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Single-junction fullerene solar cells with 10% efficiency and high open-circuit voltage approaching 1 V
Zhu, Dangqiang1; Bao, Xichang1; Ouyang, Dan1; Wang, Junyi1; Yuan, Xiyue1; Wang, Qian2; Zhou, Di1; Wen, Shuguang1; Yang, Renqiang1,3
Source PublicationNANO ENERGY
AbstractIt has been proven that the introduction of F atom and the replacement of alkyl side-chain with alkylthio substituent could be the effective side-chain strategies, to obtain the deep highest occupied molecular orbital (HOMO) energy level with little influence on the optical absorption, and in turn, the small photo energy loss (E-loss). In this work, we combine the advantages of D-A(pi)-Q-A(pi) strategy and the above side chain engineering, to construct a series of high-performance polymers P1-P3 with high open-circuit voltage (V-OC) of exceeding 0.90 V in the conventional solar cells. Meanwhile, small E(loss)s of 0.73-0.78 eV are achieved accompanying high V-OC and almost unchanged optical bandgaps of similar to 1.70 eV, which are the smaller values in comparison with that of the other high-performance polymer systems. More encouragingly, P2-based solar cells exhibit high PCE of 10.30% and V-OC of 0.97 V, which is one of the highest values for polymer/fullerene based solar cells. Our work not only demonstrates a series of high-efficiency new materials, but also strongly confirms that the combination of D-A(pi)-Q-A(pi) arrangement and rational side chain engineering is a very promising strategy to construct high-performance photovoltaic polymers with reduced energy loss.
KeywordPolymer Solar Cell D-a(Pi)-q-a(Pi) Type Thieno[3 High Open-circuit Voltage 4-b] Thiophene
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Funding OrganizationNational Natural Science Foundation of China(21604092 ; Ministry of Science and Technology of China(2014CB643501 ; China Postdoctoral Science Foundation(2017M610453) ; Youth Innovation Promotion Association CAS(2016194) ; 51573205 ; 2016YFE0115000 ; 51773220) ; 2010DFA52310)
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000411687800057
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Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Harbin Univ Sci & Technol, Coll Mat Sci & Engn, Harbin 150080, Heilongjiang, Peoples R China
3.South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Dangqiang,Bao, Xichang,Ouyang, Dan,et al. Single-junction fullerene solar cells with 10% efficiency and high open-circuit voltage approaching 1 V[J]. NANO ENERGY,2017,40:495-503.
APA Zhu, Dangqiang.,Bao, Xichang.,Ouyang, Dan.,Wang, Junyi.,Yuan, Xiyue.,...&Yang, Renqiang.(2017).Single-junction fullerene solar cells with 10% efficiency and high open-circuit voltage approaching 1 V.NANO ENERGY,40,495-503.
MLA Zhu, Dangqiang,et al."Single-junction fullerene solar cells with 10% efficiency and high open-circuit voltage approaching 1 V".NANO ENERGY 40(2017):495-503.
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