Limited volume heating method

a simple low cost approach to synthesize additive free long nanowires

S. P. Ghosh, B. Das, K. C. Das, N. Tripathy, G. Bose, T. I. Lee, Jae Min Myoung, J. P. Kar

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A new type of limited volume heating system (LVH) is designed for the enhancement of the efficiency of conventional hydrothermal method to obtain additive free long nanowires (NWs). In LVH system, the period of chemical reaction is enhanced due to the supply of fresh chemicals by the convection of precursors between different temperature zones. In this work, the performance of the LVH system is investigated by synthesizing an array of long zinc oxide (ZnO) NWs as a case study. Morphological characterizations revealed the formation of long NWs of different dimension with growth temperatures, precursor concentrations and growth durations. The length of the NWs is greatly influenced by the variation in growth time and temperature, whereas their diameter was controlled by changing precursor concentration. The growth of NWs is along (002) direction as revealed by X-ray diffraction and transmission electron microscopy studies. In this technique, the length of the NWs is increased upto five times in comparison to those grown by conventional global heating (CGH) method and thereby proving an enhanced performance of LVH system without any additives. Further, photoresponse behavior of the LVH grown long ZnO NWs is evaluated for ultraviolet detection, where photoresponse of 1.7 s and recovery time of 0.8 s is observed.

Original languageEnglish
Pages (from-to)5065-5073
Number of pages9
JournalJournal of Materials Science: Materials in Electronics
Volume30
Issue number5
DOIs
Publication statusPublished - 2019 Mar 1

Fingerprint

Nanowires
nanowires
Heating
heating
Costs
Zinc Oxide
Zinc oxide
zinc oxides
Growth temperature
temperature
Chemical reactions
chemical reactions
convection
recovery
Transmission electron microscopy
Recovery
X ray diffraction
Temperature
transmission electron microscopy
augmentation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Ghosh, S. P. ; Das, B. ; Das, K. C. ; Tripathy, N. ; Bose, G. ; Lee, T. I. ; Myoung, Jae Min ; Kar, J. P. / Limited volume heating method : a simple low cost approach to synthesize additive free long nanowires. In: Journal of Materials Science: Materials in Electronics. 2019 ; Vol. 30, No. 5. pp. 5065-5073.
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Limited volume heating method : a simple low cost approach to synthesize additive free long nanowires. / Ghosh, S. P.; Das, B.; Das, K. C.; Tripathy, N.; Bose, G.; Lee, T. I.; Myoung, Jae Min; Kar, J. P.

In: Journal of Materials Science: Materials in Electronics, Vol. 30, No. 5, 01.03.2019, p. 5065-5073.

Research output: Contribution to journalArticle

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