Emergence of practical fluorescence in a confined space of nanoporous silica: significantly enhanced quantum yields of a conjugated molecule

Author:

Hayashi Kosei12ORCID,Fujimaki Yasuto1,Mishiba Kentaro1ORCID,Watanabe Hiroto2ORCID,Imai Hiroaki2ORCID

Affiliation:

1. Tokyo Metropolitan Industrial Technology Research Institute (TIRI), 2-4-10 Aomi. Koto-ku, Tokyo, 135-0064, Japan

2. Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan

Abstract

The fluorescence of benzanthrone, which is a conjugated molecule bearing a carbonyl group, is activated by confinement in a pore with a diameter close to the molecular size.

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

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