ICCAS OpenIR
Organogels based on self-assembly of diphenylalanine peptide and their application to immobilize quantum dots
Yan, Xuehai1; Cui, Yue1; He, Qiang1,2; Wang, Kewei1; Li, Junbai1
2008-02-26
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume20Issue:4Pages:1522-1526
AbstractWe report that a single dipeptide (L-Phe-L-Phe, FF), which is probably one of the smallest peptide gelators. can self-assemble into long nanofibrils in organic solvents and entangle further to form gels. The obtained FF gels are responsive to temperature, and the FF sol-gel process is thermoreversible. The formation of such gels may be driven by the hydrogen bond of peptide main chains and the pi-pi interactions between aromatic residues of the peptide. Lipophilic nanocrystals can be encapsulated into the gel through gelating the organic solution of corresponding nanocrystals using the FF gelator at room temperature. Quantum dots (QDs) are encapsulated into the FF gel by adopting the above method. The resulting gels with the incorporated QDs still remain photoluminescent (PL). It is an effective method to protect QDs from oxidation and improve the stability of the QDs. This strategy is generally suited for encapsulation of lipophilic nanocrystals.
DOI10.1021/cm702931b
Indexed BySCI
Language英语
WOS IDWOS:000253283700055
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:179[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65704
Collection中国科学院化学研究所
Corresponding AuthorLi, Junbai
Affiliation1.Chinese Acad Sci, Inst Chem, Int Joint Lab, Key Lab Colloid & Interface Sci,BNLMS, Beijing 100080, Peoples R China
2.Max Planck Inst Colloids & Interfaces, D-14476 Potsdam, Germany
Recommended Citation
GB/T 7714
Yan, Xuehai,Cui, Yue,He, Qiang,et al. Organogels based on self-assembly of diphenylalanine peptide and their application to immobilize quantum dots[J]. CHEMISTRY OF MATERIALS,2008,20(4):1522-1526.
APA Yan, Xuehai,Cui, Yue,He, Qiang,Wang, Kewei,&Li, Junbai.(2008).Organogels based on self-assembly of diphenylalanine peptide and their application to immobilize quantum dots.CHEMISTRY OF MATERIALS,20(4),1522-1526.
MLA Yan, Xuehai,et al."Organogels based on self-assembly of diphenylalanine peptide and their application to immobilize quantum dots".CHEMISTRY OF MATERIALS 20.4(2008):1522-1526.
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