TY - JOUR
T1 - Design and synthesis of indole-substituted fullerene derivatives with different side groups for organic photovoltaic devices
AU - Wang, Ning
AU - Bao, Xichang
AU - Yang, Chunpeng
AU - Wang, Jun
AU - Woo, Han Young
AU - Lan, Zhenggang
AU - Chen, Weichao
AU - Yang, Renqiang
N1 - Funding Information:
This work was supported by the Ministry of Science and Technology of China ( 2010DFA52310 ), National Natural Science Foundation of China ( 21204097 , 51173199 , 61107090 ), Chinese Academy of Sciences (“One Hundred Talented Program”, and KGCX2-YW-399+9-2), Department of Science and Technology of Shandong Province ( 2010GGC10345 ), Shandong Provincial Natural Science Foundation ( ZR2011BZ007 ), and Qingdao Municipal Science and Technology Program ( 11-2-4-22-hz ).
PY - 2013/2
Y1 - 2013/2
N2 - A series of indole-substituted fulleropyrrolidine derivatives with different side groups on a pyrrolidine rings, including methyl (OIMC60P), benzyl (OIBC60P), 2,5-difluoroinebenzyl (OIB2FC60P), and 2,3,4,5,6- pentafluoroinebenzyl (OIB5FC60P), have been synthesized and used as electron acceptor in the active layer of polymer-fullerene solar cells to investigate the effect of various substitute groups on the electronic structures, morphologies, and device performances. Optical absorption, electrochemical properties and solubility of the fullerene derivatives have been explored and compared. The inverted photovoltaic devices with the configuration ITO/ZnO/Poly(3- hexylthiophene)(P3HT):[60]fullerene derivatives/MoO3/Ag have been prepared including the reference cell based on the P3HT: methyl [6,6]-phenyl-C61-butylate (PCBM) blend films. All the devices properties were measured in air without encapsulation. We also investigated the effect of the thermal annealing on the crystallinity and morphology of the active layer and the device performance. The device based on the blend film of P3HT and OIBC60P showed a power conversion efficiency of 2.46% under illumination by AM1.5G (100 mW/cm2) after the annealing treatment at 120 °C for 10 min in air.
AB - A series of indole-substituted fulleropyrrolidine derivatives with different side groups on a pyrrolidine rings, including methyl (OIMC60P), benzyl (OIBC60P), 2,5-difluoroinebenzyl (OIB2FC60P), and 2,3,4,5,6- pentafluoroinebenzyl (OIB5FC60P), have been synthesized and used as electron acceptor in the active layer of polymer-fullerene solar cells to investigate the effect of various substitute groups on the electronic structures, morphologies, and device performances. Optical absorption, electrochemical properties and solubility of the fullerene derivatives have been explored and compared. The inverted photovoltaic devices with the configuration ITO/ZnO/Poly(3- hexylthiophene)(P3HT):[60]fullerene derivatives/MoO3/Ag have been prepared including the reference cell based on the P3HT: methyl [6,6]-phenyl-C61-butylate (PCBM) blend films. All the devices properties were measured in air without encapsulation. We also investigated the effect of the thermal annealing on the crystallinity and morphology of the active layer and the device performance. The device based on the blend film of P3HT and OIBC60P showed a power conversion efficiency of 2.46% under illumination by AM1.5G (100 mW/cm2) after the annealing treatment at 120 °C for 10 min in air.
KW - Electron acceptors
KW - Fullerene derivatives
KW - Indole
KW - Organic photovoltaic devices
KW - Thin films
UR - http://www.scopus.com/inward/record.url?scp=84873347727&partnerID=8YFLogxK
U2 - 10.1016/j.orgel.2012.12.010
DO - 10.1016/j.orgel.2012.12.010
M3 - Article
AN - SCOPUS:84873347727
VL - 14
SP - 682
EP - 692
JO - Organic Electronics: physics, materials, applications
JF - Organic Electronics: physics, materials, applications
SN - 1566-1199
IS - 2
ER -