Combining chlorination and sulfuration strategies for high-performance all-small-molecule organic solar cells
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Combining chlorination and sulfuration strategies for high-performance all-small-molecule organic solar cells. / Zhou, Ruimin; Yang, Chen; Zou, Wenjun; Abdullah Adil, Muhammad; Li, Huan; Lv, Min; Huang, Ziyun; Lv, Menglan; Zhang, Jianqi; Lu, Kun; Wei, Zhixiang.
In: Journal of Energy Chemistry, Vol. 52, 01.01.2021, p. 228-233.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Combining chlorination and sulfuration strategies for high-performance all-small-molecule organic solar cells
AU - Zhou, Ruimin
AU - Yang, Chen
AU - Zou, Wenjun
AU - Abdullah Adil, Muhammad
AU - Li, Huan
AU - Lv, Min
AU - Huang, Ziyun
AU - Lv, Menglan
AU - Zhang, Jianqi
AU - Lu, Kun
AU - Wei, Zhixiang
PY - 2021/1/1
Y1 - 2021/1/1
N2 - Three small-molecule donors based on dithieno[2,3-d:2ʹ,3ʹ-dʹ]-benzo[1,2-b:4,5-bʹ] dithiophene (DTBDT) unit were designed and synthesized by side chain regulation with chlorinated or/and sulfurated substitutions (namely ZR1, ZR1-Cl, and ZR1-S-Cl respectively), along with a crystalline non-fullerene acceptor IDIC-4Cl with a chlorinated 1,1-dicyanomethylene-3-indanone (IC) end group. Energy levels, molar extinction coefficients and crystallinities of three donor molecules can be effectively altered by combining chlorination and sulfuration strategies. Especially, the ZR1-S-Cl exhibited the best absorption ability, lowest higher occupied molecular orbital (HOMO) energy level and highest crystallinity among three donors, resulting in the corresponding all-small-molecule organic solar cells to produce a high power conversion efficiency (PCE) of 12.05% with IDIC-4Cl as an acceptor.
AB - Three small-molecule donors based on dithieno[2,3-d:2ʹ,3ʹ-dʹ]-benzo[1,2-b:4,5-bʹ] dithiophene (DTBDT) unit were designed and synthesized by side chain regulation with chlorinated or/and sulfurated substitutions (namely ZR1, ZR1-Cl, and ZR1-S-Cl respectively), along with a crystalline non-fullerene acceptor IDIC-4Cl with a chlorinated 1,1-dicyanomethylene-3-indanone (IC) end group. Energy levels, molar extinction coefficients and crystallinities of three donor molecules can be effectively altered by combining chlorination and sulfuration strategies. Especially, the ZR1-S-Cl exhibited the best absorption ability, lowest higher occupied molecular orbital (HOMO) energy level and highest crystallinity among three donors, resulting in the corresponding all-small-molecule organic solar cells to produce a high power conversion efficiency (PCE) of 12.05% with IDIC-4Cl as an acceptor.
U2 - 10.1016/j.jechem.2020.04.041
DO - 10.1016/j.jechem.2020.04.041
M3 - Journal article
VL - 52
SP - 228
EP - 233
JO - Journal of Natural Gas Chemistry
JF - Journal of Natural Gas Chemistry
SN - 2095-4956
ER -
ID: 243064315