51
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Affiliation(s)
- Andrew I Cooper
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, Liverpool, UK.
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52
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Li J, Li J, Li H, Wang C, Sheng M, Zhang L, Fu S. Bistable Elastic Electrochromic Ionic Gels for Energy-Saving Displays. ACS APPLIED MATERIALS & INTERFACES 2021; 13:27200-27208. [PMID: 34061499 DOI: 10.1021/acsami.1c05768] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The diversification of electrochromic materials greatly expands the application fields of electrochromic devices. However, highly flexible electrochromic materials remain challenging due to the inherent limitations associated with the existing electrochromic processes. Inspired by the hydrogen bonding effect in the hydrogel structure, a highly elastic and bistable electrochromic ionic gel based on a hydrogen bonding cross-linking network is prepared by solution polymerization having excellent tensile resilience, uniform coloring, reversible switching (≤24.3 s), maximum transmittance change (≥80%), bistability (54 h), reversibility (>500 cycles), and coloration efficiency (≥85.3 cm2·C-1). This method has been used to develop bistable electrochromic displays. The unconventional exploration of the bistable design principle may provide a new idea for the realization of bistable electrochromic devices.
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Affiliation(s)
- Jiashuang Li
- Key Laboratory of Science & Technology of Eco-Textile, Jiangnan University, Ministry of Education, Wuxi, Jiangsu 214122, China
| | - Jingjing Li
- The First Scientific Research Institute of Wuxi, Wuxi, Jiangsu 214122, China
| | - Hongbin Li
- The First Scientific Research Institute of Wuxi, Wuxi, Jiangsu 214122, China
| | - Chengcheng Wang
- Key Laboratory of Science & Technology of Eco-Textile, Jiangnan University, Ministry of Education, Wuxi, Jiangsu 214122, China
| | - Mingfei Sheng
- Key Laboratory of Science & Technology of Eco-Textile, Jiangnan University, Ministry of Education, Wuxi, Jiangsu 214122, China
| | - Liping Zhang
- Key Laboratory of Science & Technology of Eco-Textile, Jiangnan University, Ministry of Education, Wuxi, Jiangsu 214122, China
| | - Shaohai Fu
- Key Laboratory of Science & Technology of Eco-Textile, Jiangnan University, Ministry of Education, Wuxi, Jiangsu 214122, China
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53
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Jiang XT, Yin Q, Liu BT, Chen JY, Wang R, Liu TF. Porous hydrogen-bonded organic framework membranes for high-performance molecular separation. NANOSCALE ADVANCES 2021; 3:3441-3446. [PMID: 36133715 PMCID: PMC9419181 DOI: 10.1039/d1na00199j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 04/29/2021] [Indexed: 05/29/2023]
Abstract
Hydrogen-bonded organic frameworks (HOFs) with intrinsic, tunable, and uniform pores are promising candidates to act as membranes for molecular separation, but they are yet to be explored in this field. Herein, a type of HOF membrane based on a thin-film nanocomposite (TFN) membrane containing porous HOF (PFC-1) nanoparticles was successfully fabricated via a facile interfacial polymerization method. The homogeneously distributed HOF nanoparticles can provide direct channels in the polyamide (PA) active layer for molecule separation. Due to the ultrathin nature of the TFN membrane and the highly ordered porous structure of the PFC-1 nanoparticles, these flexible HOF membranes exhibit both ultrahigh water permeability (∼546.09 L m-2 h-1 bar-1) and the excellent rejection of dye molecules (e.g., rhodamine B rejection of >97.0%). Furthermore, long-term operational stability (>50 min) and satisfactory cycling performance (>5 cycles) have also been achieved. This study may shed light on the fabrication of HOF membranes for liquid-phase molecular separation.
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Affiliation(s)
- Xiao-Tian Jiang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fujian Fuzhou 350002 China
- University of the Chinese Academy of Sciences Beijing 100049 China
| | - Qi Yin
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fujian Fuzhou 350002 China
| | - Bai-Tong Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fujian Fuzhou 350002 China
| | - Jun-Yu Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fujian Fuzhou 350002 China
| | - Rui Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fujian Fuzhou 350002 China
| | - Tian-Fu Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fujian Fuzhou 350002 China
- University of the Chinese Academy of Sciences Beijing 100049 China
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54
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Hao Q, Li ZJ, Bai B, Zhang X, Zhong YW, Wan LJ, Wang D. A Covalent Organic Framework Film for Three-State Near-Infrared Electrochromism and a Molecular Logic Gate. Angew Chem Int Ed Engl 2021; 60:12498-12503. [PMID: 33756014 DOI: 10.1002/anie.202100870] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/02/2021] [Indexed: 11/10/2022]
Abstract
A Kagome structure covalent organic framework (COF) film with three-state NIR electrochromic properties was designed and synthesized. The COFTPDA-PDA film is composed of hexagonal nanosheets with high crystallinity and has three reversible color states at different applied potentials. It has high absorption spectra changes in the NIR region, ascribed to the strong intervalence charge transfer (IVCT) interaction of the Class III mixed-valence systems of the conjugated triphenylamine species. The film showed sub-second response time (1.3 s for coloring and 0.7 s for bleaching at 1050 nm) and long retention time in the NIR region. COFTPDA-PDA film shows superior NIR electrochromic properties in term of response time and stability, attributed to the highly ordered porous structure and the π-π stacking structure of the COFTPDA-PDA architecture. The COFTPDA-PDA film was applied in mimicking a flip-flop logic gate with optical memory function.
