Zobrazeno 1 - 10
of 82
pro vyhledávání: '"I. Oja Acik"'
Autor:
Malle Krunks, Robert Krautmann, Susan Schorr, I. Oja Acik, Nicolae Spalatu, Daniel Abou-Ras, Thomas Unold, René Gunder
Publikováno v:
Solar Energy. 225:494-500
The performance of a superstrate TiO2/Sb2Se3 solar cell, fabricated by close-spaced sublimation technique (CSS), was improved after the deployment of a seed layer. The seed layer caused columnar Sb2Se3 film growth with texture coefficient analysis (T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c2f15f4c8e4cd9cb14da8c786bb3a91
https://doi.org/10.1016/j.solener.2021.07.022
https://doi.org/10.1016/j.solener.2021.07.022
Akademický článek
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Autor:
R. Krautmann, N. Spalatu, R. Josepson, R. Nedzinskas, R. Kondrotas, R. Gržibovskis, A. Vembris, M. Krunks, I. Oja Acik
Publikováno v:
Solar Energy Materials and Solar Cells. 251:112139
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d8e3d0c1d9eaf3b9421ff9c4329fbcc
https://doi.org/10.1016/j.solmat.2022.112139
https://doi.org/10.1016/j.solmat.2022.112139
Akademický článek
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Autor:
I. Oja Acik, Erki Kärber, Svetlana Polivtseva, Malle Krunks, Valdek Mikli, Atanas Katerski, Arvo Mere
Publikováno v:
Thin Solid Films. 633:179-184
SnS films were grown in air by chemical spray pyrolysis method using aqueous solutions containing SnCl 2 and SC(NH 2 ) 2 at molar ratios of 1:1 and 1:8 and a substrate temperature of 200 °C. As-deposited films were thermally treated at 450 °C in ni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40866ca58d79d912e24e2eb9569b9dbc
https://doi.org/10.1016/j.tsf.2017.01.014
https://doi.org/10.1016/j.tsf.2017.01.014
Publikováno v:
Applied Surface Science. 405:521-528
Herein we present a comparative study on as-deposited, two-month-stored, and heat-treated ZnO rods obtained by spray pyrolysis (SP) at 550 °C, and electrodeposition (ED) at 80 °C. The aim of the study is to establish the reason for different behavi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0673d2e5ea55845a1a7e064bed5aff4
https://doi.org/10.1016/j.apsusc.2017.02.065
https://doi.org/10.1016/j.apsusc.2017.02.065
Autor:
Malle Krunks, Albert Juma, Abayomi T. Oluwabi, I. Oja Acik, Valdek Mikli, Mati Danilson, Arvo Mere
Publikováno v:
Applied Surface Science. 387:539-545
Chemical spray pyrolysis (CSP) is a flexible deposition technique that allows for mixing of the precursor solutions in different proportions suitable for doping thin films. The CSP method was used to dope TiO2 thin films with Zr by adding zirconium(I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d8252a768a0708001f67283945639fc
https://doi.org/10.1016/j.apsusc.2016.06.093
https://doi.org/10.1016/j.apsusc.2016.06.093
Autor:
Malle Krunks, I. Oja Acik, Tatjana Dedova, Inga Gromyko, T. Nagyné-Kovács, Z. Chen, Atanas Katerski, K. Balmassov, I.M. Szilágyi
Publikováno v:
Materials Chemistry and Physics. 245:122767
In this research, we demonstrate an enhanced photocatalytic activity (PA) of ZnOR/Au composites compared to PA of plain ZnOR structures. The ZnOR were produced by a hydrothermal growth method and the surface treatment of the ZnOR crystals was carried
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c09226dd21aa9388c67b1b61fff1d17f
https://doi.org/10.1016/j.matchemphys.2020.122767
https://doi.org/10.1016/j.matchemphys.2020.122767
Autor:
I. Oja Acik, Leonid Dolgov, Ilmo Sildos, N.G. Oyekoya, Arvo Mere, Ardi Loot, Malle Krunks, Valdek Mikli
Publikováno v:
Surface and Coatings Technology. 271:27-31
Composite TiO 2 layers with embedded Au-nanoparticles with a size of 8–20 nm were deposited in situ by chemical spray pyrolysis. EDS studies show that increase in the deposition temperature from 260 to 300 °C decreases the [Au]/[Ti] ratio down to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c157d9e80d19930efb036b898b920ca
https://doi.org/10.1016/j.surfcoat.2015.01.036
https://doi.org/10.1016/j.surfcoat.2015.01.036
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 121:177-185
Thermal decomposition of precursors for SnS thin films obtained by drying aqueous solutions of SnCl2 and SC(NH2)2 in the Sn:S molar ratios of 1:1 (1) and 1:8 (2) was monitored by simultaneous thermogravimetry/differential thermal analysis (TG/DTA) me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a210192f4ec0fe7d94a767f42f2a451
https://doi.org/10.1007/s10973-015-4580-6
https://doi.org/10.1007/s10973-015-4580-6