Issue 4, 2022
From the journal:

Materials Advances

Singlet oxygen formation from photoexcited P3HT:PCBM films applied in oxidation reactions†

Aleksandra Nyga, ORCID logo ab   Agata Blacha-Grzechnik,*ab   Przemysław Podsiadły,b   Alicja Duda, ORCID logo b   Kinga Kępska,a   Maciej Krzywiecki, ORCID logo c   Radosław Motyka, ORCID logo b   René A. J. Janssen ORCID logo d  and  Przemysław Data ORCID logo *a  

* Corresponding authors

a Centre for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22b, 44-100 Gliwice, Poland
E-mail: przemyslaw.data@polsl.pl, agata.blacha@polsl.pl

b Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland

c Institute of Physics – CSE, Silesian University of Technology, Konarskiego 22b, 44-100 Gliwice, Poland

d Molecular Materials and Nanosystems & Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513, Eindhoven, The Netherlands

Abstract

Poly(3-hexylthiophene) thin films containing carbon-based nanostructures, i.e. fullerenes such as buckminsterfullerene (C60) or phenyl-C61-butyric acid methyl ester (PCBM), or single-walled carbon nanotubes, were investigated as heterogeneous photosensitizers producing singlet oxygen (1O2) in aerated organic solvents. Thin films were deposited on borosilicate glass using spin coating and characterized by profilometry, UV-vis, Raman and XPS. Photogeneration of 1O2 was confirmed by photooxidation of 1,3-diphenylisobenzofuran and by reaction of 1,5-dihydroxynaphthalene to juglone. The photochemical efficiency of the blends was found to depend on the carbon-based photosensitizer and can be increased by varying its concentration in the poly(3-hexylthiophene) matrix.

Graphical abstract: Singlet oxygen formation from photoexcited P3HT:PCBM films applied in oxidation reactions

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Article information

DOI
https://doi.org/10.1039/D1MA01151K
Article type
Paper
Submitted
05 Dec 2021
Accepted
13 Jan 2022
First published
13 Jan 2022
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2022,3, 2063-2069

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Singlet oxygen formation from photoexcited P3HT:PCBM films applied in oxidation reactions

A. Nyga, A. Blacha-Grzechnik, P. Podsiadły, A. Duda, K. Kępska, M. Krzywiecki, R. Motyka, R. A. J. Janssen and P. Data, Mater. Adv., 2022, 3, 2063 DOI: 10.1039/D1MA01151K

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