文献类型：期刊文献

中文题名：三维表面活性剂-石墨烯复合阴极界面材料在有机太阳能电池中的应用

英文题名：3D surfactant-dispersed graphenes as cathode interfacial materials for organic solar cells

作者：潘飞 柏松 魏娴 黎应芬 唐典勇 陈希文 吕梦岚 李永舫

第一作者：潘飞

通信作者：Lv, ML[1];Lv, ML[2];Li, YF[2];Li, YF[3]

机构：[1]Guizhou Inst Technol, Guiyang 550003, Peoples R China;[2]Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China;[3]Chongqing Univ Arts & Sci, Int Acad Targeted Therapeut & Innovat, Chongqing Engn Lab Targeted & Innovat Therapeut, Chongqing 402160, Peoples R China;[4]Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China;[5]Guangzhou Polyforte Chem Technol Co LTD, Guangzhou 510520, Peoples R China

第一机构：贵州理工学院

通信机构：corresponding author), Guizhou Inst Technol, Guiyang 550003, Peoples R China;corresponding author), Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China;corresponding author), Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China.|贵州理工学院;

年份：2021

卷号：64

期号：2

起止页码：277-287

中文期刊名：中国科学：材料科学（英文版）

外文期刊名：SCIENCE CHINA-MATERIALS

收录：;EI(收录号：20203008979273);Scopus;WOS:【SCI-EXPANDED(收录号:WOS:000551752200001)】；CSCD:【CSCD2021_2022】；PubMed;

基金：This work was supported by the National Natural Science Foundation of China (51820105003, 51863002 and 51973042), and the Excellent Young Scientific and Technological Talents of Guizhou, China (QKHPTRC [2019]5652).

语种：中文

中文关键词：有机太阳能电池;能量转换效率;界面修饰;复合阴极;偶极相互作用;石墨烯;界面材料;电子产品;

外文关键词：organic solar cells;interfaces;3D cathode interfacial materials;graphene composites

摘要：低沸点绿色溶剂中分散石墨烯可广泛应用于涂料、导电油墨、电池、电子产品和太阳能电池等领域.研究发现,在乙醇溶液中,两种三维阴极界面材料POSSFN和ADMAFN分散石墨烯的浓度可达到0.97–1.18 mg mL^-1,通过计算得知这两种材料在石墨烯表面具有较大的吸附能.通过ESR、Raman、SKPM和XPS等测试手段证实,POSSFN侧链上的氨基能够与石墨烯发生n-掺杂作用;而AD-MAFN与石墨烯之间能够形成偶极相互作用.两种三维界面修饰-石墨烯复合材料(POSSFN-G和ADMAFN-G)均可作为阴极界面修饰材料应用于有机太阳能电池中,并使基于PM6:Y6光活性层的有机太阳能电池的能量转换效率(PCE)提高到了15.9%–16.1%,其中基于存在偶极相互作用的复合材料ADMAFN-G阴极修饰层的有机太阳能电池的PCE达到16.11%;使用存在n-掺杂作用的POSSFN-G阴极修饰层的器件,在厚膜状态下依然可获得较高的能量转换效率.
Graphene dispersions in low-boiling-point green solvents have wide applications in coatings,conducting inks,batteries,electronics and solar cells.Two three-dimensional(3D)cathode interfacial materials(CIMs)(1,3,5,7,9,11,13,15-octa-(9-bis(30-(N,N-dimethylamino)propyl)-2,7-fluorene)-vinylpentacyclo-octasiloxane)(POSSFN)and(1,3,5,7-tetra-(9-bis(30-(N,N-dimethylamino)propyl)-2,7-fluorene)-adamantane)(ADMAFN)are excellent surfactants for dispersing graphene in ethanol at the concentration of 0.97–1.18 mg mL?1,in agreement with their calculated large adsorption energies on graphene.The results of electron spin resonance,Raman,scanning Kelvin probe microscopy and X-ray photoelectron spectroscopy measurements indicate that the amino groups could n-dope graphene or form dipole interaction with graphene.The two 3D-surfactant-based graphene composites(POSSFN-G and ADMAFN-G)can work as high-performance CIMs in organic solar cells(OSCs),which improve the power conversion efficiency(PCE)of the OSCs based on PM6:Y6 to 15.9%–16.1%.ADMAFN forms dipole interaction with graphene in ADMAFN-G and the composite CIM delivers high PCE of 16.11%in the OSCs,while POSSFN forms n-doped composition with graphene in POSSFN-G which works well as thicker CIM film in the OSCs.