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Efficient Solar Cells Using All‐Organic Nanocrystalline Networks
Author(s) -
Yang F.,
Sun K.,
Forrest S. R.
Publication year - 2007
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200700837
Subject(s) - materials science , organic solar cell , nanocrystalline material , photocurrent , acceptor , solar cell , hybrid solar cell , bilayer , nanotechnology , nanocrystal , optoelectronics , polymer solar cell , membrane , chemistry , biochemistry , physics , condensed matter physics , composite material , polymer
A full‐organic donor/acceptor (DA) network formed by crystalline molecules is introduced to organic solar cells. Structural analysis shows that the network is composed of donor and acceptor nanocrystals. The increased DA interface area increases photo current generation and the interconnected networks form conductive pathways for charge extraction. The solar cell using nanocrystalline DA network shows a three‐fold improvement on photocurrent over that of a bilayer cell using the same DA combination.