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Deciphering the structure-property relationship in coumarin-based supramolecular organogel materials
Ji, Wei1; Yuan, Chengqian2; Wang, Fang1; Liu, Jinying1; Qin, Minggao1; Yan, Xuehai2; Feng, Chuanliang1
2020-07-20
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
Volume597Pages:9
AbstractUnderstanding the influence of the molecular architecture on the self-assembly and properties of supramolecular organogel materials is necessary for elucidating the structure-property relationship. Although conventional gelation motifs (e.g., amides, long alkyl side chains, and steroidal groups) have been considered essential for the effective gel process, the lack of gelation motifs hinders the development and self-assembly of non-conventional gelators. Herein, coumarin-based derivatives (1-12) without a conventional gelation motif were designed and synthesised by inducing a one-step reaction that entails fine-tuning the molecular architecture, particularly the position of the nitrogen atom in pyridine, the substitution position of pyridine, and the placement of methyl in coumarin. A previous gelation study revealed that 7-substituted coumarin-based derivatives with methyl (1-4) are highly efficient gelators that can self-assemble to form different nanostructures, and gelate various polar protic solvents. After small-scale modification of the molecular structures, Derivatives 5-6 self-assembled and only formed gels in the alcohol phase, whereas gels were not formed by Derivatives 7-12 in various solvents. Interestingly, the fluorescence property of these gels was significantly influenced by the dielectric constant and viscosity of the solvent. Furthermore, differences in the self-assembly and fluorescence of gelators were numerically investigated by performing density functional theory calculations and all-atom molecular dynamics simulations. This study provides a foundation for the development of a low-cost, non-conventional supramolecular organogel system with minimal building blocks, a modifiable self-assembly pathway, and alterable properties.
KeywordOrganogel Self-assembly Non-conventional Coumarin Supramolecular chemistry
DOI10.1016/j.colsurfa.2020.124744
Language英语
WOS KeywordPOLY(BENZYL ETHER) DENDRONS ; DIPEPTIDE ; GELS ; NANOSTRUCTURES ; HYDROGELATORS ; POLARITY ; RELEASE
Funding ProjectNational Natural Science Foundation of China[51833006] ; National Natural Science Foundation of China[51573092] ; National Natural Science Foundation of China[21522307] ; National Natural Science Foundation of China[21802143] ; National Natural Science Foundation of China[21802144] ; Innovation Program of Shanghai Municipal Education Commission[201701070002E00061] ; Program for Professors of Special Appointment (Eastern Scholar) at the Shanghai Institutions of Higher Learning ; National Natural Science Fund BRICS STI Framework Programme[51861145304] ; Innovation Research Community Science Fund[21821005]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Natural Science Foundation of China ; Innovation Program of Shanghai Municipal Education Commission ; Program for Professors of Special Appointment (Eastern Scholar) at the Shanghai Institutions of Higher Learning ; National Natural Science Fund BRICS STI Framework Programme ; Innovation Research Community Science Fund
WOS IDWOS:000536812800005
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40930
Collection中国科学院过程工程研究所
Corresponding AuthorFeng, Chuanliang
Affiliation1.Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Sch Mat Sci & Engn, Dongchuan Rd 800, Shanghai 200240, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ji, Wei,Yuan, Chengqian,Wang, Fang,et al. Deciphering the structure-property relationship in coumarin-based supramolecular organogel materials[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2020,597:9.
APA Ji, Wei.,Yuan, Chengqian.,Wang, Fang.,Liu, Jinying.,Qin, Minggao.,...&Feng, Chuanliang.(2020).Deciphering the structure-property relationship in coumarin-based supramolecular organogel materials.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,597,9.
MLA Ji, Wei,et al."Deciphering the structure-property relationship in coumarin-based supramolecular organogel materials".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 597(2020):9.
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