New Random Terpolymers Based on Bis(4,5-didodecylthiophen-2-yl)-[1,2,5]thiadiazolo[3,4-i]dithieno[3,2-a:2',3'-c]phenazine with Variable Absorption Spectrum as Promising Materials for Organic Solar Cells

Keshtov M.L., Kuklin S.A., Khokhlov A.R., Godovsky D.Y., Konstantinov I.O., Ostapov I.E., Xie Z., Sharma G.D.
Тип документаJournal Article
Дата публикации2021-01-01
Название журналаDoklady Physical Chemistry
ИздательPleiades Publishing
Квартиль по SCImagoQ4
Квартиль по Web of ScienceQ4
Импакт-фактор 20210.89
ISSN00125016, 16083121
Physical and Theoretical Chemistry
Краткое описание
Abstract A series of new random terpolymers was synthesized by copolymerization of one electron-donor alkyl-substituted benzodithiophene unit and two electron-acceptor units, diketopyrrolopyrrole (DPP) and bis(4,5-dodecylthiophen-2-yl)-[1,2,5]thiadiazol[3,4- i ]dithieno[3,2- a :2',3'- c ]phenazine (DF). The influence of the DPP/DF ratio on the thermal, optoelectronic, and electrochemical properties of the terpolymers was investigated using thermogravimetric analysis, UV-Vis spectroscopy, and cyclic voltammetry. The optical properties of the synthesized terpolymers were controlled by varying the DPP/DF ratio. An increase in the DF mole fraction in the polymer chain caused an increase in absorption intensity in the 300‒600 and 600‒1100 nm ranges, while increasing mole fraction of DPP resulted in stronger absorption in the 600‒900 nm range and lower absorption intensity in the 350‒600 nm range. The terpolymers exhibited broad and intense absorption over the spectral range from 300 to 1100 nm. The results demonstrate that random terpolymers with complementary absorption spectra have a great potential for increasing the photocurrent and efficiency of polymer solar cells.
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1. Keshtov M.L. и др. New Random Terpolymers Based on Bis(4,5-didodecylthiophen-2-yl)-[1,2,5]thiadiazolo[3,4-i]dithieno[3,2-a:2’,3’-c]phenazine with Variable Absorption Spectrum as Promising Materials for Organic Solar Cells // Doklady Physical Chemistry. 2021. Т. 496. № 1. С. 1–7.


DO - 10.1134/s0012501621010024

UR -

TI - New Random Terpolymers Based on Bis(4,5-didodecylthiophen-2-yl)-[1,2,5]thiadiazolo[3,4-i]dithieno[3,2-a:2',3'-c]phenazine with Variable Absorption Spectrum as Promising Materials for Organic Solar Cells

T2 - Doklady Physical Chemistry

AU - Keshtov, M. L.

AU - Kuklin, S. A.

AU - Khokhlov, A. R.

AU - Godovsky, D. Yu.

AU - Konstantinov, I. O.

AU - Ostapov, I. E.

AU - Xie, Zh.

AU - Sharma, G. D.

PY - 2021

DA - 2021/01

PB - Pleiades Publishing Ltd

SP - 1-7

IS - 1

VL - 496

SN - 0012-5016

SN - 1608-3121

ER -

BibTex |


doi = {10.1134/s0012501621010024},

url = {},

year = 2021,

month = {jan},

publisher = {Pleiades Publishing Ltd},

volume = {496},

number = {1},

pages = {1--7},

author = {M. L. Keshtov and S. A. Kuklin and A. R. Khokhlov and D. Yu. Godovsky and I. O. Konstantinov and I. E. Ostapov and Zh. Xie and G. D. Sharma},

title = {New Random Terpolymers Based on Bis(4,5-didodecylthiophen-2-yl)-[1,2,5]thiadiazolo[3,4-i]dithieno[3,2-a:2{\textquotesingle},3{\textquotesingle}-c]phenazine with Variable Absorption Spectrum as Promising Materials for Organic Solar Cells}


Keshtov, M. L. et al. “New Random Terpolymers Based on Bis(4,5-Didodecylthiophen-2-Yl)-[1,2,5]thiadiazolo[3,4-I]dithieno[3,2-a:2’,3’-C]phenazine with Variable Absorption Spectrum as Promising Materials for Organic Solar Cells.” Doklady Physical Chemistry 496.1 (2021): 1–7. Crossref. Web.