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2. Electrical conductivity in 3,4,9,10-perylenetetracarboxylic dianhidride (PTCDA)Gvido Bratina, Robert Hudej, Marko Zavrtanik, John Nimly Brownell, 2001, izvirni znanstveni članek Opis: The transient photoresponse in 3,4,9,10-perylenetetracarboxylic dianhydride was examined in metal/organic semiconductor/metal heterostructures. Electron-hole pairs are generated within the structure for fields higher than 5 X 10[sup]4 V/cm as a consequence of the exciton dissociation. The mobility of the electrons perpendicular to the molecular layers increases with the applied electric field and saturates for fields higher than 5 X 10[sup]4 V/cm.
Najdeno v: ključnih besedah
Povzetek najdenega: ...organic semiconductor, thin films, transient photoconductivity, ...
Ključne besede: organic semiconductor, thin films, transient photoconductivity
Objavljeno: 10.07.2015; Ogledov: 5624; Prenosov: 36
 Polno besedilo (0,00 KB) |
3. Enhancement of photocatalytic activity of sol-gel TiO[sub]2 thin films with P25Jerneja Šauta Ogorevc, Peter Bukovec, Urška Lavrenčič Štangar, 2008, izvirni znanstveni članek Opis: Enhancement of photocatalytic activity of sol-gel TiOsub2 thin films with P25
Najdeno v: ključnih besedah
Ključne besede: TiO[sub]2 thin films, TiCl[sub]4, precursor, sol-gel, peroxo-modified sol, Degussa P25, photodegradation
Objavljeno: 17.05.2016; Ogledov: 3834; Prenosov: 25
Polno besedilo (0,00 KB) |
4. Thermal properties of surface-modified [alpha] and [epsilon]-Fe [sub] 2O [sub] 3 photocatalysts determined by beam deflection spectroscopyFernando Fresno, Mladen Franko, Dorota Korte, Giorgio Carraro, 2014, objavljeni znanstveni prispevek na konferenci Najdeno v: ključnih besedah
Povzetek najdenega: ...photocatalytic activity, photothermal beam deflection spectroscopy, thin films, ...
Ključne besede: photocatalytic activity, photothermal beam deflection spectroscopy, thin films
Objavljeno: 16.06.2016; Ogledov: 4183; Prenosov: 156
Polno besedilo (0,00 KB) |
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6. Solar-driven photocatalytic treatment of diclofenac using immobilized TiO2-based zeolite compositesUrška Lavrenčič Štangar, Mattia Fanetti, Marko Kete, Andraz Suligoj, Hrvoje Kušić, Subhan Salaeh, Marin Kovacic, Dionysios D. Dionysiou, Ana Lončarić Božić, 2016, izvirni znanstveni članek Opis: The study is aimed at evaluating the potential of
immobilized TiO2-based zeolite composite for solar-driven
photocatalytic water treatment. In that purpose, TiO2-iron-exchanged
zeolite (FeZ) composite was prepared using commercial
Aeroxide TiO2 P25 and iron-exchanged zeolite of ZSM5
type, FeZ. The activity of TiO2-FeZ, immobilized on glass
support, was evaluated under solar irradiation for removal of
diclofenac (DCF) in water. TiO2-FeZ immobilized in a form
of thin film was characterized for its morphology, structure,
and composition using scanning electron microscopy/energydispersive
x-ray spectroscopy (SEM/EDX). Diffuse reflectance
spectroscopy (DRS) was used to determine potential
changes in band gaps of prepared TiO2-FeZ in comparison
to pure TiO2. The influence of pH, concentration of hydrogen
peroxide, FeZ wt% within the composite, and photocatalyst
dosage on DCF removal and conversion efficiency by solar/
TiO2-FeZ/H2O2 process was investigated. TiO2-FeZ demonstrated
higher photocatalytic activity than pure TiO2 under
solar irradiation in acidic conditions and presence of H2O2.
