Facile single pot synthesis of MnO2 nanorods-reduced graphene oxide (rGO) nanocomposite: Structural, chemical and field emission investigations

K. Hareesh, S. R. Suryawanshi, A. B. Phatangare, M. A. More, V. N. Bhoraskar, S. D. Dhole

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

MnO2 nanorods-reduced graphene oxide (MnO2-rGO) nanocomposite has been synthesized by facile single pot hydrothermal method. The decoration of crystalline α-MnO2 with tetragonal phase on rGO nanosheets has been confirmed by X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. The field emission (FE) properties of MnO2-rGO emitter have been investigated and it exhibited enhanced FE properties demonstrated by lower values of turn-on and threshold field in contrast to the pristine MnO2 and rGO emitter. The superior FE characteristics of the MnO2-rGO emitter are attributed to the modulation of morphological properties offering high aspect ratio as well as electronic properties enhancing the density of states. The observed FE characteristics of MnO2-rGO emitter indicates the potential of using in vacuum microelectronics/nanoelectronics.

Original languageEnglish
Pages (from-to)472-475
Number of pages4
JournalMaterials Letters
Volume185
DOIs
Publication statusPublished - 15-12-2016

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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