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V3O7 · H2O oxide nanostructures: Synthesis and study
Nanorods of orthorhombic V 3 O 7 · H 2 O with the parameters a = 16.805 Å, b = 9.428 Å, and c = 3.660 Å are prepared under hydrothermal conditions ( T = 180–190°C, τ = 30–40 h) from the V 2 O 5 · n H 2 O/H 2 C 2 O 4 · 2H 2 O composite. The particle diameter is 40–70 nm, and the length is several mic...
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Published in: | Russian journal of inorganic chemistry 2009-11, Vol.54 (11), p.1704-1707 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Nanorods of orthorhombic V
3
O
7
· H
2
O with the parameters
a
= 16.805 Å,
b
= 9.428 Å, and
c
= 3.660 Å are prepared under hydrothermal conditions (
T
= 180–190°C, τ = 30–40 h) from the V
2
O
5
·
n
H
2
O/H
2
C
2
O
4
· 2H
2
O composite. The particle diameter is 40–70 nm, and the length is several micrometers. The IR spectra, electric conductivity, and thermal properties of the nanorod powder are studied. In air V
3
O
7
· H
2
O begins to decompose at temperatures above 150°C, and at 350°C nanobelts V
2
O
5
40–100 nm wide and 40 µm long are formed. A mechanism of nanostructure formation is suggested. |
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ISSN: | 0036-0236 1531-8613 |
DOI: | 10.1134/S0036023609110047 |