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Rational Management of Photons for Enhanced Photocatalysis in Structurally-Colored Nanoporous Anodic Alumina Photonic Crystals

Само за регистроване кориснике
2019
Аутори
Lim, Siew Yee
Law, Cheryl Suwen
Marković, Marijana
Marsal, Lluís F.
Voelcker, Nicolas H.
Abell, Andrew D.
Santos, Abel
Чланак у часопису (Објављена верзија)
,
American Chemical Society (ACS)
Метаподаци
Приказ свих података о документу
Апстракт
A comprehensive study on the engineering of titanium dioxide-functionalized nanoporous anodic alumina distributed Bragg reflectors (TiO2–NAA-DBRs) for photocatalysis enhanced by the “slow photon” effect is presented. The photocatalytic performance of these composite photonic crystals (PCs) is assessed by monitoring photodegradation of a variety of organic molecules with absorbance bands across the spectral regions. This study demonstrates that photocatalytic performance of TiO2–NAA-DBRs is enhanced by the “slow photon” effect when the edges of the PC’s photonic stopband (PSB) fall within the absorbance band of the organic molecules. The photocatalytic performance is significantly enhanced when the PSB’s red edge is in close proximity to the absorbance band of the organic molecules. Overall photocatalytic degradation is also dependent on the total pore length of the PC structure, charge of the organic molecules, percentage of vis–near-IR irradiation, and matrix complexity (i.e., interfe...ring ions and molecules) when the PC’s PSB is partially or entirely misaligned with respect to the absorbance band of the organic molecules. Finally, the real-life application of TiO2–NAA-DBRs to degrade pollutants such as pesticides in environmental matrices is demonstrated. This study provides new insights into the development of rationally engineered, high-performing, safe, and reusable photocatalyst systems.

Кључне речи:
photocatalysis / photonic crystals / slow photons / stopband / pulse anodization
Извор:
ACS Applied Energy Materials, 2019, 2, 2, 1169-1184
Издавач:
  • American Chemical Society (ACS)
Пројекти:
  • Australian Research Council (ARC) - Grant No. CE140100003
  • School of Chemical Engineering, the University of Adelaide (DVCR “Research for Impact” initiative)
  • Institute for Photonics and Advanced Sensing (IPAS)
  • ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP)
  • Spanish Ministry of Economy and Competitiveness Grant No. TEC2015-71324-R (MINECO/FEDER)
  • Catalan authority Grant No. AGAUR 2017SGR1527
  • ICREA Academia Award
Напомена:
  • Peer-reviewed version: http://cer.ihtm.bg.ac.rs/handle/123456789/2989

