期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 46, 期 -, 页码 75-78出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2014.06.012
关键词
Nanosphere lithography; Ruthenium complexes; Electropolymerization; Metallopolymers; Photoelectrochemistry
资金
- Iuliu Hatieganu Foundation
- platform Chimie NanoBio ICMG [FR 2607]
- LabEx ARCANE [ANR-11-LABX-0003-01]
- [ANR-12-JS08-0006-01 PHOBIOS]
900- and 100-nm-diameter polystyrene beads were combined with electrogenerated photosensitive poly-[tris(4,4-bis(3-pyrrol-1-ylpropyloxy)bipyridinyl)ruthenium(II)], (poly-[Ru-II-pyrrole]), metallopolymer on glassy carbon electrodes. Nanosphere lithography (NSL) with 900-nm-diameter microbead mask affords the realization of a nanostructured polymer (after dissolution of the polystyrene templates) with a typical highly-organized honeycomb nanostructure. NSL with 100-nm-diameter-nanobead mask allowed the achievement of a highly macroporous metallopolymer. The nanostructured Ru(II)-based metallopolymer was characterized by 3D laser scanning confocal microscopy and scanning electron microscopy (SEM). Electrochemical and photoelectrochemical studies demonstrate the enhancement of redox probe diffusion in the polymer layer for nanopatterned poly-[Ru-II-pyrrole]. This is accompanied with photocurrent enhancement for nanostructured polymer, especially in the case of poly-[Ru-II-pyrrole] obtained by the 100 nm-nanobead NSL. (C) 2014 Elsevier B.V. All rights reserved.
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