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1.
Photoregeneration of trimethylsilyl cellulose as a tool for microstructuring ultrathin cellulose supports
Archim Wolfberger, Rupert Kargl, Thomas Grießer, Stefan Spirk, 2014, izvirni znanstveni članek

Opis: Microstructured thin films based on cellulose, the most abundant biopolymer on Earth, have been obtained by UV-irradiation of acid-labile trimethylsilyl cellulose thin films in the presence of N-hydroxynaphtalimide triflate as photoacid generator. We demonstrate that this photoregeneration process can be exploited for the manufacture of cellulose patterns having feature sizes down to 1 μm, with potential applications in life sciences.
Ključne besede: cellulose thin films, cellulose regeneration, patterning of cellulose, photoregeneration
Objavljeno: 22.06.2017; Ogledov: 379; Prenosov: 236
.pdf Celotno besedilo (886,41 KB)
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2.
EXAFS and IR analysis of electrochromic $NiO_x$/$NiO_xH_y$ thin films
Jana Padežnik Gomilšek, Romana Cerc Korošec, Peter Bukovec, Alojz Kodre, 2008, izvirni znanstveni članek

Opis: Electrochromic (EC) thin films of $NiO_x$ and $NiO_xH_y$ are prepared by sol-gel method from nickel chloride precursor and deposited onto a suitable substrate by dip-coating technique. The development of the structure with thermal treatment is investigated by EXAFS and IR spectroscopy in two series of films, with high and low concentration of chloride as counter ions. In the former, the predominant structure before thermal treatment is nickel hydroxide. The baking induces condensation, yet with no trace of NiO. In the latter group, colloidal particles are indicated, on which acetate groups are adsorbed or coordinated. At the maximum EC-response the formation of NiO grains is established by EXAFS and IR.
Ključne besede: electrochromism, thin films, nickel oxide, nickel hydroxide, EXAFS
Objavljeno: 18.08.2017; Ogledov: 322; Prenosov: 41
.pdf Celotno besedilo (286,00 KB)
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