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Article

Carbon Dots-Decorated Bi2WO6 in an Inverse Opal Film as a Photoanode for Photoelectrochemical Solar Energy Conversion under Visible-Light Irradiation

1
School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
2
Guangdong Research and Design Center for Technological Economy, Guangzhou 510000, China
3
Luminous! Center of Excellence for Semiconductor Lighting and Displays, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
*
Author to whom correspondence should be addressed.
Materials 2019, 12(10), 1713; https://doi.org/10.3390/ma12101713
Received: 7 April 2019 / Revised: 17 May 2019 / Accepted: 22 May 2019 / Published: 27 May 2019
(This article belongs to the Special Issue Wearable Energy Harvesting and Storage Devices)
This work focuses on the crystal size dependence of photoactive materials and light absorption enhancement of the addition of carbon dots (CDs). mac-FTO (macroporous fluorine-doped tin oxide) films with an inverse opal structure are exploited to supply enhanced load sites and to induce morphology control for the embedded photoactive materials. The Bi2WO6@mac-FTO photoelectrode is prepared directly inside a mac-FTO film using a simple in situ synthesis method, and the application of CDs to the Bi2WO6@mac-FTO is achieved through an impregnation assembly for the manipulation of light absorption. The surface morphology, chemical composition, light absorption characteristics and photocurrent density of the photoelectrode are analyzed in detail by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), UV–vis diffuse reflectance spectra (DRS), Energy dispersive X-ray analysis (EDX) and linear sweep voltammetry (LSV). View Full-Text
Keywords: photoelectrode; carbon dots; macroporous electrode photoelectrode; carbon dots; macroporous electrode
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MDPI and ACS Style

Luo, D.; Chen, Q.; Qiu, Y.; Liu, B.; Zhang, M. Carbon Dots-Decorated Bi2WO6 in an Inverse Opal Film as a Photoanode for Photoelectrochemical Solar Energy Conversion under Visible-Light Irradiation. Materials 2019, 12, 1713. https://doi.org/10.3390/ma12101713

AMA Style

Luo D, Chen Q, Qiu Y, Liu B, Zhang M. Carbon Dots-Decorated Bi2WO6 in an Inverse Opal Film as a Photoanode for Photoelectrochemical Solar Energy Conversion under Visible-Light Irradiation. Materials. 2019; 12(10):1713. https://doi.org/10.3390/ma12101713

Chicago/Turabian Style

Luo, Dongxiang, Qizan Chen, Ying Qiu, Baiquan Liu, and Menglong Zhang. 2019. "Carbon Dots-Decorated Bi2WO6 in an Inverse Opal Film as a Photoanode for Photoelectrochemical Solar Energy Conversion under Visible-Light Irradiation" Materials 12, no. 10: 1713. https://doi.org/10.3390/ma12101713

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