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Gu H, Sun X, Zhao Q, Wang H, Cheng X, Yang C, Qiu D. Near-IR Electrochromic Film with High Optical Contrast and Stability Prepared by Oxidative Electropolymerization of Triphenylamine Modified Terpyridine Platinum(II) Chloride. Molecules 2023; 28:8027. [PMID: 38138516 PMCID: PMC10745481 DOI: 10.3390/molecules28248027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/30/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Terpyridine (TPY) platinum(II) chloride with a triphenylamine (TPA) group was successfully synthesized. The strong intramolecular Donor(TPA)-Acceptor(TPY) interaction induced the low-energy absorption band, mixing the spin-allowed singlet dπ(Pt)→π*(TPY) metal-to-ligand charge transfer (MLCT) with the chloride ligand-to-metal charge transfer (LMCT) and chloride ligand-to-ligand (TPY) charge transfer (LLCT) transitions, to bathochromically shift to λmax = 449 nm with significant enhancement and broadening effects. Using the cyclic voltammetry method, its oxidative electropolymerization (EP) films on working Pt disk and ITO electrodes were produced with tunable thickness and diffusion controlled redox behavior, which were characterized by the SEM, EDS, FT-IR, and AC impedance methods. Upon applying +1.4 V voltage, the sandwich-type electrochromic device (ECD) with ca. 290 nm thickness of the EP film exhibits a distinct color transformation from red (CIE coordinates: L = 50.75, a = 18.58, b = 5.69) to dark blue (CIE coordinates: L = 45.65, a = -1.35, b = -12.49). Good electrochromic (EC) parameters, such as a large optical contrast (ΔT%) of 78%, quick coloration and bleaching response times of 2.9 s and 1.1 s, high coloration and bleaching efficiencies of 278.0 and 390.5 C-1·cm2, and good cycling stability (maintains 70% of the initial ΔT% value after 3200 voltage switching cycles), were obtained.
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Affiliation(s)
- Huiying Gu
- College of Chemistry, Zhengzhou University, No. 100 of Kexue Road, Zhengzhou 450001, China
| | - Xiaomeng Sun
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Qian Zhao
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Hongwei Wang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Xinfeng Cheng
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Chunxia Yang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Dongfang Qiu
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
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Butnaru I, Constantin CP, Damaceanu MD. Optimization of triphenylamine-based polyimide structure towards molecular sensors for selective detection of heavy/transition metal ions. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Li C, Zhen M, Sun B, Hong Y, Xiong J, Xue W, Li X, Guo Z, Liu L. Towards two-dimensional color tunability of all-solid-state electrochromic devices using carbon dots. Front Chem 2022; 10:1001531. [PMID: 36110136 PMCID: PMC9468610 DOI: 10.3389/fchem.2022.1001531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 08/12/2022] [Indexed: 11/13/2022] Open
Abstract
Electrochromic devices (ECDs) that display multicolor patterns have gradually attracted widespread attention. Considering the complexity in the integration of various electrochromic materials and multi-electrode configurations, the design of multicolor patterned ECDs based on simple approaches is still a big challenge. Herein, it is demonstrated vivid ECDs with broadened color hues via introducing carbon dots (CDs) into the ion electrolyte layer. Benefiting from the synergistic effect of electrodes and electrolytes, the resultant ECDs presented a rich color change. Significantly, the fabricated ECDs can still maintain a stable and reversible color change even in high temperature environments where operating temperatures are constantly changing from RT to 70°C. These findings represent a novel strategy for fabricating multicolor electrochromic displays and are expected to advance the development of intelligent and portable electronics.
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Affiliation(s)
- Chen Li
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, China
- State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, China
- Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Taiyuan, China
| | - Mingshuo Zhen
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, China
- State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, China
| | - Boshan Sun
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, China
- State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, China
- Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Taiyuan, China
| | - Yingping Hong
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, China
- State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, China
- Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Taiyuan, China
- *Correspondence: Yingping Hong, ; Lei Liu,
| | - Jijun Xiong
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, China
- State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, China
- Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Taiyuan, China
| | - Wenzhi Xue
- Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan, China
| | - Xiaohua Li
- School of Energy and Power Engineering, North University of China, Taiyuan, China
| | - Zhongkun Guo
- State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan, China
| | - Lei Liu
- School of Energy and Power Engineering, North University of China, Taiyuan, China
- *Correspondence: Yingping Hong, ; Lei Liu,
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Pi Q, Li L, Qiu D, Wang H, Cheng X, Yang C, Zhao Q, Zhou M. Pale yellow-to-dark blue electrochromic film produced by oxidation electropolymerization of a triphenylamine derivative with an enhanced electron-withdrawing group. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hossain A, Dey A, Seth SK, Ray PP, Ortega-Castro J, Frontera A, Mukhopadhyay S. Anion-dependent structural variations and charge transport property analysis of 4′-(3-pyridyl)-4,2′:6′,4′′-terpyridinium salts. CrystEngComm 2021. [DOI: 10.1039/d1ce00248a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anion-dependent structural variations and charge transport analysis of three 4′-(3-pyridyl)-4,2′:6′,4′′-terpyridinium salts are reported. They exhibit pronounced photosensing behavior when illuminated using visible light.
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Affiliation(s)
- Anowar Hossain
- Department of Chemistry
- Jadavpur University
- Kolkata 700032
- India
| | - Arka Dey
- Department of Physics
- Jadavpur University
- Kolkata 700032
- India
| | | | | | | | - Antonio Frontera
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca
- Spain
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Banasz R, Kubicki M, Wałęsa-Chorab M. Yellow-to-brown and yellow-to-green electrochromic devices based on complexes of transition metal ions with a triphenylamine-based ligand. Dalton Trans 2020; 49:15041-15053. [PMID: 33103702 DOI: 10.1039/d0dt03232h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transmissive-to-colored electrochromism has been achieved by combination of MLCT of transition metal complexes with the electrochromic properties of ligand molecules. The color transitions were from yellow to dark brown for the Fe(ii) complex, yellow to orange to bluish-green for the Co(ii) complex and yellow to green for the Zn(ii) complex. By using a metal ion-ligand coordination approach, the self-assembly of hydrazone-based ligands containing a triphenylamine group with appropriate metal salts (FeCl2, Co(ClO4)2 and Zn(BF4)2) produced novel complexes of the general formula [ML2]X2. The isolated complexes were characterized by spectroscopic methods, and the Co(ii) complex also by X-ray diffraction analysis. Thin films of the complexes have been obtained by a spray-coating method and they were used in the construction of electrochromic devices, which showed good electrochromic stability, a high color contrast of 47.5% for Fe(ii), 37.2% for Co(ii) and 33.7% for Zn(ii) complexes and fast coloring and bleaching times.
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Affiliation(s)
- Radosław Banasz
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland.
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Zhang S, Ren J, Chen S, Luo Y, Bai X, Ye L, Yang F, Cao Y. Large area electrochromic displays with ultrafast response speed and high contrast using solution-processable and patternable honeycomb-like polyaniline nanostructures. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114248] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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