Near-infrared photoelectrochromic device with graphene quantum dot modified WO3 thin film toward fast-response thermal management for self-powered Agrivoltaics

Ling Yu Chang; Ching Cheng Chang; Mia Rinawati; Yu Hsin Chang; Yao Sheng Cheng; Kuo Chuan Ho; Chia Chin Chen; Chia Her Lin; Chia Hsin Wang; Min Hsin Yeh

doi:10.1016/j.apenergy.2024.122930

Near-infrared photoelectrochromic device with graphene quantum dot modified WO₃ thin film toward fast-response thermal management for self-powered Agrivoltaics

Ling Yu Chang, Ching Cheng Chang, Mia Rinawati, Yu Hsin Chang, Yao Sheng Cheng, Kuo Chuan Ho, Chia Chin Chen, Chia Her Lin, Chia Hsin Wang, Min Hsin Yeh^*

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Agrivoltaic system is the use of land for both photovoltaic energy production through the installation of solar panels and for pastoral and crop cultivation. This work has proposed an idea of introducing a near-infrared photoelectrochromic device (NIR-PECD) into the agrivoltaic system for realizing the self-powered thermal management, revealing the temperature control for a greenhouse without external power supplier to increase the yield of the crops, while reducing the energy consumption for the plant growing. As a commercial and widely used electrochromic material in PECD, WO₃ has been reported as a significant and effective material in numerous electrochromic materials. To improve of electrochromic response of WO₃ for coloring/bleaching in NIR-PECD, in this study, graphene quantum dot (GQD) was introduced into the WO₃ to promote the electrochromic performance. The graphitic sp² structure and specific functional groups improved the WO₃ thin film's electrochromic results by enhancing the response rate and transmittance contrast. The NIR-PECD with GQD/WO₃ electrochromic layer showed a significant improvement in response time for bleaching (93.3 s), compared to the case with pristine WO₃ one (271 s). The photocoloration efficiency (PhCE) of NIR-PECD was also improved from 55.85 to 96.46 cm² min⁻¹ W⁻¹ after introducing GQD into the WO₃ thin film. Under 1 sun illumination, the colored state and bleached state of NIR-PECD with GQD/WO₃ electrochromic layer showed a temperature difference of 8.7 °C. GQD/WO₃ thin film maintained approximately 90% of the original transmittance contrast after 1000 cycles of coloring and bleaching, due to the hydrogen bonds formed between functional groups on GQD and WO₃. By integrating the Prussian blue (PB) electrochromic electrode, GQD/WO₃-PB complementary NIR-PECD can achieve self-powered indoor thermal management by changing the transmittance as an agrivoltaic system.

Original language	English
Article number	122930
Journal	Applied Energy
Volume	361
DOIs	https://doi.org/10.1016/j.apenergy.2024.122930
Publication status	Published - 2024 May 1

Keywords

Agrivoltaics
Graphene quantum dot
Photoelectrochromic device
Self-powered
Thermal management
Tungsten trioxide

ASJC Scopus subject areas

Building and Construction
Renewable Energy, Sustainability and the Environment
Mechanical Engineering
General Energy
Management, Monitoring, Policy and Law

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.apenergy.2024.122930

Cite this

Chang, L. Y., Chang, C. C., Rinawati, M., Chang, Y. H., Cheng, Y. S., Ho, K. C., Chen, C. C., Lin, C. H., Wang, C. H., & Yeh, M. H. (2024). Near-infrared photoelectrochromic device with graphene quantum dot modified WO₃ thin film toward fast-response thermal management for self-powered Agrivoltaics. Applied Energy, 361, Article 122930. https://doi.org/10.1016/j.apenergy.2024.122930

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title = "Near-infrared photoelectrochromic device with graphene quantum dot modified WO3 thin film toward fast-response thermal management for self-powered Agrivoltaics",

abstract = "Agrivoltaic system is the use of land for both photovoltaic energy production through the installation of solar panels and for pastoral and crop cultivation. This work has proposed an idea of introducing a near-infrared photoelectrochromic device (NIR-PECD) into the agrivoltaic system for realizing the self-powered thermal management, revealing the temperature control for a greenhouse without external power supplier to increase the yield of the crops, while reducing the energy consumption for the plant growing. As a commercial and widely used electrochromic material in PECD, WO3 has been reported as a significant and effective material in numerous electrochromic materials. To improve of electrochromic response of WO3 for coloring/bleaching in NIR-PECD, in this study, graphene quantum dot (GQD) was introduced into the WO3 to promote the electrochromic performance. The graphitic sp2 structure and specific functional groups improved the WO3 thin film's electrochromic results by enhancing the response rate and transmittance contrast. The NIR-PECD with GQD/WO3 electrochromic layer showed a significant improvement in response time for bleaching (93.3 s), compared to the case with pristine WO3 one (271 s). The photocoloration efficiency (PhCE) of NIR-PECD was also improved from 55.85 to 96.46 cm2 min−1 W−1 after introducing GQD into the WO3 thin film. Under 1 sun illumination, the colored state and bleached state of NIR-PECD with GQD/WO3 electrochromic layer showed a temperature difference of 8.7 °C. GQD/WO3 thin film maintained approximately 90% of the original transmittance contrast after 1000 cycles of coloring and bleaching, due to the hydrogen bonds formed between functional groups on GQD and WO3. By integrating the Prussian blue (PB) electrochromic electrode, GQD/WO3-PB complementary NIR-PECD can achieve self-powered indoor thermal management by changing the transmittance as an agrivoltaic system.",

