TY - JOUR
T1 - A Wide Bandgap Polymer with Strong Π–Π Interaction for Efficient Fullerene-Free Polymer Solar Cells
AU - Yao, Huifeng
AU - Yu, Runnan
AU - Shin, Tae Joo
AU - Zhang, Hao
AU - Zhang, Shaoqing
AU - Jang, Bomee
AU - Uddin, Mohammad Afsar
AU - Woo, Han Young
AU - Hou, Jianhui
PY - 2016/8/10
Y1 - 2016/8/10
N2 - A novel wide-bandgap polymer donor PBDTS-DTBTO, which shows an optical bandgap of 1.76 eV and a strong Π–Π interaction feature. Power conversion efficiency reached over 9% in the fullerene-free polymer solar cells (PSC) device By using a low-bandgap acceptor ITIC, indicating complementary absoprtion spectra for the donor and acceptor are of great importance for achieving a highly efficient fullerene-free PSC device. Additionally, the PSC devices fabricated by PBDTS-DTBTO:ITIC showed relatively small sensitivity to variations of the active layer thickness, and PCE equal to 8% could be achieved when the active layer thicknesses range from 50 to 200 nm, suggesting it is a promising candidate for further practical production study of fullerene-free PSC.
AB - A novel wide-bandgap polymer donor PBDTS-DTBTO, which shows an optical bandgap of 1.76 eV and a strong Π–Π interaction feature. Power conversion efficiency reached over 9% in the fullerene-free polymer solar cells (PSC) device By using a low-bandgap acceptor ITIC, indicating complementary absoprtion spectra for the donor and acceptor are of great importance for achieving a highly efficient fullerene-free PSC device. Additionally, the PSC devices fabricated by PBDTS-DTBTO:ITIC showed relatively small sensitivity to variations of the active layer thickness, and PCE equal to 8% could be achieved when the active layer thicknesses range from 50 to 200 nm, suggesting it is a promising candidate for further practical production study of fullerene-free PSC.
KW - active layer thickness
KW - complementary absorption
KW - polymer solar cells
KW - strong π–π interaction
KW - wide bandgap polymers
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U2 - 10.1002/aenm.201600742
DO - 10.1002/aenm.201600742
M3 - Article
AN - SCOPUS:84973375494
SN - 1614-6832
VL - 6
JO - Advanced Energy Materials
JF - Advanced Energy Materials
IS - 15
ER -
