Search Results - "Krustok, J."

Photoluminescence and Raman study of Cu2ZnSn(SexS1-x)4 monograins for photovoltaic applications by GROSSBERG, M, KRUSTOK, J, RAUDOJA, J, TIMMO, K, ALTOSAAR, M, RAADIK, T

“…The quaternary semiconductors Cu2ZnSnSe4 and Cu2ZnSnS4 have attracted a lot of attention as possible absorber materials for solar cells due to their direct…”
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The role of structural properties on deep defect states in Cu2ZnSnS4 studied by photoluminescence spectroscopy by Grossberg, M., Krustok, J., Raudoja, J., Raadik, T.

“…In this study, we investigated the photoluminescence (PL) properties of Cu2ZnSnS4 polycrystals. Two PL bands at 1.27 eV and 1.35 eV at T = 10 K were detected…”
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Radiative recombination in Cu2ZnSnSe4 monograins studied by photoluminescence spectroscopy by Grossberg, M., Krustok, J., Timmo, K., Altosaar, M.

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Origin of photoluminescence from antimony selenide by Grossberg, M., Volobujeva, O., Penežko, A., Kaupmees, R., Raadik, T., Krustok, J.

“…Antimony selenide (Sb2Se3) absorber material has great potential for low-cost photovoltaics due to its excellent optoelectronic properties and low processing…”
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Temperature dependent photoreflectance study of Cu2SnS3 thin films produced by pulsed laser deposition by Raadik, T., Grossberg, M., Krustok, J., Kauk-Kuusik, M., Crovetto, A., Bolt Ettlinger, R., Hansen, O., Schou, J.

“…The energy band structure of Cu2SnS3 (CTS) thin films fabricated by pulsed laser deposition was studied by photoreflectance spectroscopy (PR). The…”
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Photoluminescence study of defect clusters in Cu2ZnSnS4 polycrystals by Grossberg, M., Raadik, T., Raudoja, J., Krustok, J.

“…Temperature dependent photoluminescence (PL) study of Cu2ZnSnS4 (CZTS) polycrystals was performed. The low temperature PL spectrum consists of two PL bands:…”
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Study of (AgxCu1−x)2ZnSn(S,Se)4 monograins synthesized by molten salt method for solar cell applications by Oueslati, S., Kauk-Kuusik, M., Neubauer, C., Mikli, V., Meissner, D., Brammertz, G., Vermang, B., Krustok, J., Grossberg, M.

“…•Single phase (AgxCu1−x)2ZnSn(S,Se)4 monograins were synthesized in molten flux.•Adding Ag to CZTSSe increases carrier concentration and decreases carrier…”
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Temperature-dependent photoreflectance of SnS crystals by Raadik, T., Grossberg, M., Raudoja, J., Traksmaa, R., Krustok, J.

“…The optical properties of single-crystal SnS were studied by photoreflectance (PR) spectroscopy. Temperature-dependent PR spectra were measured in the range…”
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Study of structural and optoelectronic properties of Cu2Zn(Sn1−xGex)Se4 (x=0 to 1) alloy compounds by Grossberg, M., Timmo, K., Raadik, T., Kärber, E., Mikli, V., Krustok, J.

“…In this work, the optoelectronic and structural properties of Cu2Zn(Sn1−xGex)Se4 (CZTGeSe) alloy compounds with x varying from 0 to 1 with a step of 0.1 were…”
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XPS study of CZTSSe monograin powders by Danilson, M., Altosaar, M., Kauk, M., Katerski, A., Krustok, J., Raudoja, J.

“…The surface and bulk composition of Cu 2ZnSn(Se x S 1- x ) 4 (CZTSSe) monograin powders were investigated by X-ray photoelectron spectroscopy (XPS). The…”
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Study of Cu2CdGeSe4 monograin powders synthesized by molten salt method for photovoltaic applications by Kauk-Kuusik, M., Li, X., Pilvet, M., Timmo, K., Grossberg, M., Raadik, T., Danilson, M., Mikli, V., Altosaar, M., Krustok, J., Raudoja, J.

