Two-colour photoswitching in photoresponsive inorganic thin films
Journal article, 2021

Herein we report the first example of an inorganic photochromic material that allows for spatial addressability. We designed a photoresponsive thin film based on a ruthenium sulfoxide complex, [Ru(deeb)2PySO-iPr]2+, which was immobilized onto a mesoporous ZrO2 surface. The resulting material allows for all-optical detection and shows reversible, selective, photochromic behavior that can be cycled back and forth. The photosiomerization quantum yield is lower on the film than in solution which is attributed to a combination of the immobilization and steric hindrance by molecules in close proximity as evident from a surface coverage dependence of the photoisomerization quantum yield. The results reported here provide an important step towards inorganic photoswitchable materials.

Author

Elin Sundin

Chalmers, Chemistry and Chemical Engineering, Chemistry and Biochemistry, Physical Chemistry

Fredrik Johansson

Chalmers, Chemistry and Chemical Engineering, Chemistry and Biochemistry, Physical Chemistry

Valeria Saavedra

Chalmers, Chemistry and Chemical Engineering, Chemistry and Biochemistry, Physical Chemistry

Joachim Wallenstein

Chalmers, Physics, Materials Physics

August Gasslander

Jerker Mårtensson

Chalmers, Chemistry and Chemical Engineering, Chemistry and Biochemistry

Maria Abrahamsson

Chalmers, Chemistry and Chemical Engineering, Chemistry and Biochemistry

Materials Advances

2633-5409 (eISSN)

Vol. 2 7 2328-2333

Subject Categories

Inorganic Chemistry

Textile, Rubber and Polymeric Materials

Materials Chemistry

Infrastructure

Chalmers Infrastructure for Mass spectrometry

DOI

10.1039/d1ma00013f

More information

Latest update

6/29/2021