Najdeno v: ključnih besedah
Povzetek najdenega: ...in water. TiO2-FeZ immobilized in a form
of thin film was characterized for its morphology, structure,
and... ...Photocatalysis, Thin films, TiO2-FeZ, Solar irradiation, Diclofenac, Water Treatment...
Ključne besede: Photocatalysis, Thin films, TiO2-FeZ, Solar irradiation, Diclofenac, Water Treatment
Objavljeno: 22.07.2016; Ogledov: 5297; Prenosov: 0
 Polno besedilo (2,88 MB) |
7. Thermal and elastic characterization of glassy carbon thin films by photoacoustic measurementsDragan D. Markushev, J. Ordonez-Miranda, Mihajlo Rabasović, M. Chirtoc, D. M. Todorovic, S. E. Bialkowski, Dorota Korte, Mladen Franko, 2017, izvirni znanstveni članek Najdeno v: ključnih besedah
Ključne besede: Thermal and elastic characterization, glassy
carbon, thin films, photoacoustic measurements
Objavljeno: 23.01.2017; Ogledov: 3716; Prenosov: 0
Polno besedilo (1,24 MB) |
8. Transparent titania-zirconia-silica thin films for self-cleaning and photocatalytic applicationsUrška Lavrenčič Štangar, Vlasta Brezova, Nives Vodišek, Kandalam Ramanujachary, 2017, objavljeni znanstveni prispevek na konferenci Najdeno v: ključnih besedah
Ključne besede: TiO2, ZrO2, thin films, photocatalysis, mechanical stability
Objavljeno: 13.03.2017; Ogledov: 4312; Prenosov: 5
Polno besedilo (1,46 MB) |
9. Transparent titania-zirconia thin films for self-cleaning and photocatalytic applicationVlasta Brezová, Kandalam Ramanujachary, Nives Vodišek, Urška Lavrenčič Štangar, 2016, objavljeni povzetek znanstvenega prispevka na konferenci Opis: Thin films were prepared by sol-gel process, where different amount of zirconia were added to titania.
Photocatalytic activity of thin films was measured by two methods i) determination of degradation ration of methyl stearate with measuring the contact angle and ii) formation of hydroxyterephthalic acid was measured by spectrofluorometer.
Prepared samples were characterized by UV-Vis spectrophotometer, SEM, XRD, FT-IR ATR, and BET.
The result of measurements of photocatalytic activity shows that the highest activity has a sample without addition of zirconia, but mechanical stability of that sample is worse.
Najdeno v: ključnih besedah
Ključne besede: photocatalysis, ZrO2/ TiO2, thin films, self-cleaning, low-temperature, sol-gel process
Objavljeno: 14.03.2017; Ogledov: 4389; Prenosov: 197
Polno besedilo (462,52 KB) |
10. STUDY OF ELECTRONIC STATES OF THIN METAL FILMS ON HEAVY METAL SURFACESLuka Novinec, 2018, magistrsko delo Opis: V magistrskem delu smo se osredoto£ili na pripravo in karakterizacijo
heterogenih ve£plastnih tankih filmov sestavljenih iz kovin ter teºkih kovin.
Za izdelavo vzorcev smo izbrali dve feromagnetni kovini, Fe in Gd, ter
eno divalentno kovino iz redkih zemelj, Yb. Tanke filme smo nana²ali na
kristalno povr²ino volframa W(110) ter molibdena Mo(110). V primeru Fe
na povr²ini W(110) in Mo(110) ter Yb na pov²ini Mo(110) smo uspe²no
dolo£ili pogoje, potrebne za nana²anje atomsko enakomernih filmov. S pomo
£jo kotno odvisne fotoemisije smo preu£evali kvantna stanja v Fe in Yb
filmih na Mo in W kristalih. Celotno eksperimentalno delo je potekalo na
ºarkovnih linijah VUV-Photoemission in²tituta (ISM-CNR) ter BaDElPh
pri sinhrotronu Elettra v Trstu.
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Ključne besede: electronic states, thin metal films, heavy metal surfaces
Objavljeno: 04.12.2019; Ogledov: 3183; Prenosov: 99
Polno besedilo (25,10 MB) |
