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Updated: May 5, 2026

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
Published on: September 12, 2014
Diaryl-substituted norbornadienes with red-shifted absorption for molecular solar thermal energy storage
Victor Gray1, Anders Lennartson, Phasin Ratanalert
1Department of Chemical and Biological Engineering, Chalmers Technical University, Gothenburg, Sweden. kasper.moth-poulsen@chalmers.com.
Abstract:
Red-shifting the absorption of norbornadienes (NBDs), into the visible region, enables the photo-isomerization of NBDs to quadricyclanes (QCs) to be driven by sunlight. This is necessary in order to utilize the NBD-QC system for molecular solar thermal (MOST) energy storage. Reported here is a study on five diaryl-substituted norbornadienes. The introduced aryl-groups induce a significant red-shift of the UV/vis absorption spectrum of the norbornadienes, and device experiments using a solar-simulator set-up demonstrate the potential use of these compounds for MOST energy storage.
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