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High Energy Density in Azobenzene-based Materials for Photo-Thermal Batteries via Controlled Polymer Architecture and Polymer-Solvent Interactions.


ABSTRACT: Energy densities of ~510?J/g (max: 698?J/g) have been achieved in azobenzene-based syndiotactic-rich poly(methacrylate) polymers. The processing solvent and polymer-solvent interactions are important to achieve morphologically optimal structures for high-energy density materials. This work shows that morphological changes of solid-state syndiotactic polymers, driven by different solvent processings play an important role in controlling the activation energy of Z-E isomerization as well as the shape of the DSC exotherm. Thus, this study shows the crucial role of processing solvents and thin film structure in achieving higher energy densities.

SUBMITTER: Jeong SP 

PROVIDER: S-EPMC5736555 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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High Energy Density in Azobenzene-based Materials for Photo-Thermal Batteries via Controlled Polymer Architecture and Polymer-Solvent Interactions.

Jeong Seung Pyo SP   Renna Lawrence A LA   Boyle Connor J CJ   Kwak Hyunwook S HS   Harder Edward E   Damm Wolfgang W   Venkataraman Dhandapani D  

Scientific reports 20171219 1


Energy densities of ~510 J/g (max: 698 J/g) have been achieved in azobenzene-based syndiotactic-rich poly(methacrylate) polymers. The processing solvent and polymer-solvent interactions are important to achieve morphologically optimal structures for high-energy density materials. This work shows that morphological changes of solid-state syndiotactic polymers, driven by different solvent processings play an important role in controlling the activation energy of Z-E isomerization as well as the sh  ...[more]

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