ORGANIC SOLAR CELL OF THE BULK HETEROJUNCTION TYPE COMPRISING AN IMIDE BASED CONJUGATED BACKBONE COMPOUND AS PHOTOACTIVE MATERIAL
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
May 31, 2013
filing date -
Jun 25, 2012
priority date (Note) -
Abandoned
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Abstract
A solar cell including at least a substrate, a cathode, a hole conductive layer, a bulk heterojunction photoactive layer of a blend of a donor material and an acceptor material, an electron conductive layer and an anode, wherein the blend includes at least one photoactive material including a conjugated backbone system having:
- i) the general formula R2-imide-Ar-L-Ar-imide-R3, wherein Ar-L-Ar is a conjugated chromophoreimide is imide —OCNCO—R2 and R3 are organic groups, bonded to the N atom of the respective imide and forming a conjugated bond with the respective imide; or. ii) repeating units (R4-imide-Ar-L-Ar-imide)n, wherein Ar-L-Ar is a conjugated chromophoreimide is imide —OCNCO—R4 is an organic group bonded to the N atom of the respective imide and forming a conjugated bond with the respective imideand n is the number of repeating units.
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