Issue 37, 2016, Issue in Progress

Hierarchical self-assembly of protoporphyrin IX-bridged Janus particles into photoresponsive vesicles

Abstract

Control over the building blocks in supramolecule by hierarchical self-assembly techniques provides a flexible strategy in nanotechnology and material science. In this study, a protoporphyrin IX (PPIX)-bridged Janus particle, as an amphiphilic building block, is driven by host–guest recognition between di-β-cyclodextrin-modified PPIX (PPIX-2CD) and azobenzene (AZO)-focused hydrophobic/hydrophilic hyperbranched polymers. The supramolecular Janus particles were hierarchically constructed into photoresponsive vesicles, which disassembled under the irradiation of ultraviolet (UV) light because of the trans- to cis-isomerization of the AZO groups. Results show that the PPIX-inserted vesicles exhibited excellent photostability against intense infrared radiation and good singlet oxygen producing ability.

Graphical abstract: Hierarchical self-assembly of protoporphyrin IX-bridged Janus particles into photoresponsive vesicles

Supplementary files

Article information

Article type
Paper
Submitted
11 Jan 2016
Accepted
07 Mar 2016
First published
11 Mar 2016

RSC Adv., 2016,6, 31053-31058

Hierarchical self-assembly of protoporphyrin IX-bridged Janus particles into photoresponsive vesicles

Y. Xu, L. Wang, X. Zhu and C. Wang, RSC Adv., 2016, 6, 31053 DOI: 10.1039/C6RA00836D

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