Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Petko, Vitanov"'
Publikováno v:
Energies, Vol 16, Iss 10, p 4050 (2023)
This paper investigates the possibility of using a nanolaminate TiO2/Ag/TiO2 structure as a transparent conductive coating on GaAs solar cells. A novel result is that this structure forms an Ohmic contact to Al-rich AlGaAs, which is used as a “wind
Externí odkaz:
https://doaj.org/article/9f32e38beb9c466fabb0836c3dad44dd
Publikováno v:
Materials, Vol 15, Iss 5, p 1742 (2022)
In our study, transparent and conductive films of NiOx were successfully deposited by sol-gel technology. NiOx films were obtained by spin coating on glass and Si substrates. The vibrational, optical, and electrical properties were studied as a funct
Externí odkaz:
https://doaj.org/article/061b6fe8c0b8424aa214ed26521eee84
Autor:
Petko Vitanov, Tatyana Ivanova, Hristosko Dikov, Penka Terziyska, Maxim Ganchev, Nikolay Petkov, Yordan Georgiev, Asen Asenov
Publikováno v:
Coatings; Volume 12; Issue 9; Pages: 1324
ZnO/Ag/ZnO nanolaminate structures were deposited by consecutive RF sputtering at room temperature.The optical transparency, sheet resistance, and figure of merit are determined in relation to the deposition time of Ag and to the film thickness of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad3b74f2739995e95fb504e96bfa1bc0
Publikováno v:
Materials Today: Proceedings. 37:A16-A20
Thin films of copper (I) bromide deposited by Physical Vapor Deposition (PVD) were investigated for their potential application as inorganic hole transport layer in perovskite solar cells with standard architecture. The CuBr layers with different thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9b047a06b3e6d7d4646849834fe6a05
https://doi.org/10.1016/j.matpr.2021.05.244
https://doi.org/10.1016/j.matpr.2021.05.244
Autor:
Chung Chin, Chiou, Fan Hsi, Hsu, Stefan, Petrov, Vera, Marinova, Hristosko, Dikov, Petko, Vitanov, Dimitre, Dimitrov, Ken Yuh, Hsu, Yi Hsin, Lin, Shiuan Huei, Lin
Publikováno v:
Optics express. 27(12)
The era of flexible optoelectronics demands development of wearable and bendable structures, foldable touch screens, paper-like displays, and curved and flexible solid-state lighting devices. Here, we demonstrate the fabrication of highly flexible li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::11ec57499e932a4774111df7f68305d3
https://pubmed.ncbi.nlm.nih.gov/31252909
https://pubmed.ncbi.nlm.nih.gov/31252909
Autor:
G Popkirov, P. Terziyska, R Gergova, M. Ganchev, Jako S. Eensalu, Petko Vitanov, Stanka Stankova, Hristosko Dikov, Atanas Katerski
Publikováno v:
AIP Conference Proceedings.
Wide band gap metal oxide semiconductors are an important material base in optoelectronic industry. Dye sensitized solar cells and especially the organometallic perovskite ones present a new way of application of these materials with specific require
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d74cfacb671573d67a8f57915bef51b
https://doi.org/10.1063/1.5091316
https://doi.org/10.1063/1.5091316
Autor:
Petko Vitanov, R Gergova, G. Grancharov, M. Sendova-Vassileva, G Popkirov, Hr Dikov, Valeria Gancheva
Publikováno v:
AIP Conference Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ccc0aad921430ab0ae09d952d45ec50
https://doi.org/10.1063/1.5091318
https://doi.org/10.1063/1.5091318
Publikováno v:
Journal of Physics: Conference Series. 1492:012031
In the present study, thermally evaporated thin copper (I) bromide films were investigated as a potential hole-transport material for hybrid perovskite solar cells in a standard configuration. The films were deposited on top of glass substrates; the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f352b2a1cdd588f2490a3b80ab42809b
https://doi.org/10.1088/1742-6596/1492/1/012031
https://doi.org/10.1088/1742-6596/1492/1/012031
Autor:
Chung Chin Chiou, Shiuan-Huei Lin, Hr Dikov, Petko Vitanov, Ken-Yuh Hsu, Y. C. Su, Vera Marinova
Publikováno v:
Optical and Quantum Electronics. 50
In this paper, TiO2/Ag/TiO2 multilayers, deposited by magnetron sputtering technique at room temperature are used as transparent conductive layers for Liquid Crystal (LC) devices fabrication. The measured electro-optical modulation characteristics an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::901ed35839fb15ee0fb653c1992c58c6
https://doi.org/10.1007/s11082-018-1513-1
https://doi.org/10.1007/s11082-018-1513-1
Publikováno v:
2017 40th International Spring Seminar on Electronics Technology (ISSE).
Results obtained at integration of nano-laminated Dielectric-Metal-Dielectric (DMD) resistors in silicon MEMS sensors are presented in this paper. Fabrication technology with significantly reduced thermal budged for integration of DMD resistors in fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08e29f1d7073a2c30dc342858fbd8d57
https://doi.org/10.1109/isse.2017.8000980
https://doi.org/10.1109/isse.2017.8000980