Linker effects on optoelectronic properties of alternate donor–acceptor conjugated polymers

2011 ◽  
Vol 4 (10) ◽  
pp. 4276 ◽  
Author(s):  
Jing Li ◽  
Ming Yan ◽  
Yu Xie ◽  
Qiquan Qiao
Keyword(s):  
Conjugated Polymers ◽  
Optoelectronic Properties ◽  
Donor Acceptor

Beyond Donor-Acceptor (D-A) Approach: Structure-Optoelectronic Properties-Organic Photovoltaic Performance Correlation in New D-A1-D-A2Low-Bandgap Conjugated Polymers

2017 ◽  
Vol 38 (7) ◽  
pp. 1600720 ◽  
Author(s):  
Christos L. Chochos ◽  
Sofia Drakopoulou ◽  
Athanasios Katsouras ◽  
Benedetta M. Squeo ◽  
Christian Sprau ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Photovoltaic Performance ◽  
Optoelectronic Properties ◽  
Organic Photovoltaic ◽  
Donor Acceptor

scholarly journals Thiophene-based donor–acceptor co-oligomers by copper-catalyzed 1,3-dipolar cycloaddition

2012 ◽  
Vol 8 ◽  
pp. 683-692 ◽  
Author(s):  
Stefanie Potratz ◽  
Amaresh Mishra ◽  
Peter Bäuerle
Keyword(s):  
Cyclic Voltammetry ◽  
Conjugated Polymers ◽  
Sodium Azide ◽  
Copper Catalyst ◽  
Optoelectronic Properties ◽  
Dipolar Cycloaddition ◽  
One Pot ◽  
Vis Spectroscopy ◽  
Donor Type ◽  
Donor Acceptor

Herein we present a three-component one-pot procedure to synthesize co-oligomers of a donor–acceptor–donor type, in which thiophene moieties work as donor and 1,2,3-triazoles as acceptor units. In this respect, terminally ethynylated (oligo)thiophenes were coupled to halogenated (oligo)thiophenes in the presence of sodium azide and a copper catalyst. Optoelectronic properties of various thiophene-1,2,3-triazole co-oligomers were investigated by UV–vis spectroscopy and cyclic voltammetry. Several co-oligomers were electropolymerized to the corresponding conjugated polymers.

scholarly journals Influence of Backbone Curvature on the Organic Electrochemical Transistor Performance of Glycolated Donor‐Acceptor Conjugated Polymers

2021 ◽  
Author(s):  
Bowen Ding ◽  
Gunwoo Kim ◽  
Youngseok Kim ◽  
Flurin D. Eisner ◽  
Edgar Gutiérrez-Fernández ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Electrochemical Transistor ◽  
Donor Acceptor

scholarly journals Backbone Effects on the Thermoelectric Properties of Ultra-Small Bandgap Conjugated Polymers

Polymers ◽  
2021 ◽  
Vol 13 (15) ◽  
pp. 2486
Author(s):  
Dexun Xie ◽  
Jing Xiao ◽  
Quanwei Li ◽  
Tongchao Liu ◽  
Jinjia Xu ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Power Factor ◽  
Carrier Mobility ◽  
Polymeric Materials ◽  
Thermoelectric Performance ◽  
Organic Thermoelectric Materials ◽  
Higher Power ◽  
Donor Acceptor ◽  
Maximum Power Factor ◽  
Higher Carrier Mobility

Conjugated polymers with narrower bandgaps usually induce higher carrier mobility, which is vital for the improved thermoelectric performance of polymeric materials. Herein, two indacenodithiophene (IDT) based donor–acceptor (D-A) conjugated polymers (PIDT-BBT and PIDTT-BBT) were designed and synthesized, both of which exhibited low-bandgaps. PIDTT-BBT showed a more planar backbone and carrier mobility that was two orders of magnitude higher (2.74 × 10−2 cm2V−1s−1) than that of PIDT-BBT (4.52 × 10−4 cm2V−1s−1). Both exhibited excellent thermoelectric performance after doping with 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane, where PIDTT-BBT exhibited a larger conductivity (0.181 S cm−1) and a higher power factor (1.861 μW m−1 K−2) due to its higher carrier mobility. The maximum power factor of PIDTT-BBT reached 4.04 μW m−1 K−2 at 382 K. It is believed that conjugated polymers with a low bandgap are promising in the field of organic thermoelectric materials.

scholarly journals Efficient Inverted Solar Cells Using Benzotriazole-Based Small Molecule and Polymers

Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 393
Author(s):  
Ja Eun Lee ◽  
Yoon Kim ◽  
Yang Ho Na ◽  
Nam Seob Baek ◽  
Jae Woong Jung ◽  
...  
Keyword(s):  
Solar Cell ◽  
Conjugated Polymers ◽  
Power Conversion ◽  
High Energy ◽  
Photovoltaic Properties ◽  
Device Structures ◽  
Donor Acceptor ◽  
Medium Band ◽  
Inverted Solar Cell ◽  
Conventional Device

We synthesized medium-band-gap donor-acceptor (D-A) -type conjugated polymers (PBTZCZ-L and PBTZCZ-H) consisting of a benzotriazole building block as an acceptor and a carbazole unit as a donor. In comparison with the polymers, a small conjugated molecule (BTZCZ-2) was developed, and its structural, thermal, optical, and photovoltaic properties were investigated. The power conversion efficiency (PCE) of the BTZCZ-2-based solar cell devices was less than 0.5%, considerably lower than those of polymer-based devices with conventional device structures. However, inverted solar cell devices configured with glass/ITO/ZnO:PEIE/BTZCZ-2:PC71BM/MoO3/Ag showed a tremendously improved efficiency (PCE: 5.05%, Jsc: 9.95 mA/cm2, Voc: 0.89 V, and FF: 57.0%). We believe that this is attributed to high energy transfer and excellent film morphologies.

Dynamics of Preaggregation and Film Formation of Donor–Acceptor π-Conjugated Polymers

2021 ◽  
pp. 205-211
Author(s):  
Yuta Yabuuchi ◽  
Yu Minowa ◽  
Shuichi Nagamatsu ◽  
Akihiko Fujii ◽  
Masanori Ozaki
Keyword(s):  
Conjugated Polymers ◽  
Film Formation ◽  
Donor Acceptor
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