Search Results - "Oja Acik, I."

Zirconium doped TiO2 thin films deposited by chemical spray pyrolysis by Juma, A., Oja Acik, I., Oluwabi, A.T., Mere, A., Mikli, V., Danilson, M., Krunks, M.

“…[Display omitted] •Mean crystallite size of TiO2:Zr film decreases with increasing [Zr] in the solution.•Zr doping supresses the anatase to rutile…”
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Analysis of grain orientation and defects in Sb2Se3 solar cells fabricated by close-spaced sublimation by Krautmann, R., Spalatu, N., Gunder, R., Abou-Ras, D., Unold, T., Schorr, S., Krunks, M., Oja Acik, I.

“…•Seed layer deployment clearly improved performance of TiO2/Sb2Se3 solar cells.•Pole figures revealed seed layer enhanced texture of Sb2Se3 along [001]…”
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Nanostructured solar cell based on spray pyrolysis deposited ZnO nanorod array by Krunks, M., Katerski, A., Dedova, T., Oja Acik, I., Mere, A.

“…In this paper we present a realization of an extremely thin absorber (ETA) layer solar cell by the chemical spray pyrolysis method. CuInS 2 absorber was…”
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Thermal decomposition study of HAuCl4·3H2O and AgNO3 as precursors for plasmonic metal nanoparticles by Otto, K., Oja Acik, I., Krunks, M., Tõnsuaadu, K., Mere, A.

“…Thermal decomposition of HAuCl 4 ·3H 2 O and AgNO 3 , as precursors for Au and Ag nanoparticles, respectively, was monitored by coupled TG–DTA with TG/EGA–FTIR…”
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Spray pyrolysis deposition of zinc oxide nanostructured layers by Krunks, M., Dedova, T., Oja Açik, I.

“…Highly structured ZnO layers comprising well-shaped hexagonal rods were prepared by spray pyrolysis deposition of zinc chloride aqueous solutions in the…”
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Extremely thin absorber layer solar cells on zinc oxide nanorods by chemical spray by Krunks, M., Kärber, E., Katerski, A., Otto, K., Oja Acik, I., Dedova, T., Mere, A.

“…ZnO rod/In 2S 3/CuInS 2 type ETA-cells were prepared by in-line chemical spray pyrolysis method. Effects of buffer layer thickness and ZnO nanorod length…”
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Thermoanalytical study of precursors for tin sulfide thin films deposited by chemical spray pyrolysis by Polivtseva, S., Oja Acik, I., Krunks, M., Tõnsuaadu, K., Mere, A.

“…Thermal decomposition of precursors for SnS thin films obtained by drying aqueous solutions of SnCl 2 and SC(NH 2 ) 2 in the Sn:S molar ratios of 1:1 ( 1 ) and…”
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Hierarchical nanostructures of ZnO obtained by spray pyrolysis by Dedova, T., Krunks, M., Oja Acik, I., Klauson, D., Volobujeva, O., Mere, A.

“…A two step spray pyrolysis deposition method was applied in order to grow ZnO nanorod core/ZnO shell hierarchical nanostructures with various surface…”
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Plasmonic TiO2:Au composite layers deposited in situ by chemical spray pyrolysis by Oja Acik, I., Oyekoya, N.G., Mere, A., Loot, A., Dolgov, L., Mikli, V., Krunks, M., Sildos, I.

“…Composite TiO2 layers with embedded Au-nanoparticles with a size of 8–20nm were deposited in situ by chemical spray pyrolysis. EDS studies show that increase…”
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Characterisation of samarium and nitrogen co-doped TiO2 films prepared by chemical spray pyrolysis by Oja Acik, I., Kiisk, V., Krunks, M., Sildos, I., Junolainen, A., Danilson, M., Mere, A., Mikli, V.

“…► The TiO2:N:Sm thin films deposited by chemical spray pyrolysis have anatase structure. ► According to XPS, N is incorporated into the TiO2 matrix. ► N-doping…”
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Thermoanalytical study of precursors for In2S3 thin films deposited by spray pyrolysis by Otto, K., Oja Acik, I., Tõnsuaadu, K., Mere, A., Krunks, M.

“…Thermal decomposition of precursors for In 2 S 3 thin films obtained by drying aqueous solutions of InCl 3 and SC(NH 2 ) 2 at the In:S molar ratios of 1:3 ( 1…”
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Growth and electrical properties of ZnO nanorod arrays prepared by chemical spray pyrolysis by Krunks, M., Dedova, T., Kärber, E., Mikli, V., Oja Acik, I., Grossberg, M., Mere, A.

“…Chemical spray pyrolysis was applied to grow ZnO nanorod arrays from zinc chloride solutions with pH=2 and 5 on glass/ITO substrate at 480 and 550 °C. The…”
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Thermal behaviour of precursors for CuInS2 thin films deposited by spray pyrolysis by Oja Acik, I., Otto, K., Krunks, M., Tõnsuaadu, K., Mere, A.

“…The thermal decomposition of precursors for copper indium disulphide (CuInS 2 ) thin films obtained by drying aqueous solutions of copper chloride (CuCl 2 ),…”
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Low processing temperatures explored in Sb2S3 solar cells by close-spaced sublimation and analysis of bulk and interface related defects by Krautmann, R., Spalatu, N., Josepson, R., Nedzinskas, R., Kondrotas, R., Gržibovskis, R., Vembris, A., Krunks, M., Oja Acik, I.

“…Antimony trisulfide (Sb2S3) is a promising photovoltaic absorber, which has so far been fabricated mainly by chemical deposition methods. Despite its aptness…”
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Surface properties of sprayed and electrodeposited ZnO rod layers by Gromyko, I., Krunks, M., Dedova, T., Katerski, A., Klauson, D., Oja Acik, I.

“…[Display omitted] •Surface properties of spray and electrodeposited rods were studied and compared.•Influence of hydroxyl groups on the surface of as-deposited…”
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Post-deposition thermal treatment of sprayed SnS films by Polivtseva, S., Katerski, A., Kärber, E., Oja Acik, I., Mere, A., Mikli, V., Krunks, M.

“…SnS films were grown in air by chemical spray pyrolysis method using aqueous solutions containing SnCl2 and SC(NH2)2 at molar ratios of 1:1 and 1:8 and a…”
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Growth of ultra-thin TiO2 films by spray pyrolysis on different substrates by Oja Acik, I., Junolainen, A., Mikli, V., Danilson, M., Krunks, M.

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Surface plasmon resonance caused by gold nanoparticles formed on sprayed TiO2 films by Oja Acik, I., Dolgov, L., Krunks, M., Mere, A., Mikli, V., Pikker, S., Loot, A., Sildos, I.

“…Titania films covered by gold nanoparticles are prepared by combination of spray pyrolysis and spin-coating methods. Proposed combination of techniques is…”
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Nanostructured solar cell by spray pyrolysis: Effect of titania barrier layer on the cell performance by Oja Acik, I., Katerski, A., Mere, A., Aarik, J., Aidla, A., Dedova, T., Krunks, M.

“…ZnO nanostructured solar cells with CuInS 2 absorber layer were prepared by chemical spray method. In order to increase chemical stability of ZnO nanorods…”
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Effect of H2S treatment on properties of CuInS2 thin films deposited by chemical spray pyrolysis at low temperature by KÄRBER, E, KATERSKI, A, OJA ACIK, I, MIKLI, V, MERE, A, KRUNKS, M

“…CuInS2 thin films were deposited by chemical spray of aqueous solutions containing CuCl2, InCl3 and thiourea at substrate temperature of 250 degree C in air…”
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