Electrical Measurements on P3HT:CdSe Blends for Photovoltaic Applications

被引：0
作者：
Kazukauskas, V. [1 ,2 ]
Sakavicius, A. [1 ,2 ]
Couderc, E. [3 ,4 ,5 ]
Janonis, V. [1 ,2 ]
Reiss, P. [3 ]
Djurado, D. [3 ]
Faure-Vincent, J. [3 ]
机构：
[1] Vilnius State Univ, Semicond Phys Dept, LT-10222 Vilnius, Lithuania
[2] Vilnius State Univ, Inst Appl Res, LT-10222 Vilnius, Lithuania
[3] Univ Grenoble, CNRS, UMR CEA, SPrAM Lab, Grenoble, France
[4] Univ So Calif, Ctr Energy Nanosci, Los Angeles, CA USA
[5] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2014年 / 604卷 / 01期
关键词：
mobility; hybrid solar cells; nanocrystals; charge transport; CdSe; P3HT; HETEROJUNCTION SOLAR-CELLS; CHARGE-TRANSPORT; MOBILITY; PERFORMANCE; EFFICIENCY; POLYMERS;
D O I：
10.1080/15421406.2014.968485
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hybrid photovoltaic structures made of P3HT and branched CdSe nanocrystals (NCs) with 50wt%-90wt% ratio were investigated. Charge Extraction by Linearly Increasing Voltage (CELIV) mobility and temperature dependent (photo-)conductivity measurements were used to analyze the charge transport. The samples with 50wt% were photosensitive, but just a minor PV effect was observed. The photovoltaic phenomenon was pronounced in the samples containing 75wt% or more of NCs. The Open Circuit Voltages up to 1V were obtained. The recombination of the generated carriers was fast and could be a limiting factor of the cell current. Carrier mobility was up to (3-4) x 10(-4) cm(2)/Vs. From the fitting of mobility data the best carrier transport conditions were found in the samples with 75wt% and 83wt% of NCs.
引用
收藏
页码：174 / 183
页数：10
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