研究目的
To synthesize novel soluble high coloration efficiency electrochromic polymers based on (N-phenyl)carbazole, triphenylamine and 9,9-dioctyl-9H-fluorene and investigate their electrochemical and spectroelectrochemical properties.
研究成果
The synthesized polymers exhibit good solubility, film-forming ability, high thermal stability, and high coloration efficiency, making them promising candidates for electrochromic materials.
研究不足
The study focuses on the synthesis and characterization of the polymers, with limited discussion on the practical application challenges such as scalability and long-term stability in electrochromic devices.
1:Experimental Design and Method Selection:
The polymers were synthesized by Suzuki reactions of 2,2'-(9,9-dioctyl-9H-fluorene-2,7-diyl)bis(1,3,2-dioxaborinane) with different dibromo-carbazoles.
2:Sample Selection and Data Sources:
The monomers were synthesized from carbazole derivatives and characterized by 1H and 13C NMR, FT-IR, and UV–vis-NIR spectroscopy.
3:List of Experimental Equipment and Materials:
A Bruker AC-400 MHz spectrometer, PerkinElmer Spectrum 100 Model FT-IR spectrometer, Shimadazu UV-3600 spectrophotometer, PerkinElmer Pyris 6 TGA, pro?lometer XP-100, Malvern instrument with refractive index detector, and CHI 660 A cyclic voltammetry.
4:Experimental Procedures and Operational Workflow:
The polymers were synthesized, characterized, and their electrochemical and spectroelectrochemical properties were investigated.
5:Data Analysis Methods:
The data were analyzed using Gaussian 03 software with the B3LYP functional and a 6–31 G(d) basis set for DFT calculations.
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Bruker AC-400 MHz spectrometer
AC-400
Bruker
Recording 1H and 13C NMR spectra
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PerkinElmer Spectrum 100 Model FT-IR spectrometer
Spectrum 100
PerkinElmer
Recording Fourier transform infrared spectroscopies
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Shimadazu UV-3600 spectrophotometer
UV-3600
Shimadazu
Carrying out UV–vis-NIR spectra
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PerkinElmer Pyris 6 TGA
Pyris 6
PerkinElmer
Recording thermogravimetric analysis
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CHI 660 A
660 A
CHI
Performing cyclic voltammetry
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profilometer XP-100
XP-100
Ambios Technology Inc.
Determining the thickness of polymer films
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Malvern instrument
Malvern
GPC calculations
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