DOI: 10.1021/acsaem.8b01721

ISSN: 2574-0962

WoS: 000459948900029

Scopus: 2-s2.0-85064975438
[ Google Scholar ]
13
11
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2988
Колекције
  • Radovi istraživača / Researchers' publications
Институција
IHTM
TY  - JOUR
AU  - Lim, Siew Yee
AU  - Law, Cheryl Suwen
AU  - Marković, Marijana
AU  - Marsal, Lluís F.
AU  - Voelcker, Nicolas H.
AU  - Abell, Andrew D.
AU  - Santos, Abel
PY  - 2019
UR  - http://cer.ihtm.bg.ac.rs/handle/123456789/2988
AB  - A comprehensive study on the engineering of titanium dioxide-functionalized nanoporous anodic alumina distributed Bragg reflectors (TiO2–NAA-DBRs) for photocatalysis enhanced by the “slow photon” effect is presented. The photocatalytic performance of these composite photonic crystals (PCs) is assessed by monitoring photodegradation of a variety of organic molecules with absorbance bands across the spectral regions. This study demonstrates that photocatalytic performance of TiO2–NAA-DBRs is enhanced by the “slow photon” effect when the edges of the PC’s photonic stopband (PSB) fall within the absorbance band of the organic molecules. The photocatalytic performance is significantly enhanced when the PSB’s red edge is in close proximity to the absorbance band of the organic molecules. Overall photocatalytic degradation is also dependent on the total pore length of the PC structure, charge of the organic molecules, percentage of vis–near-IR irradiation, and matrix complexity (i.e., interfering ions and molecules) when the PC’s PSB is partially or entirely misaligned with respect to the absorbance band of the organic molecules. Finally, the real-life application of TiO2–NAA-DBRs to degrade pollutants such as pesticides in environmental matrices is demonstrated. This study provides new insights into the development of rationally engineered, high-performing, safe, and reusable photocatalyst systems.
PB  - American Chemical Society (ACS)
T2  - ACS Applied Energy Materials
T1  - Rational Management of Photons for Enhanced Photocatalysis in Structurally-Colored Nanoporous Anodic Alumina Photonic Crystals
VL  - 2
IS  - 2
SP  - 1169
EP  - 1184
DO  - 10.1021/acsaem.8b01721
ER  - 
@article{
author = "Lim, Siew Yee and Law, Cheryl Suwen and Marković, Marijana and Marsal, Lluís F. and Voelcker, Nicolas H. and Abell, Andrew D. and Santos, Abel",
year = "2019",
url = "http://cer.ihtm.bg.ac.rs/handle/123456789/2988",
abstract = "A comprehensive study on the engineering of titanium dioxide-functionalized nanoporous anodic alumina distributed Bragg reflectors (TiO2–NAA-DBRs) for photocatalysis enhanced by the “slow photon” effect is presented. The photocatalytic performance of these composite photonic crystals (PCs) is assessed by monitoring photodegradation of a variety of organic molecules with absorbance bands across the spectral regions. This study demonstrates that photocatalytic performance of TiO2–NAA-DBRs is enhanced by the “slow photon” effect when the edges of the PC’s photonic stopband (PSB) fall within the absorbance band of the organic molecules. The photocatalytic performance is significantly enhanced when the PSB’s red edge is in close proximity to the absorbance band of the organic molecules. Overall photocatalytic degradation is also dependent on the total pore length of the PC structure, charge of the organic molecules, percentage of vis–near-IR irradiation, and matrix complexity (i.e., interfering ions and molecules) when the PC’s PSB is partially or entirely misaligned with respect to the absorbance band of the organic molecules. Finally, the real-life application of TiO2–NAA-DBRs to degrade pollutants such as pesticides in environmental matrices is demonstrated. This study provides new insights into the development of rationally engineered, high-performing, safe, and reusable photocatalyst systems.",
publisher = "American Chemical Society (ACS)",
journal = "ACS Applied Energy Materials",
title = "Rational Management of Photons for Enhanced Photocatalysis in Structurally-Colored Nanoporous Anodic Alumina Photonic Crystals",
volume = "2",
number = "2",
pages = "1169-1184",
doi = "10.1021/acsaem.8b01721"
}
Lim SY, Law CS, Marković M, Marsal LF, Voelcker NH, Abell AD, Santos A. Rational Management of Photons for Enhanced Photocatalysis in Structurally-Colored Nanoporous Anodic Alumina Photonic Crystals. ACS Applied Energy Materials. 2019;2(2):1169-1184
Lim, S. Y., Law, C. S., Marković, M., Marsal, L. F., Voelcker, N. H., Abell, A. D.,& Santos, A. (2019). Rational Management of Photons for Enhanced Photocatalysis in Structurally-Colored Nanoporous Anodic Alumina Photonic Crystals.
ACS Applied Energy MaterialsAmerican Chemical Society (ACS)., 2(2), 1169-1184.
https://doi.org/10.1021/acsaem.8b01721
Lim Siew Yee, Law Cheryl Suwen, Marković Marijana, Marsal Lluís F., Voelcker Nicolas H., Abell Andrew D., Santos Abel, "Rational Management of Photons for Enhanced Photocatalysis in Structurally-Colored Nanoporous Anodic Alumina Photonic Crystals" 2, no. 2 (2019):1169-1184,
https://doi.org/10.1021/acsaem.8b01721 .

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