TY - JOUR
T1 - A non-fullerene electron acceptor based on fluorene and diketopyrrolopyrrole building blocks for solution-processable organic solar cells with an impressive open-circuit voltage
AU - Patil, Hemlata
AU - Wang, Xizu
AU - Gupta, Akhil
AU - Chellappan, Vijila
AU - Bilic, Ante
AU - Sonar, Prashant
AU - Rananaware, Anushri
AU - Bhosale, Sidhanath Vishwanath
AU - Bhosale, Sheshanath V
PY - 2014
Y1 - 2014
N2 - A novel solution-processable non-fullerene electron acceptor 6,6 -(5,5 -(9,9-dioctyl-9H-fluorene-2,7-diyl)bis(thiophene-5,2-diyl))bis(2,5-bis(2-ethylhexyl)-3-(thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione) (DPP1) based on fluorene and diketopyrrolopyrrole conjugated moieties was designed, synthesized and fully characterized. DPP1 exhibited excellent solubility and high thermal stability which are essential for easy processing. Upon using DPP1 as an acceptor with the classical electron donor poly(3-hexylthiophene), solution processable bulk-heterojunction solar cells afforded a power conversion efficiency of 1.2 with a high open-circuit voltage (1.1 V). As per our knowledge, this value of open circuit voltage is one of the highest values reported so far for a bulk-heterojunction device using DPP1 as a non-fullerene acceptor.
AB - A novel solution-processable non-fullerene electron acceptor 6,6 -(5,5 -(9,9-dioctyl-9H-fluorene-2,7-diyl)bis(thiophene-5,2-diyl))bis(2,5-bis(2-ethylhexyl)-3-(thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione) (DPP1) based on fluorene and diketopyrrolopyrrole conjugated moieties was designed, synthesized and fully characterized. DPP1 exhibited excellent solubility and high thermal stability which are essential for easy processing. Upon using DPP1 as an acceptor with the classical electron donor poly(3-hexylthiophene), solution processable bulk-heterojunction solar cells afforded a power conversion efficiency of 1.2 with a high open-circuit voltage (1.1 V). As per our knowledge, this value of open circuit voltage is one of the highest values reported so far for a bulk-heterojunction device using DPP1 as a non-fullerene acceptor.
UR - http://pubs.rsc.org/en/Content/ArticleLanding/2014/CP/C4CP03727H#!divAbstract
U2 - 10.1039/c4cp03727h
DO - 10.1039/c4cp03727h
M3 - Article
SN - 1463-9076
VL - 16
SP - 23837
EP - 23842
JO - Physical Chemistry Chemical Physics
JF - Physical Chemistry Chemical Physics
IS - 43
ER -