Generating and tuning slow photons at multiple spectral regions in bilayer inverse opal TiO2-BiVO4 photonic structures for highly enhanced visible light photocatalysis

Thomas Lourdu Madanu; Sébastien Mouchet; Laroussi Chaabane; Olivier Deparis; Bao-Lian Su

doi:10.1117/12.2676857

5 October 2023 Generating and tuning slow photons at multiple spectral regions in bilayer inverse opal TiO₂-BiVO₄ photonic structures for highly enhanced visible light photocatalysis

Thomas Lourdu Madanu, Sébastien Mouchet, Laroussi Chaabane, Olivier Deparis, Bao-Lian Su

Author Affiliations +

Proceedings Volume PC12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX; PC1265303 (2023) https://doi.org/10.1117/12.2676857
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Metal-oxide semiconductors molded into photonic structures are highly promising for photocatalysis, thanks to their unique property of slowing down light, thereby improving light harvesting. However, this ‘slow light’ is limited to specific frequencies in a narrow spectral region. To address this, we fabricated bilayer-bimodal inverse opal (IO) TiO2-BiVO4 photonic structures that generated slow photons at multiple spectral regions. We tuned their frequencies by lattice parameter and light incidence-angle variations and achieved an 8-fold and a 2-fold increase in photocatalytic efficiency compared to non-structured and monolayer counterparts respectively. The strategies presented here can be extended to all solar energy conversion applications.

Conference Presentation

Citation Download Citation

Thomas Lourdu Madanu, Sébastien Mouchet, Laroussi Chaabane, Olivier Deparis, and Bao-Lian Su "Generating and tuning slow photons at multiple spectral regions in bilayer inverse opal TiO₂-BiVO₄ photonic structures for highly enhanced visible light photocatalysis", Proc. SPIE PC12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX, PC1265303 (5 October 2023); https://doi.org/10.1117/12.2676857

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available