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

页码：174 / 183

页数：10

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