Crystalline Medium-Bandgap Light-Harvesting Donor Material Based on beta-Naphthalene Asymmetric-Modified Benzodithiophene Moiety toward Efficient Polymer Solar Cells

doi:10.1021/acs.chemmater.7b02495

CORC > 青岛生物能源与过程研究所 > 中国科学院青岛生物能源与过程研究所 > 先进有机功能材料团队

	Crystalline Medium-Bandgap Light-Harvesting Donor Material Based on beta-Naphthalene Asymmetric-Modified Benzodithiophene Moiety toward Efficient Polymer Solar Cells
	Li, Yonghai 1; Liu, Deyu 1,4; Wang, Junyi 1,4; Zhang, Zhi-Guo 3; Li, Yongfang 3; Liu, Yanfang 1; Zhu, Tingting 2; Bao, Xichang 1; Sun, Mingliang 2; Yang, Renqiang 1
刊名	CHEMISTRY OF MATERIALS
	2017-10-10
卷号	29 期号:19 页码:8249-8257
DOI	10.1021/acs.chemmater.7b02495
文献子类	Article
英文摘要	In this paper, we reported a crystalline p-type medium-bandgap conjugated D-A polymer asy-PBDBTN based on a symmetry-breaking-modified BDT moiety to combine the advantages of both one-dimension (1D) and two-dimension (2D) symmetric BDTs. Polymer asy-PBDBTN is a highly efficient light-harvesting donor material. Single BHJ PSCs exhibit PCE of 8.88% with PC71BM as acceptor. Also, PCE values of 10.50% are achieved with the use of ITIC as an acceptor to couple asy-PBDBTN with V-oc of 0.942 V, J(SC) of 16.81 mA cm(-2), and FF of 0.663. It is worth noting that lower energy loss is obtained in fullerene-free-based PSCs, which is essential to overcome the trade-off between Voc and J(SC) and boost these two parameters simultaneously for high photovoltaic performance. The combination process of additive and thermal annealing is critical to enhance and retain the pi-pi stacking behavior of donor and fullerene-free acceptor; as a result, the trap-assisted recombination was greatly suppressed. This work demonstrates a great prospect for the construction of the symmetry-breaking BDT-based D-A conjugated polymers toward high-performance PSCs, especially with fullerene-free acceptor material.
WOS关键词	POWER CONVERSION EFFICIENCY ; OPEN-CIRCUIT VOLTAGE ; ELECTRON-ACCEPTORS ; PHOTOVOLTAIC POLYMERS ; ORGANIC ELECTRONICS ; SINGLE-JUNCTION ; EXCITED-STATES ; ENERGY-LOSSES ; PERFORMANCE ; FULLERENE
WOS研究方向	Chemistry ; Materials Science
语种	英语
WOS记录号	WOS:000412965800026
资助机构	National Natural Science Foundation of China(21502205 ; China Postdoctoral Science Foundation(2016T90656) ; Youth Innovation Promotion Association CAS(2016194) ; 51573205)
内容类型	期刊论文
源URL	[http://ir.qibebt.ac.cn/handle/337004/9561]
专题	青岛生物能源与过程研究所_先进有机功能材料团队
作者单位	1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China 2.Ocean Univ China, Inst Mat Sci & Engn, Qingdao 266100, Peoples R China 3.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Li, Yonghai,Liu, Deyu,Wang, Junyi,et al. Crystalline Medium-Bandgap Light-Harvesting Donor Material Based on beta-Naphthalene Asymmetric-Modified Benzodithiophene Moiety toward Efficient Polymer Solar Cells[J]. CHEMISTRY OF MATERIALS,2017,29(19):8249-8257.
APA	Li, Yonghai.,Liu, Deyu.,Wang, Junyi.,Zhang, Zhi-Guo.,Li, Yongfang.,...&Yang, Renqiang.(2017).Crystalline Medium-Bandgap Light-Harvesting Donor Material Based on beta-Naphthalene Asymmetric-Modified Benzodithiophene Moiety toward Efficient Polymer Solar Cells.CHEMISTRY OF MATERIALS,29(19),8249-8257.
MLA	Li, Yonghai,et al."Crystalline Medium-Bandgap Light-Harvesting Donor Material Based on beta-Naphthalene Asymmetric-Modified Benzodithiophene Moiety toward Efficient Polymer Solar Cells".CHEMISTRY OF MATERIALS 29.19(2017):8249-8257.