Optimizing the Crystallinity and Phase Separation of PTB7:PC71BM Films by Modified Graphene Oxide
Lv, CK; Zheng, F; Yang, XY; Bi, PQ; Niu, MS; Wang, YZ; Smith, TA; Ghiggino, KP; Hao, XT
2018
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
卷号122期号:5页码:2572-2581
文章类型期刊论文
摘要A facile method is proposed to obtain modified shorn graphene oxide (DDAB-sGO) with improved dispersion in organic solvents. Didodecyl dimethylammonium bromide (DDAB)-sGO, which exhibits good dispersibility in the nonpolar solvent o-dichlorobenzene, was obtained via the sono-Fenton reaction and DDAB ionic functionalization. DDAB-sGO was used in the preparation of conjugated polymer:fullerene blend composites. UV-visible absorption spectra, steady-state photoluminescence spectra, fluorescence decay, and grazing incidence X-ray scattering measurements were applied to characterize morphologies, structural features, and charge-transport characteristics of the composites. Doped into poly[[4,8bis [(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenecliyl]] (PTB7):[6,6]-phenyl C-71 butyric acid methyl ester (PC71BM) conjugated polymer blends, DDAB-sGO is shown to facilitate increased crystallinity and phase separation of PTB7 and PC71BM to achieve a more optimal morphology for bulk heterojunction solar cells, resulting in a similar to 12% enhancement in power conversion efficiency over the undoped PTB7:PC71BM blend.
关键词Heterojunction Solar-cells Conjugated Polymer Graphite Oxide Solvothermal Reduction Photovoltaic Cells Electric-field Hole Transport Quantum Dots Performance Poly(3-hexylthiophene)
DOI10.1021/acs.jpcc.7b11726
收录类别SCI
语种英语
WOS记录号WOS:000424955400014
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29097
专题中科院上海应用物理研究所2011-2018年
作者单位1.Lv, CK
2.Zheng, F
3.Yang, XY
4.Bi, PQ
5.Niu, MS
6.Wang, YZ
7.Smith, TA
8.Ghiggino, KP
9.Hao, XT
推荐引用方式
GB/T 7714
Lv, CK,Zheng, F,Yang, XY,et al. Optimizing the Crystallinity and Phase Separation of PTB7:PC71BM Films by Modified Graphene Oxide[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2018,122(5):2572-2581.
APA Lv, CK.,Zheng, F.,Yang, XY.,Bi, PQ.,Niu, MS.,...&Hao, XT.(2018).Optimizing the Crystallinity and Phase Separation of PTB7:PC71BM Films by Modified Graphene Oxide.JOURNAL OF PHYSICAL CHEMISTRY C,122(5),2572-2581.
MLA Lv, CK,et al."Optimizing the Crystallinity and Phase Separation of PTB7:PC71BM Films by Modified Graphene Oxide".JOURNAL OF PHYSICAL CHEMISTRY C 122.5(2018):2572-2581.
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