The Diatom Peptide R5 Fabricates Two-Dimensional Titanium Dioxide Nanosheets

Mikkel Bregnhøj; Helmut Lutz; Steven J. Roeters; Ingo Lieberwirth; Rolf Mertig; Tobias Weidner

doi:10.1021/acs.jpclett.2c01088

The Diatom Peptide R5 Fabricates Two-Dimensional Titanium Dioxide Nanosheets

Mikkel Bregnhøj
, Helmut Lutz
, Steven J. Roeters
, Ingo Lieberwirth
, Rolf Mertig
, Tobias Weidner^*

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

5 Citations (Scopus)

Abstract

Diatoms use peptides based on the protein silaffin to fabricate their silica cell walls. To the interest of material scientists, silaffin peptides can also produce titanium dioxide nanoparticles. Peptide-based synthesis could present an environmentally friendly route to the synthesis of titanium dioxide nanomaterials with potential applications in water splitting and for biocompatible materials design. Two-dimensional nanomaterials have exceptional surface-to-volume ratios and are particularly suited for these applications. We here demonstrate how the silaffin peptide R5 can precipitate free-standing and self-supported sheets of titanium dioxide at the air-water interface, which are stable over tens of micrometers.

Original language	English
Journal	The Journal of Physical Chemistry Letters
Volume	13
Issue	22
Pages (from-to)	5025-5029
Number of pages	5
ISSN	1948-7185
DOIs	https://doi.org/10.1021/acs.jpclett.2c01088
Publication status	Published - Jun 2022

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title = "The Diatom Peptide R5 Fabricates Two-Dimensional Titanium Dioxide Nanosheets",

abstract = "Diatoms use peptides based on the protein silaffin to fabricate their silica cell walls. To the interest of material scientists, silaffin peptides can also produce titanium dioxide nanoparticles. Peptide-based synthesis could present an environmentally friendly route to the synthesis of titanium dioxide nanomaterials with potential applications in water splitting and for biocompatible materials design. Two-dimensional nanomaterials have exceptional surface-to-volume ratios and are particularly suited for these applications. We here demonstrate how the silaffin peptide R5 can precipitate free-standing and self-supported sheets of titanium dioxide at the air-water interface, which are stable over tens of micrometers.",

author = "Mikkel Bregnh{\o}j and Helmut Lutz and Roeters, \{Steven J.\} and Ingo Lieberwirth and Rolf Mertig and Tobias Weidner",

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The Diatom Peptide R5 Fabricates Two-Dimensional Titanium Dioxide Nanosheets. / Bregnhøj, Mikkel; Lutz, Helmut; Roeters, Steven J. et al.
In: The Journal of Physical Chemistry Letters, Vol. 13, No. 22, 06.2022, p. 5025-5029.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

TY - JOUR

T1 - The Diatom Peptide R5 Fabricates Two-Dimensional Titanium Dioxide Nanosheets

AU - Bregnhøj, Mikkel

AU - Lutz, Helmut

AU - Roeters, Steven J.

AU - Lieberwirth, Ingo

AU - Mertig, Rolf

AU - Weidner, Tobias

PY - 2022/6

Y1 - 2022/6

N2 - Diatoms use peptides based on the protein silaffin to fabricate their silica cell walls. To the interest of material scientists, silaffin peptides can also produce titanium dioxide nanoparticles. Peptide-based synthesis could present an environmentally friendly route to the synthesis of titanium dioxide nanomaterials with potential applications in water splitting and for biocompatible materials design. Two-dimensional nanomaterials have exceptional surface-to-volume ratios and are particularly suited for these applications. We here demonstrate how the silaffin peptide R5 can precipitate free-standing and self-supported sheets of titanium dioxide at the air-water interface, which are stable over tens of micrometers.

AB - Diatoms use peptides based on the protein silaffin to fabricate their silica cell walls. To the interest of material scientists, silaffin peptides can also produce titanium dioxide nanoparticles. Peptide-based synthesis could present an environmentally friendly route to the synthesis of titanium dioxide nanomaterials with potential applications in water splitting and for biocompatible materials design. Two-dimensional nanomaterials have exceptional surface-to-volume ratios and are particularly suited for these applications. We here demonstrate how the silaffin peptide R5 can precipitate free-standing and self-supported sheets of titanium dioxide at the air-water interface, which are stable over tens of micrometers.

UR - https://www.scopus.com/pages/publications/85131771462

U2 - 10.1021/acs.jpclett.2c01088

DO - 10.1021/acs.jpclett.2c01088

M3 - Journal article

C2 - 35652659

AN - SCOPUS:85131771462

SN - 1948-7185

VL - 13

SP - 5025

EP - 5029

JO - The Journal of Physical Chemistry Letters

JF - The Journal of Physical Chemistry Letters

IS - 22

ER -

The Diatom Peptide R5 Fabricates Two-Dimensional Titanium Dioxide Nanosheets

Abstract

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