“…Cu2CdGeSe4 monograin powders were synthesized by molten salt method for photovoltaic applications. The effects of salt material (CdI2 and KI), synthesis…”
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Modification of the optoelectronic properties of Cu2CdSnS4 through low-temperature annealing by Pilvet, M., Kauk-Kuusik, M., Grossberg, M., Raadik, T., Mikli, V., Traksmaa, R., Raudoja, J., Timmo, K., Krustok, J.

“…In this study the experimental evidence of the existence of Cu-Cd disordering in Cu2CdSnS4 is presented. The influence of low-temperature annealing from 100 °C…”
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Influence of the copper content on the optical properties of CZTSe thin films by Yakushev, M.V., Sulimov, M.A., Márquez-Prieto, J., Forbes, I., Krustok, J., Edwards, P.R., Zhivulko, V.D., Borodavchenko, O.M., Mudryi, A.V., Martin, R.W.

“…We present an optical spectroscopy study of Cu2ZnSnSe4 (CZTSe) thin films deposited on Mo/glass substrates. The [Cu]/[Zn+Sn] ratio in these films varies from…”
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Optical properties of high quality Cu2ZnSnSe4 thin films by Luckert, F., Hamilton, D. I., Yakushev, M. V., Beattie, N. S., Zoppi, G., Moynihan, M., Forbes, I., Karotki, A. V., Mudryi, A. V., Grossberg, M., Krustok, J., Martin, R. W.

“…Cu2ZnSnSe4 thin films, fabricated on bare or molybdenum coated glass substrates by magnetron sputtering and selenisation, were studied by a range of…”
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Photoluminescence study of disordering in the cation sublattice of Cu2ZnSnS4 by Grossberg, M., Krustok, J., Raadik, T., Kauk-Kuusik, M., Raudoja, J.

“…In this study we investigated the influence of the degree of disordering in the cation sublattice on low temperature photoluminescence (PL) properties of…”
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Temperature dependence of Cu2ZnSn(SexS1-x)4 monograin solar cells by KRUSTOK, J, JOSEPSON, R, DANILSON, M, MEISSNER, D

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Optical study of local strain related disordering in CVD-grown MoSe2 monolayers by Krustok, J., Raadik, T., Jaaniso, R., Kiisk, V., Sildos, I., Marandi, M., Komsa, H.-P., Li, B., Zhang, X., Gong, Y., Ajayan, P. M.

“…We present temperature dependent micro-photoluminescence and room temperature photoreflectance spectroscopy studies on aged MoSe2 monolayers with high surface…”
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Reduced recombination through CZTS/CdS interface engineering in monograin layer solar cells by Kauk-Kuusik, M, Timmo, K, Muska, K, Pilvet, M, Krustok, J, Danilson, M, Mikli, V, Josepson, R, Grossberg-Kuusk, M

“…Abstract The power conversion efficiency of Cu 2 ZnSnS 4 (CZTS) solar cells is still limited by deep defects, low minority carrier lifetime and high…”
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Impact of the selenisation temperature on the structural and optical properties of CZTSe absorbers by Márquez-Prieto, J., Yakushev, M.V., Forbes, I., Krustok, J., Edwards, P.R., Zhivulko, V.D., Borodavchenko, O.M., Mudryi, A.V., Dimitrievska, M., Izquerdo-Roca, V., Pearsall, N.M., Martin, R.W.

“…We present structural and optical spectroscopy studies of thin films of Cu2ZnSnSe4 (CZTSe) with strong copper deficiency deposited on Mo/Glass substrates and…”
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Local strain-induced band gap fluctuations and exciton localization in aged WS2 monolayers by Krustok, J., Kaupmees, R., Jaaniso, R., Kiisk, V., Sildos, I., Li, B., Gong, Y.

“…Optical properties of aged WS2 monolayers grown by CVD method on Si/SiO2 substrates are studied using temperature dependent photoluminescence and reflectance…”
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