Integrated photoelectrochemical energy storage cells prepared by benchtop ion soft landing
2022
Prabhakaran, Venkateshkumar | Romo, Joelle | Bhattarai, Ashish | George, Kyle | Norberg, Zachary M. | Kalb, David | Aprà, Edoardo | Kottke, Peter A. | Fedorov, Andrei G. | El-Khoury, Patrick Z. | Johnson, Grant E. | Laskin, Julia
The exceptional photochromic and redox properties of polyoxometalate anions, PW₁₂O₄₀³⁻, have been exploited to develop an integrated photoelectrochemical energy storage cell for conversion and storage of solar energy. Elimination of strongly coordinating cations using benchtop ion soft landing leads to a ∼370% increase in the maximum power output of the device. Additionally, the photocathode displayed a pronounced color change from clear to blue upon irradiation, which warrants the potential application of the IPES cell in advanced smart windows and photochromic lenses.
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