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Zhou G, Cheng X, Yang J, Zhu Y, Li H. Computational and experimental studies on the micellar morphology and emission mechanisms of AIE and H-bonding fluorescent composites. RSC Adv 2023; 13:4612-4622. [PMID: 36760310 PMCID: PMC9900601 DOI: 10.1039/d2ra07900c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/24/2023] [Indexed: 02/08/2023] Open
Abstract
In this work, we use density functional theory (DFT) calculated competitive hydrogen bonds and dissipative particle dynamics (DPD) simulated micellar structural information to uncover the CO2-expanded liquid (CXL)-aided self-assembled structure and emission mechanisms of the self-assembled fluorescent composites (SAFCs). Herein, the SAFCs are formed through the self assembly between diblock copolymer polystyrene-b-poly(4-vinylpyridine) (PS-b-P4VP) blend and the dye molecule 4-(9-(2-(4-hydroxyphenyl)ethynyl)-7,10-diphenylfluoranthen-8-yl)phenol (4) in CO2-expanded toluene at 313.2 K and varied pressures. Firstly, from DPD simulation, we have demonstrated that the addition of CO2 to toluene favors both the expansion of the solvophobic P4VP phase and contraction of solvophilic PS chains, which facilitates the continuous morphological transitions of SAFCs from spherical micelles (3.0 MPa) through wormlike plus spherical micelles (4.0-4.8 MPa) to large vesicles (6.0-6.5 MPa) with pressure rise. Secondly, the DFT calculated bonding energies and IR spectra of the competitive hydrogen bonds help us to clarify the major type of hydrogen bonds determining the fluorescence (FL) performance of the SAFCs. Furthermore, we have revealed the SAFC emission mechanism via the pressure-tunable changes in the aggregation degrees and amount of hydrogen bonds involving 4 and P4VP chains. This work provides a good understanding for the morphology-property control of the self-assembled polymer composites in both microscopic and mesoscopic scales.
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Affiliation(s)
- Guangying Zhou
- Green Catalysis Center, College of Chemistry, Zhengzhou University Zhengzhou Henan 450001 China
| | - Xiaomeng Cheng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences Beijing 100049 China
| | - Jian Yang
- Green Catalysis Center, College of Chemistry, Zhengzhou University Zhengzhou Henan 450001 China
| | - Yanyan Zhu
- Green Catalysis Center, College of Chemistry, Zhengzhou University Zhengzhou Henan 450001 China
| | - Hongping Li
- Green Catalysis Center, College of Chemistry, Zhengzhou University Zhengzhou Henan 450001 China
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Hu J, Zhang C, Ji F, Li X, Han J, Wu Y. Revealing the morphological architecture of a shape memory polyurethane by simulation. Sci Rep 2016; 6:29180. [PMID: 27373495 PMCID: PMC4931583 DOI: 10.1038/srep29180] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 06/15/2016] [Indexed: 01/12/2023] Open
Abstract
The lack of specific knowledge of the network structure in shape memory polymers (SMPs) has prevented us from gaining an in-depth understanding of their mechanisms and limited the potential for materials innovation. This paper firstly reveals the unit-cell nanoscale morphological architecture of SMPs by simulation. The phase separated architecture of a segmented shape memory polyurethane (SMPU) with a 30 wt% hard segment content (HSC, 4,4’-diphenylmethane diisocyanate (MDI) and 1,4-butanediol (BDO)) showing good shape memory properties was investigated by dissipative particle dynamics (DPD) simulations. A linked-spherical netpoint-frame phase of MDI, a matrix-switch phase of polycaprolactone (PCL) and a connected-spider-like interphase for BDO were obtained for this SMPU. The BDO interphase can reinforce the MDI network. Based on these simulation results, a three-dimensional (3D) overall morphological architectural model of the SMPU can be established. This theoretical study has verified, enriched and integrated two existing schematic models: one being the morphological model deduced from experiments and the other the frame model for SMPs reported before. It can serve as a theoretical guide for smart polymeric materials design. This method for the simulation of polymer structure at the nanoscale can be extended to many areas such as photonic crystals where nanoscale self-assembly plays a vital role.
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Affiliation(s)
- Jinlian Hu
- Institute of Textiles and Clothing, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China; The Hong Kong Polytechnic University Shenzhen Base, Shenzhen, China
| | - Cuili Zhang
- Institute of Textiles and Clothing, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China; The Hong Kong Polytechnic University Shenzhen Base, Shenzhen, China
| | - Fenglong Ji
- School of Textiles and Clothing, Wuyi University, Jiangmen, Guangdong, 529020, China
| | - Xun Li
- Department Applied Mathematics, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Jianping Han
- Institute of Textiles and Clothing, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China; The Hong Kong Polytechnic University Shenzhen Base, Shenzhen, China
| | - You Wu
- Institute of Textiles and Clothing, the Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China; The Hong Kong Polytechnic University Shenzhen Base, Shenzhen, China
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Cheng X, Zheng X, Zhang Y, Li Y, Li H, Cao R, Li Q. CO 2-expanded liquid assisted self-assembly between Disperse Red 1 and PS-b-P4VP. RSC Adv 2016. [DOI: 10.1039/c6ra15855b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
This work shows that CO2-expanded liquids facilitate the modulation of morphology and photoluminescence performance of the self assembled fluorescent composite formed between DR1 and PS-b-P4VP in CO2-expanded ethanol.
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Affiliation(s)
- Xiaomeng Cheng
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Xiaofang Zheng
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Yaolong Zhang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Yu Li
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Hongping Li
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Renfei Cao
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Qianyu Li
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
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Ma X, Kang C, Chen W, Jin R, Guo H, Qiu X, Gao L. Effect of multiple H-bonding on the properties of polyimides containing the rigid rod groups. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/pola.27808] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiaoye Ma
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Chuanqing Kang
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Wenhui Chen
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Rizhe Jin
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Haiquan Guo
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Xuepeng Qiu
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Lianxun Gao
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
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Zhang M, Niu H, Chang J, Ge Q, Cao L, Wu D. High-performance fibers based on copolyimides containing benzimidazole and ether moieties: Molecular packing, morphology, hydrogen-bonding interactions and properties. POLYM ENG SCI 2015. [DOI: 10.1002/pen.24154] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mengying Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Hongqing Niu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Jingjing Chang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Qiyan Ge
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Li Cao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; Beijing 100029 China
| | - Dezhen Wu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology; Beijing 100029 China
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Liu X, Yang K, Guo H. Dissipative Particle Dynamics Simulation of the Phase Behavior of T-Shaped Ternary Amphiphiles Possessing Rodlike Mesogens. J Phys Chem B 2013; 117:9106-20. [DOI: 10.1021/jp405677u] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Xiaohan Liu
- Beijing National Laboratory for Molecular Sciences
(BNLMS), State Key Laboratory of Polymer Physics and Chemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Keda Yang
- Beijing National Laboratory for Molecular Sciences
(BNLMS), State Key Laboratory of Polymer Physics and Chemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
| | - Hongxia Guo
- Beijing National Laboratory for Molecular Sciences
(BNLMS), State Key Laboratory of Polymer Physics and Chemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
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Song G, Zhang Y, Wang D, Chen C, Zhou H, Zhao X, Dang G. Intermolecular interactions of polyimides containing benzimidazole and benzoxazole moieties. POLYMER 2013. [DOI: 10.1016/j.polymer.2013.02.051] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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High-performance copolyimide fibers containing quinazolinone moiety: Preparation, structure and properties. POLYMER 2013. [DOI: 10.1016/j.polymer.2013.01.047] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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