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Affiliation(s)
- Qing Hao
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhi-Juan Li
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of the Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Bin Bai
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xing Zhang
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yu-Wu Zhong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of the Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Li-Jun Wan
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Dong Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P. R. China
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55
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Bessinger D, Muggli K, Beetz M, Auras F, Bein T. Fast-Switching Vis-IR Electrochromic Covalent Organic Frameworks. J Am Chem Soc 2021; 143:7351-7357. [PMID: 33724793 PMCID: PMC8154512 DOI: 10.1021/jacs.0c12392] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Electrochromic coatings are promising for applications in smart windows or energy-efficient optical displays. However, classical inorganic electrochromic materials such as WO3 suffer from low coloration efficiency and slow switching speed. We have developed highly efficient and fast-switching electrochromic thin films based on fully organic, porous covalent organic frameworks (COFs). The low band gap COFs have strong vis-NIR absorption bands in the neutral state, which shift significantly upon electrochemical oxidation. Fully reversible absorption changes by close to 3 OD can be triggered at low operating voltages and low charge per unit area. Our champion material reaches an electrochromic coloration efficiency of 858 cm2 C-1 at 880 nm and retains >95% of its electrochromic response over 100 oxidation/reduction cycles. Furthermore, the electrochromic switching is extremely fast with response times below 0.4 s for the oxidation and around 0.2 s for the reduction, outperforming previous COFs by at least an order of magnitude and rendering these materials some of the fastest-switching frameworks to date. This combination of high coloration efficiency and very fast switching reveals intriguing opportunities for applications of porous organic electrochromic materials.
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Affiliation(s)
- Derya Bessinger
- Department of Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstraße 5-13, 81377 Munich, Germany
| | - Katharina Muggli
- Department of Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstraße 5-13, 81377 Munich, Germany
| | - Michael Beetz
- Department of Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstraße 5-13, 81377 Munich, Germany
| | - Florian Auras
- Cavendish Laboratory, University of Cambridge, CB3 0HE Cambridge, United Kingdom
| | - Thomas Bein
- Department of Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstraße 5-13, 81377 Munich, Germany
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56
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Hao Q, Li Z, Bai B, Zhang X, Zhong Y, Wan L, Wang D. A Covalent Organic Framework Film for Three‐State Near‐Infrared Electrochromism and a Molecular Logic Gate. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100870] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Qing Hao
- Key Laboratory of Molecular Nanostructure and Nanotechnology Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Zhi‐Juan Li
- Key Laboratory of Photochemistry Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Bin Bai
- Key Laboratory of Molecular Nanostructure and Nanotechnology Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Xing Zhang
- Key Laboratory of Molecular Nanostructure and Nanotechnology Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Yu‐Wu Zhong
- Key Laboratory of Photochemistry Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Li‐Jun Wan
- Key Laboratory of Molecular Nanostructure and Nanotechnology Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Dong Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
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57
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Dong J, Wee V, Peh SB, Zhao D. Molecular-Rotor-Driven Advanced Porous Materials. Angew Chem Int Ed Engl 2021; 60:16279-16292. [PMID: 33682981 DOI: 10.1002/anie.202101646] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Indexed: 01/01/2023]
Abstract
Advanced porous materials (APMs)-such as metal-organic frameworks (MOFs) and porous organic polymers (POPs)-have emerged as an exciting research frontier of chemistry and materials science. Given their tunable pore size and extensive diversity, APMs have found widespread applications. In addition, adding dynamic functional groups to porous solids furthers the development of stimuli-responsive materials. By incorporating moving elements-molecular rotors-into the porous frameworks, molecular-rotor-driven advanced porous materials (MR-APMs) can respond reversibly to chemical and physical stimuli, thus imparting dynamic functionalities that have not been found in conventional porous materials. This Minireview discusses exemplary MR-APMs in terms of their design, synthesis, rotor dynamics, and potential applications.
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Affiliation(s)
- Jinqiao Dong
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore.,School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Vanessa Wee
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Shing Bo Peh
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Dan Zhao
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
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58
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Gao XY, Li YL, Liu TF, Huang XS, Cao R. Single-crystal-to-single-crystal transformation of tetrathiafulvalene-based hydrogen-bonded organic frameworks. CrystEngComm 2021. [DOI: 10.1039/d1ce00519g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A TTF-based HOF undergoes SCSC transformation into another two isomers in different solvents.
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Affiliation(s)
- Xiang-Yu Gao
- School of Physical Science and Technology
- ShanghaiTech University
- Shanghai
- China
- State Key Laboratory of Structural Chemistry
| | - Yu-Lin Li
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P. R. China
| | - Tian-Fu Liu
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P. R. China
| | - Xin-Song Huang
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P. R. China
| | - Rong Cao
- School of Physical Science and Technology
- ShanghaiTech University
- Shanghai
- China
- State Key Laboratory of Structural Chemistry
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