研究目的
To investigate the effects of structural modification on the physico-chemical properties and electrochromic performances of monomers and/or polymers by embedding EDOT segments into PTT backbones at the molecular level.
研究成果
The incorporation of EDOT into the PTT backbone significantly improved its electrochromic performances, including higher optical contrast, superior coloring efficiency, and faster switching times. The P(TT-EDOT-TT) film achieved RGB primary color conversion, making it promising for display applications.
研究不足
The electroactive substances of the polymers degraded after multiple cycles, indicating poor adhesion to the working electrode. The study focused on the electrochromic properties without extensive exploration of long-term stability under operational conditions.
1：Experimental Design and Method Selection:
The study involved the synthesis of TT-EDOT-TT oligomer and its electropolymerization to form P(TT-EDOT-TT). The properties were compared with TT and PTT.
2：Sample Selection and Data Sources:
TT and TT-EDOT-TT were synthesized and characterized. Polymer films were prepared by electrochemical polymerization.
3：List of Experimental Equipment and Materials:
Electrochemical workstation (Versa Stat 3), UV-vis spectrometer (SPECORD 200 PLUS), field emission scanning electron microscope (FESEM), and various chemicals including TT, EDOT, and Bu4NPF
4：Experimental Procedures and Operational Workflow:
Electrochemical polymerization, cyclic voltammetry, spectroelectrochemical measurements, and SEM imaging were performed.
5：Data Analysis Methods:
Optical contrast, coloring efficiency, and switching times were calculated from the experimental data.
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