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Spanning the Solar Spectrum: Azopolymer Solar Thermal Fuels for Simultaneous UV and Visible Light Storage

Spanning the Solar Spectrum: Azopolymer Solar Thermal Fuels for Simultaneous UV and Visible Light... COMMUNICATION www.advancedsciencenews.com www.advenergymat.de Spanning the Solar Spectrum: Azopolymer Solar Thermal Fuels for Simultaneous UV and Visible Light Storage Andrew K. Saydjari, Philipp Weis, and Si Wu* As the energy consumption continues its precipitous rise, the problematic (mAzo, Figure 1B). Therefore, fabrication of an need for alternative energy sources has become more pressing. azo-STC that can operate efficiently under full-spectrum solar The sun represents one such promising source since current irradiation remains a challenge. energy consumption levels correspond to only ≈0.1% of the Herein, we demonstrated an integrated azo-STC device that [1] yearly solar output incident on the earth’s surface. Solar could efficiently store both UV and visible light under full- thermal cells (STCs) chemically store solar energy when photon spectrum solar irradiation. From top to bottom, the device con- absorption from sun light converts low-energy isomers to high- sisted of Coumarin 314, PmAzo, a UV-pass filter, and PAzo energy isomers. Heating or catalysis can release the stored solar (Figure 1C,D). The four-layer device featured two active cells to energy as heat, generating only the low-energy isomer which is store solar energy and two filtering layers to modify the effective [2] ready for additional charging. Fuel cells derived from this http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Spanning the Solar Spectrum: Azopolymer Solar Thermal Fuels for Simultaneous UV and Visible Light Storage

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Publisher
Wiley
Copyright
© 2017 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201601622
Publisher site
See Article on Publisher Site

Abstract

COMMUNICATION www.advancedsciencenews.com www.advenergymat.de Spanning the Solar Spectrum: Azopolymer Solar Thermal Fuels for Simultaneous UV and Visible Light Storage Andrew K. Saydjari, Philipp Weis, and Si Wu* As the energy consumption continues its precipitous rise, the problematic (mAzo, Figure 1B). Therefore, fabrication of an need for alternative energy sources has become more pressing. azo-STC that can operate efficiently under full-spectrum solar The sun represents one such promising source since current irradiation remains a challenge. energy consumption levels correspond to only ≈0.1% of the Herein, we demonstrated an integrated azo-STC device that [1] yearly solar output incident on the earth’s surface. Solar could efficiently store both UV and visible light under full- thermal cells (STCs) chemically store solar energy when photon spectrum solar irradiation. From top to bottom, the device con- absorption from sun light converts low-energy isomers to high- sisted of Coumarin 314, PmAzo, a UV-pass filter, and PAzo energy isomers. Heating or catalysis can release the stored solar (Figure 1C,D). The four-layer device featured two active cells to energy as heat, generating only the low-energy isomer which is store solar energy and two filtering layers to modify the effective [2] ready for additional charging. Fuel cells derived from this

Journal

Advanced Energy Materials – Wiley

Published: Feb 1, 2017

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