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Versatile control of concentration gradients in non-fullerene acceptor-based bulk heterojunction films using solvent rinse treatments
文献摘要：
Solvent rinse treatments using polar methanol(MeOH)and nonpolar n-hexane have been developed for controlling material concentration gradients along the longitudinal direction of non-fullerene acceptor-based bulk heterojunction(BHJ)films comprised of electron donor polymer,PBDB-T and acceptor,ITIC-m.Before the used solvents(chlorobenzene with 1 vol％DIO)were completely evaporated,ITIC-m rich domains were formed at the top surface of the BHJ films after they were rinsed with MeOH,as evidenced by water contact angle,atomic force mi-croscopy,time-of-flight secondary ion mass spectroscopy,which led to enhanced electron transport in the conventional structure of organic solar cells(OSCs).In contrast,after rinsing with n-hexane,ITIC-m rich domains were formed at the bottom surface of the films,which improved electron transport in the inverted structure OSCs.The enhanced carrier transports increased the PCEs(11.80％and 11.15％)in both conventional and inverted OSCs by 10.29％and 10.35％compared with control devices.The versatile control of material concentration gradients is deter-mined to be feasible owing to the chemical interaction of the used substrates(glass,PEDOT:PSS,and ZnO)and rinsing solvents.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[2] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[3] 医药、卫生（R） / 神经病学与精神病学（R74） / 神经病学（R741）
作者姓名：
Chang-Mok Oh;Soyeong Jang;Jihoon Lee;Sung Heum Park;In-Wook Hwang
作者机构：
Advanced Photonics Research Institute,Gwangju Institute of Science and Technology,Gwangju,61005,Republic of Korea;Department of Physics,Pukyong National University,Busan,48513,Republic of Korea
文献出处：
绿色能源与环境（英文）
引用格式：
[1]Chang-Mok Oh;Soyeong Jang;Jihoon Lee;Sung Heum Park;In-Wook Hwang-.Versatile control of concentration gradients in non-fullerene acceptor-based bulk heterojunction films using solvent rinse treatments)[J].绿色能源与环境（英文）,2022(05):1102-1110
A类：
rinse,rinsed,rinsing
B类：
Versatile,concentration,gradients,fullerene,acceptor,bulk,heterojunction,films,using,treatments,Solvent,methanol,MeOH,nonpolar,hexane,have,been,developed,controlling,material,along,longitudinal,direction,BHJ,comprised,electron,donor,polymer,PBDB,ITIC,Before,used,solvents,chlorobenzene,vol,DIO,were,completely,evaporated,rich,domains,formed,top,surface,after,they,evidenced,by,water,contact,angle,atomic,force,croscopy,flight,secondary,mass,spectroscopy,which,led,enhanced,conventional,structure,organic,solar,cells,OSCs,In,contrast,bottom,improved,inverted,carrier,transports,increased,PCEs,both,compared,devices,versatile,deter,mined,feasible,owing,chemical,interaction,substrates,glass,PEDOT,PSS,ZnO
AB值：
0.532691
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