Enhancement of efficiency in organic photovoltaic devices containing self-complementary hydrogen-bonding domains

Self-complementary hydrogen-bonding domains were incorporated as the electron deficient unit in "push-pull", p-type small molecules for organic photovoltaic active layers. Such compounds were found to enhance the fill factor, compared with similar non-self-organized compounds reported in t...

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Bibliographic Details
Published in:Beilstein journal of organic chemistry 2013-06, Vol.9 (1), p.1102-1110
Main Authors: Kumar, Rohan J, Subbiah, Jegadesan, Holmes, Andrew B
Format: Article
Language:English
Subjects:
Chemistry
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hydrogen-bonding
organic photovoltaics
self-assembly
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Summary:Self-complementary hydrogen-bonding domains were incorporated as the electron deficient unit in "push-pull", p-type small molecules for organic photovoltaic active layers. Such compounds were found to enhance the fill factor, compared with similar non-self-organized compounds reported in the literature, leading to higher device efficiencies. Evidence is presented that the ability of these molecules to form one-dimensional hydrogen-bonded chains and subsequently exhibit hierarchical self-assembly into nanostructured domains can be correlated with improved device efficiency.
ISSN:1860-5397
1860-5397
DOI:10.3762/bjoc.9.122