Dependence of the surface roughness of MAPLE-deposited films on the solvent parameters (Articolo in rivista)

Type
Label
  • Dependence of the surface roughness of MAPLE-deposited films on the solvent parameters (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00339-010-5990-8 (literal)
Alternative label
  • Caricato AP, Leggieri G, Martino M, Vantaggiato A, Valerini D, Creti A, Lomascolo M, Manera MG, Rella R, Anni M (2010)
    Dependence of the surface roughness of MAPLE-deposited films on the solvent parameters
    in Applied physics. A, Materials science & processing (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Caricato AP, Leggieri G, Martino M, Vantaggiato A, Valerini D, Creti A, Lomascolo M, Manera MG, Rella R, Anni M (literal)
Pagina inizio
  • 759 (literal)
Pagina fine
  • 764 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.springerlink.com/content/373g761k50j0u810/?MUD=MP (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Salento, Dept Phys, I-73100 Lecce, Italy 2. IMM CNR, Inst Microelect & Microsyst, I-73100 Lecce, Italy 3. Univ Salento, Innovat Engn Dept, I-73100 Lecce, Italy (literal)
Titolo
  • Dependence of the surface roughness of MAPLE-deposited films on the solvent parameters (literal)
Abstract
  • Matrix-assisted pulsed laser evaporation (MAPLE) was used to deposit layers of poly(9,9-dioctylfluorene) (PFO) to study the relation between the solvent properties (laser light absorption, boiling temperature and solubility parameters) and the morphology of the deposited films. To this end, the polymer was diluted (0.5 wt%) in tetrahydrofuran-THF, toluene and toluene/hexane mixtures. The thickness of the films was equal to 70 +/- 20 nm. The morphology and uniformity of the films was investigated by Atomic Force Microscopy and by the photoluminescence emission properties of the polymer films, respectively. It is shown that, although the solubility parameters of the solvents are important in controlling the film roughness and morphology, the optical absorption properties and boiling temperature play a very important role, too. In fact, for matrices characterized by the same total solubility parameter, lower roughness values are obtained for films prepared using solvents with lower penetration depth of the laser radiation and higher boiling temperatures. (literal)
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