scholarly journals Synthesis and characterization of novel donor–acceptor type electrochromic polymers containing diketopyrrolopyrrole as an acceptor and propylenedioxythiophene or indacenodithiophene as a donor

RSC Advances ◽  
2018 ◽  
Vol 8 (41) ◽  
pp. 23119-23129 ◽  
Author(s):  
Xinfeng Cheng ◽  
Xiuping Ju ◽  
Hongmei Du ◽  
Yan Zhang ◽  
Jinsheng Zhao ◽  
...  
Keyword(s):  
Response Time ◽  
Fast Response ◽  
Synthesis And Characterization ◽  
Electrochromic Properties ◽  
Fast Response Time ◽  
Electrochromic Polymers ◽  
Donor Acceptor ◽  
Conjugated Copolymers

Three novel D–A type conjugated copolymers were prepared, illustrating excellent electrochromic properties, such as desirable color switches, high optical contrasts, fast response time, and high color efficiency.

Synthesis and characterization of donor–acceptor type conducting polymers containing benzotriazole acceptor and benzodithiophene donor or s-indacenodithiophene donor

RSC Advances ◽  
2016 ◽  
Vol 6 (96) ◽  
pp. 94014-94023 ◽  
Author(s):  
Di Zhang ◽  
Min Wang ◽  
Xiaoli Liu ◽  
Jinsheng Zhao
Keyword(s):  
Conducting Polymers ◽  
Response Time ◽  
Fast Response ◽  
Synthesis And Characterization ◽  
Fast Response Time ◽  
Coloration Efficiency ◽  
Donor Acceptor

Two D–A type copolymers were synthesized and characterized by a series of methods. Both copolymers showed high optical contrasts, fast response time and high coloration efficiency. In summary, they could be candidates for electrochromic applications.

scholarly journals Synthesis and characterization of novel donor–acceptor type neutral green electrochromic polymers containing an indolo[3,2-b]carbazole donor and diketopyrrolopyrrole acceptor

RSC Advances ◽  
2018 ◽  
Vol 8 (38) ◽  
pp. 21252-21264 ◽  
Author(s):  
Yan Zhang ◽  
Lingqian Kong ◽  
Xiuping Ju ◽  
Hongmei Du ◽  
Jinsheng Zhao ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Conjugated Polymers ◽  
Band Gaps ◽  
Synthesis And Characterization ◽  
Electrochromic Properties ◽  
Electrochromic Polymers ◽  
Donor Acceptor

Two novel neutral green D–A type conjugated polymers were synthesized, illustrating satisfactory electrochromic properties, such as low band gaps, desirable color switches, excellent solubility and favorable thermal stability.

Donor–acceptor type polymers containing the 2,3-bis(2-pyridyl)-5,8-dibromoquinoxaline acceptor and different thiophene donors: electrochemical, spectroelectrochemistry and electrochromic properties

2016 ◽  
Vol 40 (3) ◽  
pp. 2178-2188 ◽  
Author(s):  
Shuang Chen ◽  
Di Zhang ◽  
Min Wang ◽  
Lingqian Kong ◽  
Jinsheng Zhao
Keyword(s):  
Response Time ◽  
Fast Response ◽  
Electrochromic Properties ◽  
Fast Response Time ◽  
Donor Acceptor

Three D–A type polymers were prepared, which showed desirable color switches, high optical contrasts, fast response time, and high color efficiency.

A regioregular donor–acceptor copolymer allowing a high gain–bandwidth product to be obtained in photomultiplication-type organic photodiodes

2021 ◽  
Author(s):  
Juhee Kim ◽  
Chan So ◽  
Mingyun Kang ◽  
Kyu Min Sim ◽  
Bogyu Lim ◽  
...  
Keyword(s):  
Response Time ◽  
Fast Response ◽  
High Gain ◽  
Trap Density ◽  
Gain Bandwidth ◽  
Fast Response Time ◽  
Donor Acceptor

A newly synthesized regioregular donor polymer is used in photomultiplication-type organic photodiodes (PM-OPDs), and its regioregularity enables face-on orientation with a low trap density, leading to a high gain and fast response time in PM-OPDs.

scholarly journals Understanding the colorimetric properties of quinoxaline-based pi-conjugated copolymers by tuning their acceptor strength: a joint theoretical and experimental approach

RSC Advances ◽  
2017 ◽  
Vol 7 (36) ◽  
pp. 22311-22319 ◽  
Author(s):  
Sébastien Fagour ◽  
Damien Thirion ◽  
Antoine Vacher ◽  
Xavier Sallenave ◽  
Gjergji Sini ◽  
...  
Keyword(s):  
Experimental Approach ◽  
Synthesis And Characterization ◽  
Pi Conjugated ◽  
Donor Acceptor ◽  
Green Coloration ◽  
Conjugated Copolymers

We report the synthesis and characterization of donor–acceptor π-conjugated copolymers leading to blue-to-green coloration according to acceptor strength.

scholarly journals Dual-Cation Electrolytes Crosslinked with MXene for High-Performance Electrochromic Devices

Nanomaterials ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 874
Author(s):  
Soyoung Bae ◽  
Youngno Kim ◽  
Jeong Min Kim ◽  
Jung Hyun Kim
Keyword(s):  
Ionic Conductivity ◽  
Response Time ◽  
Indium Tin Oxide ◽  
High Performance ◽  
Fast Response ◽  
High Ionic Conductivity ◽  
Electrochromic Device ◽  
Fast Response Time ◽  
Coloration Efficiency ◽  
Conduction Pathway

MXene, a 2D material, is used as a filler to manufacture polymer electrolytes with high ionic conductivity because of its unique sheet shape, large specific surface area and high aspect ratio. Because MXene has numerous -OH groups on its surface, it can cause dehydration and condensation reactions with poly(4-styrenesulfonic acid) (PSSA) and consequently create pathways for the conduction of cations. The movement of Grotthuss-type hydrogen ions along the cation-conduction pathway is promoted and a high ionic conductivity can be obtained. In addition, when electrolytes composed of a conventional acid or metal salt alone is applied to an electrochromic device (ECD), it does not bring out fast response time, high coloration efficiency and transmittance contrast simultaneously. Therefore, dual-cation electrolytes are designed for high-performance ECDs. Bis(trifluoromethylsulfonyl)amine lithium salt (LiTFSI) was used as a source of lithium ions and PSSA crosslinked with MXene was used as a source of protons. Dual-Cation electrolytes crosslinked with MXene was applied to an indium tin oxide-free, all-solution-processable ECD. The effect of applying the electrolyte to the device was verified in terms of response time, coloration efficiency and transmittance contrast. The ECD with a size of 5 × 5 cm2 showed a high transmittance contrast of 66.7%, fast response time (8 s/15 s) and high coloration efficiency of 340.6 cm2/C.

Synthesis and Characterization of a New Donor–Acceptor Conjugated Polymer and Polymer∕Ag Nanocomposites

2011 ◽  
Author(s):  
M. G. Murali ◽  
D. Udayakumar ◽  
P. Predeep ◽  
Mrinal Thakur ◽  
M. K. Ravi Varma
Keyword(s):  
Conjugated Polymer ◽  
Synthesis And Characterization ◽  
Donor Acceptor
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