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Raman spectra of electrochemically hydrogenated diamond like carbon surface

Authors
  • Biswas, Hari Shankar
  • Datta, Jagannath
  • Sen, Pintu
  • Ghosh, Uday Chand
  • Ray, Nihar Ranjan
Type
Preprint
Publication Date
Nov 28, 2013
Submission Date
Nov 28, 2013
Identifiers
arXiv ID: 1311.7212
Source
arXiv
License
Yellow
External links

Abstract

Raman spectroscopy has been employed to distinguish between the Raman spectrum of pristine hydrogenated diamond like carbon (PHDLC) and that of electrochemically hydrogenated diamond like carbon (ECHDLC). The enhancement of the background photoluminescence (PL) in the Raman spectrum and broadening of PL spectrum of ECHDLC are identified to be due to increase of sp3 C-H density onto the PHDLC surface, during novel electrochemical process of hydrogenation of sp2 C=C into sp3 C-H.

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