Crystalline Random Conjugated Copolymers with Multiple Side Chains: Tunable Intermolecular Interactions and Enhanced Charge Transport and Photovoltaic Properties

2010 ◽  
Vol 43 (7) ◽  
pp. 3306-3313 ◽  
Author(s):  
Pei-Tzu Wu ◽  
Guoqiang Ren ◽  
Samson A. Jenekhe
Keyword(s):  
Charge Transport ◽  
Intermolecular Interactions ◽  
Side Chains ◽  
Photovoltaic Properties ◽  
Conjugated Copolymers

A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers

2015 ◽  
Vol 3 (7) ◽  
pp. 1497-1506 ◽  
Author(s):  
A. V. Akkuratov ◽  
D. K. Susarova ◽  
Y. L. Moskvin ◽  
D. V. Anokhin ◽  
A. V. Chernyak ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Charge Transport ◽  
Strong Influence ◽  
Relative Orientation ◽  
Side Chains ◽  
Photovoltaic Properties ◽  
Alkyl Side Chains

It has been shown that positions and relative orientation of the alkyl side chains in the carbazole–TTBTBTT co-polymers affect significantly their optoelectronic, charge transport and photovoltaic properties.

Roles of Quinoidal Character and Regioregularity in Determining the Optoelectronic and Photovoltaic Properties of Conjugated Copolymers

2014 ◽  
Vol 47 (18) ◽  
pp. 6252-6259 ◽  
Author(s):  
Tianyue Zheng ◽  
Luyao Lu ◽  
Nicholas E. Jackson ◽  
Sylvia J. Lou ◽  
Lin X. Chen ◽  
...  
Keyword(s):  
Photovoltaic Properties ◽  
Conjugated Copolymers

Improved photovoltaic properties of copolymer donors by regulating alkyl and alkylsilyl side chains

2022 ◽  
Vol 197 ◽  
pp. 109842
Author(s):  
Wenjing Xu ◽  
Miao Zi ◽  
Min Zhang ◽  
Ruofei Hao ◽  
Ping Shen ◽  
...  
Keyword(s):  
Side Chains ◽  
Photovoltaic Properties

Theoretical study of charge-transport and optical properties of indeno[1,2-b]fluorene-6,12-dione-based semiconducting materials

2018 ◽  
Vol 74 (6) ◽  
pp. 705-711 ◽  
Author(s):  
Jin-Dou Huang ◽  
Jinfeng Zhao ◽  
Kun Yu ◽  
Xiaohua Huang ◽  
Shi-Bo Cheng ◽  
...  
Keyword(s):  
Optical Properties ◽  
Charge Transport ◽  
Near Infrared ◽  
Reorganization Energy ◽  
Hole Mobility ◽  
Side Chains ◽  
Semiconducting Materials ◽  
Π Stacking ◽  
Electron Transfer Theory ◽  
Reorganization Energies

The conducting and optical properties of a series of indeno[1,2-b]fluorene-6,12-dione (IFD)-based molecules have been systematically studied and the influences of butyl, butylthio and dibutylamino substituents on the reorganization energies, intermolecular electronic couplings and charge-injection barriers of IFD have been discussed. The quantum-chemical calculations combined with electron-transfer theory reveal that the incorporation of sulfur-linked side chains decreases reorganization energy associated with hole transfer and optimizes intermolecular π–π stacking, which results in excellent ambipolar charge-transport properties (μh = 1.15 cm2 V−1 s−1 and μe = 0.08 cm2 V−1 s−1); in comparison, addition of dibutylamino side chains increases intermolecular steric interactions and hinders perfect intermolecular π–π stacking, which results in the weak electronic couplings and finally causes the low intrinsic hole mobility (μh = 0.01 cm2 V−1 s−1). Furthermore, electronic spectra of butyl-IFD, butylthio-IFD and dibutylamino-IFD were simulated and compared with the reported experimental data. Calculations demonstrate that IFD-based molecules possess potential for developing novel infrared and near-infrared probe materials via suitable chemical modifications.

High-performance near-infrared organic phototransistors based on diketopyrrolopyrrole conjugated polymers with partial removal of long branched alkyl side chains

2020 ◽  
Vol 8 (47) ◽  
pp. 16915-16922
Author(s):  
Yu Tang ◽  
Weijie Ge ◽  
Ping Deng ◽  
Qiaoming Zhang ◽  
Yingjie Liao ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Charge Transport ◽  
High Performance ◽  
Near Infrared ◽  
Side Chains ◽  
Partial Removal ◽  
Nir Absorption ◽  
Alkyl Side Chains

Near-infrared (NIR) phototransistors based on diketopyrrolopyrrole polymers with partial removal of side chains are reported with improved NIR photoresponses, which take advantage of both strengthened NIR absorption and improved charge transport.

Synthesis and photovoltaic properties of 2D-conjugated polymers with alkylsilyl-substituted thieno[3,2-b]thiophene conjugated side chains

2018 ◽  
Vol 57 ◽  
pp. 255-262 ◽  
Author(s):  
Tinghai Yan ◽  
Haijun Bin ◽  
Chenkai Sun ◽  
Zhi-Guo Zhang ◽  
Yongfang Li
Keyword(s):  
Conjugated Polymers ◽  
Side Chains ◽  
Photovoltaic Properties
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