Formation of poly(Azure A)-C60 photoactive layer as a novel approach in the heterogeneous photogeneration of singlet oxygen

被引：13
作者：
Blacha-Grzechnik, Agata [1 ]
Piwowar, Katarzyna [1 ]
Zdyb, Tomasz [1 ]
Krzywiecki, Maciej [2 ]
机构：
[1] Silesian Tech Univ, Fac Chem, Strzody 9, PL-44100 Gliwice, Poland
[2] Silesian Tech Univ, Inst Phys, CSE, Konarskiego 22B, PL-44100 Gliwice, Poland
来源：
APPLIED SURFACE SCIENCE | 2018年 / 457卷
基金：
欧盟地平线“2020”;
关键词：
Photoactive layers; Singlet oxygen photogeneration; Phenothiazines; Fullerene; Photosensitizers' immobilization; RAY PHOTOELECTRON-SPECTROSCOPY; ELECTROCHEMICAL REDUCTION; PHOTOCHEMICAL GENERATION; FULLERENE; SURFACE; DERIVATIVES; WATER; GOLD; PHENOTHIAZINES; PHOTOOXIDATION;
D O I：
10.1016/j.apsusc.2018.06.262
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Fullerene, C-60 photosensitizer was incorporated into poly(Azure A) in the process of electrochemical polymerization from the solution of corresponding dye and fullerene. The synthesized organic layer (PAA_C-60/ITO) was characterized by means of cyclic voltammetry, UV-Vis, Raman and X-ray photoelectron spectroscopies. It was shown that PAA_C-60/ITO exhibits strong absorption in both UV and Vis regions and that both immobilized photosensitizers, i.e. Azure A and C-60, retain their photochemical activity towards O-1(2) generation under illumination as tested with 2,3,4,5-tetraphenylcyclopentadienone (TPCPD) singlet oxygen quencher. The electrodeposited photoactive layer composed of two photosensitizers was investigated as a source of O-1(2) in the process of alpha-terpinene oxidation.
引用
收藏
页码：221 / 228
页数：8
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