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Tunable top-down fabrication and functional surface coating of single-crystal titanium dioxide nanostructures and nanoparticles. / Dekker, Nynke; Ha, Seungkyu; Janissen, Richard; Ussembayev, Yera; van Oene, Maarten; Solano Hermosilla, Belen.

In: Nanoscale, 18.04.2016.

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@article{cea449cd776f4e0b8f26dc8821be36ce,
title = "Tunable top-down fabrication and functional surface coating of single-crystal titanium dioxide nanostructures and nanoparticles",
abstract = "Titanium dioxide (TiO2) is a key component of diverse optical and electronic applications that exploit its exceptional material properties. In particular, the use of TiO2 in its single-crystalline phase can offer substantial advantages over its amorphous and polycrystalline phases for existing and yet-to-be-developed applications. However, the implementation of single-crystal TiO2 has been hampered by challenges in its fabrication and subsequent surface functionalization. Here, we introduce a novel top-down approach that allows for batch fabrication of uniform high-aspect-ratio single-crystal TiO2 nanostructures with targeted sidewall profiles. We complement our fabrication approach with a functionalization strategy that achieves dense, uniform, and area-selective coating with a variety of biomolecules. This allows us to fabricate single-crystal rutile TiO2 nanocylinders tethered with individual DNA molecules for use as force- and torque-transducers in an optical torque wrench. These developments provide the means for increased exploitation of the superior material properties of single-crystal TiO2 at the nanoscale.",
keywords = "Open Access, Gold for Gold",
author = "Nynke Dekker and Seungkyu Ha and Richard Janissen and Yera Ussembayev and {van Oene}, Maarten and {Solano Hermosilla}, Belen",
note = "Gold For Gold voucher Au-036291",
year = "2016",
month = "4",
day = "18",
doi = "10.1039/C6NR00898D",
language = "English",
journal = "Nanoscale",
issn = "2040-3364",
publisher = "Royal Society of Chemistry",

}

RIS

TY - JOUR

T1 - Tunable top-down fabrication and functional surface coating of single-crystal titanium dioxide nanostructures and nanoparticles

AU - Dekker, Nynke

AU - Ha, Seungkyu

AU - Janissen, Richard

AU - Ussembayev, Yera

AU - van Oene, Maarten

AU - Solano Hermosilla, Belen

N1 - Gold For Gold voucher Au-036291

PY - 2016/4/18

Y1 - 2016/4/18

N2 - Titanium dioxide (TiO2) is a key component of diverse optical and electronic applications that exploit its exceptional material properties. In particular, the use of TiO2 in its single-crystalline phase can offer substantial advantages over its amorphous and polycrystalline phases for existing and yet-to-be-developed applications. However, the implementation of single-crystal TiO2 has been hampered by challenges in its fabrication and subsequent surface functionalization. Here, we introduce a novel top-down approach that allows for batch fabrication of uniform high-aspect-ratio single-crystal TiO2 nanostructures with targeted sidewall profiles. We complement our fabrication approach with a functionalization strategy that achieves dense, uniform, and area-selective coating with a variety of biomolecules. This allows us to fabricate single-crystal rutile TiO2 nanocylinders tethered with individual DNA molecules for use as force- and torque-transducers in an optical torque wrench. These developments provide the means for increased exploitation of the superior material properties of single-crystal TiO2 at the nanoscale.

AB - Titanium dioxide (TiO2) is a key component of diverse optical and electronic applications that exploit its exceptional material properties. In particular, the use of TiO2 in its single-crystalline phase can offer substantial advantages over its amorphous and polycrystalline phases for existing and yet-to-be-developed applications. However, the implementation of single-crystal TiO2 has been hampered by challenges in its fabrication and subsequent surface functionalization. Here, we introduce a novel top-down approach that allows for batch fabrication of uniform high-aspect-ratio single-crystal TiO2 nanostructures with targeted sidewall profiles. We complement our fabrication approach with a functionalization strategy that achieves dense, uniform, and area-selective coating with a variety of biomolecules. This allows us to fabricate single-crystal rutile TiO2 nanocylinders tethered with individual DNA molecules for use as force- and torque-transducers in an optical torque wrench. These developments provide the means for increased exploitation of the superior material properties of single-crystal TiO2 at the nanoscale.

KW - Open Access

KW - Gold for Gold

UR - http://resolver.tudelft.nl/uuid:cea449cd-776f-4e0b-8f26-dc8821be36ce

U2 - 10.1039/C6NR00898D

DO - 10.1039/C6NR00898D

M3 - Article

JO - Nanoscale

T2 - Nanoscale

JF - Nanoscale

SN - 2040-3364

ER -

ID: 4220086