through Modulating Vertical Composition Distribution and Promoting Crystallinity of the Photoactive Layer by Diphenyl Sulfide Additives[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(7):7022—7029.
APA Li, JF.,Wang, YF.,Liang, ZZ.,Wang, NN.,Tong, JF.,...&Xia, YJ.(2019).Enhanced Organic Photovoltaic Performance through Modulating Vertical Composition Distribution and Promoting Crystallinity of the Photoactive Layer by Diphenyl Sulfide Additives.ACS APPLIED MATERIALS & INTERFACES,11(7),7022—7029.
MLA Li, JF,et al."Enhanced Organic Photovoltaic Performance through Modulating Vertical Composition Distribution and Promoting Crystallinity of the Photoactive Layer by Diphenyl Sulfide Additives".ACS APPLIED MATERIALS & INTERFACES 11.7(2019):7022—7029.
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