Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties

Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties

GeSe2 nanobelts were synthesized via a simple thermal-evaporation process by using gold particles as catalyst and GeSe2 flakes as starting materials. The morphology, crystal structure, and composition were characterized with scanning electron microscopy (SEM), high-resolution transmission electron m...

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Main Authors: Lijie Zhang, Hongfei Yu, Yun Yang, Keqin Yang, Youqing Dong, Shaoming Huang, Ning Dai, Da-Ming Zhu
Format: Article
Language:English
Published: Hindawi Limited 2014-01-01
Series:Journal of Nanomaterials
Online Access:http://dx.doi.org/10.1155/2014/310716
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spelling doaj-197378cfe7354f0c9ce27fe36c18b27d2020-11-24T23:16:38ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292014-01-01201410.1155/2014/310716310716Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical PropertiesLijie Zhang0Hongfei Yu1Yun Yang2Keqin Yang3Youqing Dong4Shaoming Huang5Ning Dai6Da-Ming Zhu7National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, ChinaNanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou 325027, ChinaNanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou 325027, ChinaNanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou 325027, ChinaNanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou 325027, ChinaNanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou 325027, ChinaNational Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, ChinaNational Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, ChinaGeSe2 nanobelts were synthesized via a simple thermal-evaporation process by using gold particles as catalyst and GeSe2 flakes as starting materials. The morphology, crystal structure, and composition were characterized with scanning electron microscopy (SEM), high-resolution transmission electron microscopy (TEM), X-ray diffraction spectroscopy (XRD), X-ray photoelectron spectroscopy (XPS), and energy-dispersive X-ray spectroscopy (EDS). SEM micrographs show that most of GeSe2 nanobelts have distinct segmented structures (wide belt, zigzag belt, and narrow belt). A possible mechanism was proposed for the growth of segmented nanobelts. It is possible that the growth of the segmented nanobelts is dominated by both vapor-liquid-solid and vapor-solid mechanisms. Devices made of single GeSe2 nanobelt have been fabricated and their photoelectrical property has been investigated. Results indicate that these nanobelt devices are potential building blocks for optoelectronic applications.http://dx.doi.org/10.1155/2014/310716
collection DOAJ
language English
format Article
sources DOAJ
author Lijie Zhang
Hongfei Yu
Yun Yang
Keqin Yang
Youqing Dong
Shaoming Huang
Ning Dai
Da-Ming Zhu
spellingShingle Lijie Zhang
Hongfei Yu
Yun Yang
Keqin Yang
Youqing Dong
Shaoming Huang
Ning Dai
Da-Ming Zhu
Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties
Journal of Nanomaterials
author_facet Lijie Zhang
Hongfei Yu
Yun Yang
Keqin Yang
Youqing Dong
Shaoming Huang
Ning Dai
Da-Ming Zhu
author_sort Lijie Zhang
title Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties
title_short Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties
title_full Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties
title_fullStr Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties
title_full_unstemmed Synthesis of GeSe2 Nanobelts Using Thermal Evaporation and Their Photoelectrical Properties
title_sort synthesis of gese2 nanobelts using thermal evaporation and their photoelectrical properties
publisher Hindawi Limited
series Journal of Nanomaterials
issn 1687-4110
1687-4129
publishDate 2014-01-01
description GeSe2 nanobelts were synthesized via a simple thermal-evaporation process by using gold particles as catalyst and GeSe2 flakes as starting materials. The morphology, crystal structure, and composition were characterized with scanning electron microscopy (SEM), high-resolution transmission electron microscopy (TEM), X-ray diffraction spectroscopy (XRD), X-ray photoelectron spectroscopy (XPS), and energy-dispersive X-ray spectroscopy (EDS). SEM micrographs show that most of GeSe2 nanobelts have distinct segmented structures (wide belt, zigzag belt, and narrow belt). A possible mechanism was proposed for the growth of segmented nanobelts. It is possible that the growth of the segmented nanobelts is dominated by both vapor-liquid-solid and vapor-solid mechanisms. Devices made of single GeSe2 nanobelt have been fabricated and their photoelectrical property has been investigated. Results indicate that these nanobelt devices are potential building blocks for optoelectronic applications.
url http://dx.doi.org/10.1155/2014/310716
work_keys_str_mv AT lijiezhang synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT hongfeiyu synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT yunyang synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT keqinyang synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT youqingdong synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT shaominghuang synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT ningdai synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
AT damingzhu synthesisofgese2nanobeltsusingthermalevaporationandtheirphotoelectricalproperties
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