Pulsed laser deposition of polyhydroxybutyrate biodegradable polymer thin films using ArF excimer laser

G. Kecskemeti, T. Smausz, N. Kresz, Z. Tóth, B. Hopp, D. Chrisey, O. Berkesi

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We demonstrated the pulsed laser deposition (PLD) of high quality films of a biodegradable polymer, the polyhydroxybutyrate (PHB). Thin films of PHB were deposited on KBr substrates and fused silica plates using an ArF (λ = 193 nm, FWHM = 30 ns) excimer laser with fluences between 0.05 and 1.5 J cm-2. FTIR spectroscopic measurements proved that at the appropriate fluence (0.05, 0.09 and 0.12 J cm-2), the films exhibited similar functional groups with no significant laser-produced modifications present. Optical microscopic images showed that the layers were contiguous with embedded micrometer-sized grains. Ellipsometric results determined the wavelength dependence (λ ∼ 245-1000 nm) of the refractive index and absorption coefficient which were new information about the material and were not published in the scientific literature. We believe that our deposited PHB thin films would have more possible applications. For example to our supposal the thin layers would be applicable in laser induced forward transfer (LIFT) of biological materials using them as absorbing thin films.

Original languageEnglish
Pages (from-to)1185-1189
Number of pages5
JournalApplied Surface Science
Volume253
Issue number3
DOIs
Publication statusPublished - Nov 30 2006

Fingerprint

Biodegradable polymers
Excimer lasers
Pulsed laser deposition
Polymer films
excimer lasers
pulsed laser deposition
Thin films
fluence
polymers
thin films
Lasers
Fused silica
Full width at half maximum
Biological materials
Functional groups
lasers
micrometers
Refractive index
absorptivity
refractivity

Keywords

  • Ablation
  • AFM
  • Ellipsometry
  • FTIR spectra
  • PLD
  • Polyhydroxybutyrate
  • Surface analysis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Condensed Matter Physics

Cite this

Pulsed laser deposition of polyhydroxybutyrate biodegradable polymer thin films using ArF excimer laser. / Kecskemeti, G.; Smausz, T.; Kresz, N.; Tóth, Z.; Hopp, B.; Chrisey, D.; Berkesi, O.

In: Applied Surface Science, Vol. 253, No. 3, 30.11.2006, p. 1185-1189.

Research output: Contribution to journalArticle

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