Nano lily-buds garden like ZnO nanostructures based gas sensor for H 2 detection

Manjeet Kumar, Vishwa Bhatt, Akshay Kumar, Ju Hyung Yun

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Nano lily-buds (NL-buds) garden like ZnO nanostructure synthesized by simple single step thermal decomposition method. XRD result confirmed the hexagonal (Wurtzite phase) crystal structure, and FESEM micrograph shows the formation of NL-buds like ZnO nanostructure. The chemical states and elemental composition of the elements were studied using XPS and EDS respectively. The maximum sensitivity ∼178 was recorded for ZnO sample at 180 °C for 80 ppm of H 2 exposure with a fast response time of the order of ∼1–2 s. ZnO NL-buds sensor attained a reversible, and high response towards H 2 gas signifying it as a potential candidate for H 2 sensor application.

Original languageEnglish
Pages (from-to)13-16
Number of pages4
JournalMaterials Letters
Volume240
DOIs
StatePublished - 1 Apr 2019

Keywords

  • H sensor
  • Nano lily-buds
  • ZnO

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