keywords = "Agrivoltaics, Graphene quantum dot, Photoelectrochromic device, Self-powered, Thermal management, Tungsten trioxide",

author = "Chang, {Ling Yu} and Chang, {Ching Cheng} and Mia Rinawati and Chang, {Yu Hsin} and Cheng, {Yao Sheng} and Ho, {Kuo Chuan} and Chen, {Chia Chin} and Lin, {Chia Her} and Wang, {Chia Hsin} and Yeh, {Min Hsin}",

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AU - Chang, Ling Yu

AU - Chang, Ching Cheng

AU - Rinawati, Mia

AU - Chang, Yu Hsin

AU - Cheng, Yao Sheng

AU - Ho, Kuo Chuan

AU - Chen, Chia Chin

AU - Lin, Chia Her

AU - Wang, Chia Hsin

AU - Yeh, Min Hsin

PY - 2024/5/1

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N2 - Agrivoltaic system is the use of land for both photovoltaic energy production through the installation of solar panels and for pastoral and crop cultivation. This work has proposed an idea of introducing a near-infrared photoelectrochromic device (NIR-PECD) into the agrivoltaic system for realizing the self-powered thermal management, revealing the temperature control for a greenhouse without external power supplier to increase the yield of the crops, while reducing the energy consumption for the plant growing. As a commercial and widely used electrochromic material in PECD, WO3 has been reported as a significant and effective material in numerous electrochromic materials. To improve of electrochromic response of WO3 for coloring/bleaching in NIR-PECD, in this study, graphene quantum dot (GQD) was introduced into the WO3 to promote the electrochromic performance. The graphitic sp2 structure and specific functional groups improved the WO3 thin film's electrochromic results by enhancing the response rate and transmittance contrast. The NIR-PECD with GQD/WO3 electrochromic layer showed a significant improvement in response time for bleaching (93.3 s), compared to the case with pristine WO3 one (271 s). The photocoloration efficiency (PhCE) of NIR-PECD was also improved from 55.85 to 96.46 cm2 min−1 W−1 after introducing GQD into the WO3 thin film. Under 1 sun illumination, the colored state and bleached state of NIR-PECD with GQD/WO3 electrochromic layer showed a temperature difference of 8.7 °C. GQD/WO3 thin film maintained approximately 90% of the original transmittance contrast after 1000 cycles of coloring and bleaching, due to the hydrogen bonds formed between functional groups on GQD and WO3. By integrating the Prussian blue (PB) electrochromic electrode, GQD/WO3-PB complementary NIR-PECD can achieve self-powered indoor thermal management by changing the transmittance as an agrivoltaic system.

AB - Agrivoltaic system is the use of land for both photovoltaic energy production through the installation of solar panels and for pastoral and crop cultivation. This work has proposed an idea of introducing a near-infrared photoelectrochromic device (NIR-PECD) into the agrivoltaic system for realizing the self-powered thermal management, revealing the temperature control for a greenhouse without external power supplier to increase the yield of the crops, while reducing the energy consumption for the plant growing. As a commercial and widely used electrochromic material in PECD, WO3 has been reported as a significant and effective material in numerous electrochromic materials. To improve of electrochromic response of WO3 for coloring/bleaching in NIR-PECD, in this study, graphene quantum dot (GQD) was introduced into the WO3 to promote the electrochromic performance. The graphitic sp2 structure and specific functional groups improved the WO3 thin film's electrochromic results by enhancing the response rate and transmittance contrast. The NIR-PECD with GQD/WO3 electrochromic layer showed a significant improvement in response time for bleaching (93.3 s), compared to the case with pristine WO3 one (271 s). The photocoloration efficiency (PhCE) of NIR-PECD was also improved from 55.85 to 96.46 cm2 min−1 W−1 after introducing GQD into the WO3 thin film. Under 1 sun illumination, the colored state and bleached state of NIR-PECD with GQD/WO3 electrochromic layer showed a temperature difference of 8.7 °C. GQD/WO3 thin film maintained approximately 90% of the original transmittance contrast after 1000 cycles of coloring and bleaching, due to the hydrogen bonds formed between functional groups on GQD and WO3. By integrating the Prussian blue (PB) electrochromic electrode, GQD/WO3-PB complementary NIR-PECD can achieve self-powered indoor thermal management by changing the transmittance as an agrivoltaic system.

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