Simple organic donors based on halogenated oligothiophenes for all small molecule solar cells with efficiency over 11%

doi:10.1039/d0ta00159g

	Simple organic donors based on halogenated oligothiophenes for all small molecule solar cells with efficiency over 11%
	Duan, Tainan 1,6; Gao, Jie 1; Xu, Tongle 1; Kan, Zhipeng 1; Chen, Wenjing 2; Singh, Ranbir 3; Kini, Gururaj P.4; Zhong, Cheng 5; Yu, Donghong 6; Xiao, Zhengguo 2
刊名	JOURNAL OF MATERIALS CHEMISTRY A
	2020-03-28
卷号	8 期号:12 页码:5843-5847
ISSN号	2050-7488
DOI	10.1039/d0ta00159g
通讯作者	Singh, Ranbir(ranbir@dongguk.edu) ; Zhong, Cheng(zhongcheng@whu.edu.cn) ; Lu, Shirong(lushirong@cigit.ac.cn)
英文摘要	Recent work has emphasized the pivotal role of halogen substituents in the development of polymer donors or small-molecule (SM) acceptors for efficient bulk-heterojunction (BHJ) solar cells. However, the application of -F or -Cl substitutions in the design of SM donors is yet to receive similar considerations. In this contribution, we report a set of oligothiophene derivatives (2F7T and 2Cl7T) with halogenation at the central thienyl moiety. Such halogenation is shown to induce a sufficient increase in ionization potential (IP; i.e. deeper HOMO) to modify the electron-donating and -transporting characteristics of the molecules. When combined with a low-bandgap SM acceptor (Y6), the devices with 2Cl7T achieved power conversion efficiencies (PCEs) of up to ca. 11.5% (vs. ca. 2.5% for non-halogenated donor DRCN7T based devices), representing the best photovoltaic performance of oligothiophene donors.
资助项目	National Youth Thousand Program Project[R52A199Z11] ; National Special Funds for Repairing and Purchasing Scientific Institutions[Y72Z090Q10] ; Artificial Intelligence Key Project of Chongqing[cstc2017rgzn-zdyfX0030] ; National Natural Science Foundation of China[61805245] ; National Natural Science Foundation of China[21702202] ; National Natural Science Foundation of China[51873160] ; Youth Innovation Promotion Association CAS[2019373] ; CAS Pioneer Hundred Talents Program[Y82A060Q10] ; CAS Pioneer Hundred Talents Program[Y92A160Q10] ; Natural Science Foundation of Chongqing[cstc2019jcyj-msxm2027] ; Innovation Fund Denmark (INKA project) ; Sino-Danish Centre for Education and Research (SDC) ; Recruitment Program of Global Experts[R52A199Z10]
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000526703800031
内容类型	期刊论文
源URL	[http://119.78.100.138/handle/2HOD01W0/10794]
专题	中国科学院重庆绿色智能技术研究院
通讯作者	Singh, Ranbir; Zhong, Cheng; Lu, Shirong
作者单位	1.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 2.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, CAS Key Lab Strongly Coupled Quantum Matter Phys, Dept Phys, Hefei 230026, Anhui, Peoples R China 3.Dongguk Univ, Dept Energy & Mat Engn, Seoul, South Korea 4.Konkuk Univ, Dept Chem Engn, Seoul 05029, South Korea 5.Wuhan Univ, Coll Chem & Mol Sci, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan 430072, Peoples R China 6.Aalborg Univ, Dept Chem & Biosci, DK-9220 Aalborg, Denmark
推荐引用方式 GB/T 7714	Duan, Tainan,Gao, Jie,Xu, Tongle,et al. Simple organic donors based on halogenated oligothiophenes for all small molecule solar cells with efficiency over 11%[J]. JOURNAL OF MATERIALS CHEMISTRY A,2020,8(12):5843-5847.
APA	Duan, Tainan.,Gao, Jie.,Xu, Tongle.,Kan, Zhipeng.,Chen, Wenjing.,...&Lu, Shirong.(2020).Simple organic donors based on halogenated oligothiophenes for all small molecule solar cells with efficiency over 11%.JOURNAL OF MATERIALS CHEMISTRY A,8(12),5843-5847.
MLA	Duan, Tainan,et al."Simple organic donors based on halogenated oligothiophenes for all small molecule solar cells with efficiency over 11%".JOURNAL OF MATERIALS CHEMISTRY A 8.12(2020):5843-5847.