4.8 Article

Photon Energy Storage in Strained Cyclic Hydrazones: Emerging Molecular Solar Thermal Energy Storage Compounds

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 144, Issue 28, Pages 12627-12631

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.2c05384

Keywords

-

Funding

  1. Air Force Office of Scientific Research [FA9550-22-1-0254]
  2. NSF CAREER award [DMR-2142887]
  3. Brandeis MRSEC [DMR-2011846]
  4. NSF MSN program [CHE-1807428]

Ask authors/readers for more resources

A new type of hydrazone photoswitch was developed, with a macrocyclic structure and phase transition feature, which can store a large amount of energy. It provides a promising strategy for molecular solar thermal energy storage applications.
The generally small Gibbs free energy difference between the Z and E isomers of hydrazone photoswitches has so far precluded their use in photon energy storing applications. Here, we report on a series of cyclic and acyclic hydrazones, which possess varied degrees of ring strain and, hence, stability of E isomers. The photoinduced isomerization and concurrent phase transition of the cyclic hydrazones from a crystalline to a liquid phase result in the storage of a large quantity of energy, comparable to that of azobenzene derivatives. We demonstrate that the macrocyclic photochrome design in combination with phase transition is a promising strategy for molecular solar thermal energy storage applications.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.8
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

No Data Available
No Data Available