Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Jaan Raudoja"'
Autor:
Mare Altosaar, Valdek Mikli, Marit Kauk-Kuusik, Kristi Timmo, Maarja Grossberg, Maris Pilvet, Jaan Raudoja, T. Varema, Reelika Kaupmees, Mati Danilson
Publikováno v:
Solar Energy. 176:648-655
Monograin layer (MGL) solar cell technology based on CuIn1-xGaxSe2 (CIGSe) monograin powder crystals is a promising approach for the future low-cost production of flexible solar panels. In this study, CuIn1-xGaxSe2 monograin powders (0 ≤ x ≤ 1) w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de415b8c7b564052566f253f29c9224b
https://doi.org/10.1016/j.solener.2018.10.078
https://doi.org/10.1016/j.solener.2018.10.078
Autor:
Katriin Kristmann, Mare Altosaar, Jaan Raudoja, Jüri Krustok, Maris Pilvet, Valdek Mikli, Maarja Grossberg, Mati Danilson, Taavi Raadik
Publikováno v:
Thin Solid Films. 743:139068
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::452ff6e2e92685e6c72866f7a392b8e8
https://doi.org/10.1016/j.tsf.2021.139068
https://doi.org/10.1016/j.tsf.2021.139068
Autor:
Mare Altosaar, Jaan Raudoja, Maarja Grossberg, X. Li, Maris Pilvet, Taavi Raadik, Mati Danilson, Kristi Timmo, Valdek Mikli, Marit Kauk-Kuusik, Jüri Krustok
Publikováno v:
Thin Solid Films. 666:15-19
Cu2CdGeSe4 monograin powders were synthesized by molten salt method for photovoltaic applications. The effects of salt material (CdI2 and KI), synthesis temperature and time on the structural, morphological, compositional and optoelectronic propertie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53d51c2cbc7d1810ce0331ae0d6121b2
https://doi.org/10.1016/j.tsf.2018.09.025
https://doi.org/10.1016/j.tsf.2018.09.025
Autor:
Dieter Meissner, Rainer Traksmaa, Godswill Chimezie Nkwusi, Mati Danilson, Jaan Raudoja, Olga Volobujeva, Kristi Timmo, Mare Altosaar, Inga Leinemann, Tiit Kaljuvee
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 134:409-421
We investigated various possible chemical interactions between individual precursor compounds (ZnSe, SnSe, and CuSe) and CdI2 as a flux material used in the CZTSe monograin powder synthesis–growth process in closed vacuum ampoules. The processes oc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5612aff3fe8b16943b546ce1329ca04e
https://doi.org/10.1007/s10973-018-7102-5
https://doi.org/10.1007/s10973-018-7102-5
Autor:
Maarja Grossberg, Valdek Mikli, Maris Pilvet, Kristi Timmo, Taavi Raadik, Jaan Raudoja, Marit Kauk-Kuusik, Jüri Krustok, Rainer Traksmaa
Publikováno v:
Journal of Alloys and Compounds. 723:820-825
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 to 400 °C to the optical and structural properties of Cu2CdSnS4 polycrystalline powder w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9601a74b73b5ebbe3c176dd12e6c7697
https://doi.org/10.1016/j.jallcom.2017.06.307
https://doi.org/10.1016/j.jallcom.2017.06.307
Autor:
Revathi Naidu, Mihkel Loorits, Olga Volobujeva, Jaan Raudoja, Sergei Bereznev, Natalia Maticiuc, Erki Kärber, Enn Mellikov
Publikováno v:
Materials Science in Semiconductor Processing. 71:252-257
Researchers worldwide focus on new earth abundant and cheap absorber materials for use in thin film solar cells that allow wider use of photovoltaics in energy production. SnS is one of such promising absorber materials that comprises earth abundant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbe9e1409e59f0a7a9fe50dd10ce1416
https://doi.org/10.1016/j.mssp.2017.08.004
https://doi.org/10.1016/j.mssp.2017.08.004
Autor:
Maris Pilvet, Taavi Raadik, Mati Danilson, Marit Kauk-Kuusik, Kristi Timmo, Maarja Grossberg, Jaan Raudoja, K. Ernits, Mare Altosaar
Publikováno v:
Thin Solid Films. 633:122-126
In this study the influence of low-temperature structural ordering in absorber material to the performance of Cu 2 ZnSnS 4 (CZTS) monograin layer (MGL) solar cells was investigated. The shift of peak position in low temperature and room temperature p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75bc94f5ff29f645a86c7fb09be736a1
https://doi.org/10.1016/j.tsf.2016.10.017
https://doi.org/10.1016/j.tsf.2016.10.017
Autor:
Bharath Kasubosula, Suresh Kumar, Valdek Mikli, Mihkel Loorits, Maarja Grossberg, Mare Altosaar, Jaan Raudoja
Publikováno v:
Energy Procedia. 102:102-109
Cu2ZnSnS4 thin films on Mo and/or ITO covered glass substrates were prepared by dip coating method using methanol as solvent for CuCl2, ZnCl2, SnCl2 and CH4N2S as precursors. The influence of pre-annealing and post annealing conditions as well as the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d98e6537a3f3b0f45074976713bf53a
Autor:
Godswill Chimezie Nkwusi, E. Karba, Mare Altosaar, Inga Leinemann, Jaan Raudoja, Valdek Mikli
Publikováno v:
International Journal of Advanced Research. 4:1841-1847
This paper presents the impact of growth conditions on the properties of copper zinc cadmium tin sulfide (Cu2Zn1−xCdxSnS4) monograin powder synthesized in molten CdI2. We studied the effects of synthesis time and flux amount on the properties of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed452bfa5cdc2cf330546ed5337d1de2
https://doi.org/10.21474/ijar01/658
https://doi.org/10.21474/ijar01/658
Autor:
Jaan Raudoja, Fairouz Ghisani, Mare Altosaar, Valdek Mikli, Kristi Timmo, Marit Kauk-Kuusik, Maarja Grossberg, Maris Pilvet
Publikováno v:
Materials Science in Semiconductor Processing. 110:104973
Cd-substituted tetrahedrite Cu10Cd2Sb4S13 (TH-Cd) monograin powders were synthesized in molten CdI2 (as flux) with the aim to implement these materials as absorbers in monograin layer solar cells. Our study focuses on the influence of technological p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb172561e0c57daa9d6b3202eb6b0314
https://doi.org/10.1016/j.mssp.2020.104973
https://doi.org/10.1016/j.mssp.2020.104973