Nb-doped WS2 nanotubes

Y. Q. Zhu; W. K. Hsu; S. Firth; M. Terrones; R. J.H. Clark; H. W. Kroto; D. R.M. Walton

doi:10.1016/S0009-2614(01)00534-6

Nb-doped WS₂ nanotubes

Y. Q. Zhu, W. K. Hsu, S. Firth, M. Terrones, R. J.H. Clark, H. W. Kroto, D. R.M. Walton

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

41 Scopus citations

Abstract

Nb-doped WS₂ nanotubes, typically W_1-xNb_xS₂(x≤0.2), generated by heating Nb₂O₅-coated W₁₈O₄₉ nanorods in H₂S at 1100°C, contain more structural defects within the layers than do pure WS₂ nanotubes. The tube tips are invariably closed. The presence of Nb appears to inhibit nanotube formation. A two-stage process is proposed to account for the observed doped nanotube growth.

Original language	English (US)
Pages (from-to)	15-21
Number of pages	7
Journal	Chemical Physics Letters
Volume	342
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(01)00534-6
State	Published - Jul 6 2001

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/S0009-2614(01)00534-6

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@article{e693ec8d861244bd949e15e84a81a622,

title = "Nb-doped WS2 nanotubes",

abstract = "Nb-doped WS2 nanotubes, typically W1-xNbxS2(x≤0.2), generated by heating Nb2O5-coated W18O49 nanorods in H2S at 1100°C, contain more structural defects within the layers than do pure WS2 nanotubes. The tube tips are invariably closed. The presence of Nb appears to inhibit nanotube formation. A two-stage process is proposed to account for the observed doped nanotube growth.",

author = "Zhu, \{Y. Q.\} and Hsu, \{W. K.\} and S. Firth and M. Terrones and Clark, \{R. J.H.\} and Kroto, \{H. W.\} and Walton, \{D. R.M.\}",

note = "Funding Information: We thank the Royal Society, the JFCC, the Leverhulme Trust and the ULIRS for financial support. We are grateful to J. Thorpe and D. Randall (Sussex) for assistance with TEM and SEM facilities.",

year = "2001",

month = jul,

day = "6",

doi = "10.1016/S0009-2614(01)00534-6",

language = "English (US)",

volume = "342",

pages = "15--21",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier B.V.",

number = "1-2",

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TY - JOUR

T1 - Nb-doped WS2 nanotubes

AU - Zhu, Y. Q.

AU - Hsu, W. K.

AU - Firth, S.

AU - Terrones, M.

AU - Clark, R. J.H.

AU - Kroto, H. W.

AU - Walton, D. R.M.

N1 - Funding Information: We thank the Royal Society, the JFCC, the Leverhulme Trust and the ULIRS for financial support. We are grateful to J. Thorpe and D. Randall (Sussex) for assistance with TEM and SEM facilities.

PY - 2001/7/6

Y1 - 2001/7/6

N2 - Nb-doped WS2 nanotubes, typically W1-xNbxS2(x≤0.2), generated by heating Nb2O5-coated W18O49 nanorods in H2S at 1100°C, contain more structural defects within the layers than do pure WS2 nanotubes. The tube tips are invariably closed. The presence of Nb appears to inhibit nanotube formation. A two-stage process is proposed to account for the observed doped nanotube growth.

AB - Nb-doped WS2 nanotubes, typically W1-xNbxS2(x≤0.2), generated by heating Nb2O5-coated W18O49 nanorods in H2S at 1100°C, contain more structural defects within the layers than do pure WS2 nanotubes. The tube tips are invariably closed. The presence of Nb appears to inhibit nanotube formation. A two-stage process is proposed to account for the observed doped nanotube growth.

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U2 - 10.1016/S0009-2614(01)00534-6

DO - 10.1016/S0009-2614(01)00534-6

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AN - SCOPUS:0002668345

SN - 0009-2614

VL - 342

SP - 15

EP - 21

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-2

ER -

Nb-doped WS₂ nanotubes

Abstract

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