Experimental Insights into the Growth of Single Truncated Anatase Bipyramids

Justin R. Mulcahy; Shuai He; Decarle S. Jin; Wenxiao Guo; Sarah Arteta; John B. Cliff; Zihua Zhu; Wei David Wei

doi:10.1002/chem.201805773

Experimental Insights into the Growth of Single Truncated Anatase Bipyramids

Justin R. Mulcahy, Shuai He, Decarle S. Jin, Wenxiao Guo, Sarah Arteta, John B. Cliff, Zihua Zhu, Wei David Wei

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Fluorine has been recognized to selectively stabilize anatase titanium dioxide (TiO₂) crystal facets; however, resolving its physical location at the nanometer scale remains empirically elusive. Here, we provide direct experimental evidence to reveal the spatial distribution of fluorine on single truncated anatase bipyramids (TABs) using nanoscale secondary ion mass spectrometry (NanoSIMS). Fluorine was found to preferentially adsorb on the (001) facet compared to the (101) facet of TABs. Moreover, NanoSIMS depth profiling exhibited a significantly different fluorine distribution between these two facets in the near-surface region, illustrating the essential role of lattice-doped fluorine in the anisotropic crystal growth of TABs.

Original language	English
Pages (from-to)	993-996
Number of pages	4
Journal	Chemistry - A European Journal
Volume	25
Issue number	4
DOIs	https://doi.org/10.1002/chem.201805773
State	Published - Jan 18 2019
Externally published	Yes

Funding

This work is supported by the National Science Foundation under Grant CHE-1808539, DMR-1352328, and the CCI Center for Nanostructured Electronic Materials (CHE-1038015). We also thank the Air Force Office of Scientific Research for support under AFOSR Award No. FA9550-14-1-0304. Materials characterization was conducted at MAIC and NRF, College of Engineering Research Service Centers, University of Florida. XPS characterization was conducted using an instrument purchased with NSF grant MRI-DMR-1126115. NanoSIMS characterization was carried out at the William R. Wiley Environmental Molecular Science Laboratory (EMSL), a national scientific user facility sponsored by the United States (U.S.) Department of Energy (DOE) office of Biological and Environmental Research, located on the Pacific Northwest National Laboratory (PNNL) campus in Richland, Washington. PNNL is operated by Battelle for the U.S. DOE. The authors wish to thank Dr. J. D. Stewart for the gracious use of centrifuge. We also thank Dr. W. Xu for assisting the NanoSIMS measurements. D.S.J. acknowledges and ap- preciates the DOE Science Undergraduate Laboratory Internships (SULI) program for NanoSIMS work conducted at PNNL. W.G. acknowledges the support of a graduate school fellowship from UF. This work is supported by the National Science Foundation under Grant CHE-1808539, DMR-1352328, and the CCI Center for Nanostructured Electronic Materials (CHE-1038015). We also thank the Air Force Office of Scientific Research for support under AFOSR Award No. FA9550-14-1-0304. Materials characterization was conducted at MAIC and NRF, College of Engineering Research Service Centers, University of Florida. XPS characterization was conducted using an instrument purchased with NSF grant MRI-DMR-1126115. NanoSIMS characterization was carried out at the William R. Wiley Environmental Molecular Science Laboratory (EMSL), a national scientific user facility sponsored by the United States (U.S.) Department of Energy (DOE) office of Biological and Environmental Research, located on the Pacific Northwest National Laboratory (PNNL) campus in Richland, Washington. PNNL is operated by Battelle for the U.S. DOE. The authors wish to thank Dr. J. D. Stewart for the gracious use of centrifuge. We also thank Dr. W. Xu for assisting the NanoSIMS measurements. D.S.J. acknowledges and appreciates the DOE Science Undergraduate Laboratory Internships (SULI) program for NanoSIMS work conducted at PNNL. W.G. acknowledges the support of a graduate school fellowship from UF.

