Electrodeposition of C60 cluster aggregates on nanostructured SnO2 films for enhanced photocurrent generation

被引：134

作者：

Kamat, PV ^{[1
]}

Barazzouk, S

Thomas, KG

Hotchandani, S

机构：

[1] Notre Dame Radiat Lab, Notre Dame, IN 46556 USA

[2] Univ Quebec Trois Rivieres, Grp Rech Energie & Informat Biomol, Trois Rivieres, PQ G9A 5H7, Canada

[3] CSIR, Reg Res Lab, Trivandrum 695019, Kerala, India

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2000年 / 104卷 / 17期

关键词：

D O I：

10.1021/jp000750v

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Clusters of C-60 formed in acetonitrile (ACN)/toluene solutions are deposited as thin films on nanostructured SnO2 electrodes under the influence of an electric field. These films exhibit remarkable photoelectrochemical activity under visible light excitation. The photocurrent observed with these novel electrodes (similar to 0.14 mA/cm(2) obtained with visible light excitation, lambda > 425 nm, 130 mW/cm(2)) is 2-3 orders of magnitude larger than previously reported values for a fullerene system, Direct electron transfer between the excited C-60 clusters deposited on SnO2 nanocrystallites and the redox couple (I-3(-)/I-) in solution is responsible for the enhanced photocurrent generation.

引用

页码：4014 / 4017

页数：4

共 32 条

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