期刊
APPLIED PHYSICS LETTERS
卷 93, 期 23, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3028094
关键词
fullerenes; II-VI semiconductors; monolayers; nanoparticles; photoconductivity; photoemission; self-assembly; solar cells; wide band gap semiconductors; zinc compounds
资金
- National Science Foundation's NSF-STC [DMR-0120967, DOE DE-FC36-08GO18024/A000]
- Intel Foundation PhD Fellowship
The performance of inverted bulk-heterojunction solar cells with zinc oxide nanoparticles as the electron selective contact is compared to those modified with a fullerene self-assembled monolayer (C-60-SAM). The devices modified with a C-60-SAM show very significant improvement in conversion efficiencies compared to unmodified devices leading to efficiencies as high as 4.9%. This is due to enhanced electronic coupling of the inorganic/organic interface from the C-60-SAM leading to improved fill factor and photocurrent. Furthermore, devices fabricated in an inert environment were compared to those fabricated in ambient showing comparable device performance.
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