Funders	Funder number
CCI Center for Nanostructured Electronic Materials	CHE-1038015
EMSL
William R. Wiley Environmental Molecular Science Laboratory
National Science Foundation	1808539, MRI-DMR-1126115, CHE-1808539, DMR-1352328
U.S. Department of Energy
Air Force Office of Scientific Research	FA9550-14-1-0304
Biological and Environmental Research
University of Florida
Pacific Northwest National Laboratory
National Research Foundation

Keywords

SIMS
crystal growth
faceted anatase TiO
fluorine adsorption
surface chemistry

Access to Document

10.1002/chem.201805773

Cite this

@article{f81fcceae24c4392bb4033944e5046aa,

title = "Experimental Insights into the Growth of Single Truncated Anatase Bipyramids",

abstract = "Fluorine has been recognized to selectively stabilize anatase titanium dioxide (TiO2) crystal facets; however, resolving its physical location at the nanometer scale remains empirically elusive. Here, we provide direct experimental evidence to reveal the spatial distribution of fluorine on single truncated anatase bipyramids (TABs) using nanoscale secondary ion mass spectrometry (NanoSIMS). Fluorine was found to preferentially adsorb on the (001) facet compared to the (101) facet of TABs. Moreover, NanoSIMS depth profiling exhibited a significantly different fluorine distribution between these two facets in the near-surface region, illustrating the essential role of lattice-doped fluorine in the anisotropic crystal growth of TABs.",

keywords = "SIMS, crystal growth, faceted anatase TiO, fluorine adsorption, surface chemistry",

author = "Mulcahy, {Justin R.} and Shuai He and Jin, {Decarle S.} and Wenxiao Guo and Sarah Arteta and Cliff, {John B.} and Zihua Zhu and Wei, {Wei David}",

note = "Publisher Copyright: {\textcopyright} 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

year = "2019",

month = jan,

day = "18",

doi = "10.1002/chem.201805773",

language = "English",

volume = "25",

pages = "993--996",

journal = "Chemistry - A European Journal",

issn = "0947-6539",

publisher = "wiley",

number = "4",

}

TY - JOUR

T1 - Experimental Insights into the Growth of Single Truncated Anatase Bipyramids

AU - Mulcahy, Justin R.

AU - He, Shuai

AU - Jin, Decarle S.

AU - Guo, Wenxiao

AU - Arteta, Sarah

AU - Cliff, John B.

AU - Zhu, Zihua

AU - Wei, Wei David

PY - 2019/1/18

Y1 - 2019/1/18

N2 - Fluorine has been recognized to selectively stabilize anatase titanium dioxide (TiO2) crystal facets; however, resolving its physical location at the nanometer scale remains empirically elusive. Here, we provide direct experimental evidence to reveal the spatial distribution of fluorine on single truncated anatase bipyramids (TABs) using nanoscale secondary ion mass spectrometry (NanoSIMS). Fluorine was found to preferentially adsorb on the (001) facet compared to the (101) facet of TABs. Moreover, NanoSIMS depth profiling exhibited a significantly different fluorine distribution between these two facets in the near-surface region, illustrating the essential role of lattice-doped fluorine in the anisotropic crystal growth of TABs.

AB - Fluorine has been recognized to selectively stabilize anatase titanium dioxide (TiO2) crystal facets; however, resolving its physical location at the nanometer scale remains empirically elusive. Here, we provide direct experimental evidence to reveal the spatial distribution of fluorine on single truncated anatase bipyramids (TABs) using nanoscale secondary ion mass spectrometry (NanoSIMS). Fluorine was found to preferentially adsorb on the (001) facet compared to the (101) facet of TABs. Moreover, NanoSIMS depth profiling exhibited a significantly different fluorine distribution between these two facets in the near-surface region, illustrating the essential role of lattice-doped fluorine in the anisotropic crystal growth of TABs.

KW - SIMS

KW - crystal growth

KW - faceted anatase TiO

KW - fluorine adsorption

KW - surface chemistry

UR - http://www.scopus.com/inward/record.url?scp=85058392805&partnerID=8YFLogxK

U2 - 10.1002/chem.201805773

DO - 10.1002/chem.201805773

M3 - Article

C2 - 30462865

AN - SCOPUS:85058392805

SN - 0947-6539

VL - 25

SP - 993

EP - 996

JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

IS - 4

ER -

Experimental Insights into the Growth of Single Truncated Anatase Bipyramids

Abstract

Funding

Keywords

Access to Document

Other files and links

Fingerprint

Cite this