TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications

TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications

Two-dimensional arrays of hollow nanotubes made of TiO<inline-formula> <math display="inline"> <semantics> <msub> <mrow></mrow> <mn>2</mn> </msub> </semantics> </math> </inline-formula> are a promising platform for sen...

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Bibliographic Details
Main Author: Christin David
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Materials
Subjects:
TiO<sub>2</sub> nanotubes
photonic crystals
optical engineering
theory and simulation
Online Access:https://www.mdpi.com/1996-1944/12/8/1332
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spelling doaj-39e38cdfde9547f7896cdac83d82dddc2020-11-24T22:20:51ZengMDPI AGMaterials1996-19442019-04-01128133210.3390/ma12081332ma12081332TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic ApplicationsChristin David0Madrid Institute for Advanced Studies in Nanoscience (IMDEA Nanoscience), C/Faraday 9, 28049 Madrid, SpainTwo-dimensional arrays of hollow nanotubes made of TiO<inline-formula> <math display="inline"> <semantics> <msub> <mrow></mrow> <mn>2</mn> </msub> </semantics> </math> </inline-formula> are a promising platform for sensing, spectroscopy and light harvesting applications. Their straightforward fabrication via electrochemical anodization, growing nanotube pillars of finite length from a Ti foil, allows precise tailoring of geometry and, thus, material properties. We theoretically investigate these photonic crystal structures with respect to reduction of front surface reflection, achievable field enhancement, and photonic bands. Employing the Rigorous Coupled Wave Analysis (RCWA), we study the optical response of photonic crystals made of thin-walled nanotubes relative to their bare Ti foil substrate, including under additional charge carrier doping which might occur during the growth process.https://www.mdpi.com/1996-1944/12/8/1332TiO<sub>2</sub> nanotubesphotonic crystalsoptical engineeringtheory and simulation
collection DOAJ
language English
format Article
sources DOAJ
author Christin David
spellingShingle Christin David
TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications
Materials
TiO<sub>2</sub> nanotubes
photonic crystals
optical engineering
theory and simulation
author_facet Christin David
author_sort Christin David
title TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications
title_short TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications
title_full TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications
title_fullStr TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications
title_full_unstemmed TiO<sub>2</sub> Self-Assembled, Thin-Walled Nanotube Arrays for Photonic Applications
title_sort tio<sub>2</sub> self-assembled, thin-walled nanotube arrays for photonic applications
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2019-04-01
description Two-dimensional arrays of hollow nanotubes made of TiO<inline-formula> <math display="inline"> <semantics> <msub> <mrow></mrow> <mn>2</mn> </msub> </semantics> </math> </inline-formula> are a promising platform for sensing, spectroscopy and light harvesting applications. Their straightforward fabrication via electrochemical anodization, growing nanotube pillars of finite length from a Ti foil, allows precise tailoring of geometry and, thus, material properties. We theoretically investigate these photonic crystal structures with respect to reduction of front surface reflection, achievable field enhancement, and photonic bands. Employing the Rigorous Coupled Wave Analysis (RCWA), we study the optical response of photonic crystals made of thin-walled nanotubes relative to their bare Ti foil substrate, including under additional charge carrier doping which might occur during the growth process.
topic TiO<sub>2</sub> nanotubes
photonic crystals
optical engineering
theory and simulation
url https://www.mdpi.com/1996-1944/12/8/1332
work_keys_str_mv AT christindavid tiosub2subselfassembledthinwallednanotubearraysforphotonicapplications
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