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Large-scale synthesis of amorphous phosphorus nitride imide nanotubes with high luminescent properties

Published online by Cambridge University Press:  03 March 2011

Qixun Guo ,
Qing Yang ,
Lei Zhu ,
Chengqi Yi  and
Yi Xie
Qixun Guo
Affiliation:
Nano-materials and Nano-chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China; and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China
Qing Yang
Affiliation:
Nano-materials and Nano-chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China; and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China
Lei Zhu
Affiliation:
Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China
Chengqi Yi
Affiliation:
Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China
Yi Xie*
Affiliation:
Nano-materials and Nano-chemistry, Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China; and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, People's Republic of China
*
a) Address all correspondence to this author. e-mail: yxielab@ustc.edu.cn
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Abstract

A facile solvothermal approach was successfully developed for the large-scale synthesis of amorphous phosphorus nitride imide (H3xP3N5+x) nanotubes with high luminescent properties by the reaction of 1,3,5-hexachlorotriphosphazene (P3N3Cl6) with sodium amide (NaNH2) at low temperatures. Transmission electron microscope images showed that the inner diameter of nanotubes is 120 ± 20 nm, wall thickness is 40 ± 10 nm, and length ranges from several to ten micrometers. Scanning electron microscope images revealed that the proportion of the nanotubes exceeds 90%. X-ray photoelectron spectroscopy spectra indicated that the binding energies of P2p and N1s are 133.30 and 398.40 eV, respectively, and the atomic ratio of P:N is 3:5.13. The infrared spectra of the sample are comparable to those of the reported HPN2 and HP4N7. Thermogravimetric analysis revealed that the product is very robust in a nonoxidizing atmosphere. The structure and the optical properties of the product and the annealed samples were investigated by x-ray diffraction and photoluminescence measurements, respectively.

Keywords

MicrostructureOptical propertiesTransmission electron microscopy (TEM)
Type
Articles
Information
Journal of Materials Research , Volume 20 , Issue 2 , February 2005 , pp. 325 - 330
Copyright
Copyright © Materials Research Society 2005

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