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of 120
pro vyhledávání: '"K. Dohnalová"'
Autor:
Anna Fucikova, Vladimír Scholtz, Irena Matulková, Pavel Galář, Tomáš Popelář, Jan Valenta, Kateřina Kůsová, K. Dohnalová, Josef Khun
Publikováno v:
Green Chemistry, 23(2), 898-911. The Royal Society of Chemistry
Semiconductor nanoparticles proved to be an important material in the composition of modern technologies. The most important properties which shape these nanoparticles include not only their atomic composition and size, but also surface chemistry. He
Autor:
Chia-Ching Huang, Marco van der Laan, Yingying Tang, K. Dohnalová, A. Femius Koenderink, Jorik van de Groep
Publikováno v:
ACS Applied Nano Materials
ACS Applied Nano Materials, 4(1), 288-296. American Chemical Society (ACS)
ACS Applied Nano Materials, 4(1), 288-296. American Chemical Society (ACS)
Silicon nanoparticles (Si-NPs) represent one of many types of nanomaterials, where the origin of emission is difficult to assess due to a complex interplay between the core and surface chemistry. Band-gap tunability in Si-NPs is predicted to span fro
Publikováno v:
Chemistry of Materials, 32(15), 6326-6337. American Chemical Society
Chemistry of Materials, 32(15). American Chemical Society
Dohnalová, K, Hapala, P, Kůsová, K & Infante, I 2020, ' Electronic Structure Engineering Achieved via Organic Ligands in Silicon Nanocrystals ', Chemistry of Materials, vol. 32, no. 15, pp. 6326-6337 . https://doi.org/10.1021/acs.chemmater.0c00443
Chemistry of Materials, 32(15). American Chemical Society
Dohnalová, K, Hapala, P, Kůsová, K & Infante, I 2020, ' Electronic Structure Engineering Achieved via Organic Ligands in Silicon Nanocrystals ', Chemistry of Materials, vol. 32, no. 15, pp. 6326-6337 . https://doi.org/10.1021/acs.chemmater.0c00443
A class of important semiconductors, such as Si, Ge, or C, has an indirect band gap, which critically limits their optical properties. Lack of efficient emission is especially unfortunate for silicon, where Si light sources could enable realization o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06a869f4b17838b1297f428c52604aa6
https://research.vu.nl/en/publications/d38a1544-a86b-4d93-a480-466fd28c1317
https://research.vu.nl/en/publications/d38a1544-a86b-4d93-a480-466fd28c1317
Autor:
Jan Valenta, Jaroslav Křivánek, Yvo D. Mudde, K. Dohnalová, Ivo Kondapaneni, Gejza Dohnal, Peter Schall, Alex Wilkie, Bart van Dam, Benjamin Bruhn
Publikováno v:
Physical Review Applied, 12(2):024022. American Physical Society
Photoluminescence (PL) quantum yield (QY), which is defined as the ratio of emitted to absorbed photons, is the central quantity that characterizes light-emitting materials. It is an important parameter to assess the light efficiency of new materials
Publikováno v:
AIP Advances, Vol 9, Iss 3, Pp 039102-039102-3 (2019)
AIP advances, 9(3):039102. American Institute of Physics
AIP advances, 9(3):039102. American Institute of Physics
Autor:
K. Dohnalová, Kateřina Kůsová
Publikováno v:
Silicon Nanomaterials Sourcebook ISBN: 9781315153544
Comparing different surfaces, a “model” SiNC is that terminated with hydrogen (H-SiNC) as hydrogen termination influences the physical properties of the silicon core the least. H-SiNCs provide full spectral tunability [212], following the quantum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d60b8f55d8f13fcea37cfeeaca76703
https://doi.org/10.1201/9781315153544-19
https://doi.org/10.1201/9781315153544-19
Akademický článek
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Publikováno v:
The Journal of Physical Chemistry. C, 120(33), 18901-18908. American Chemical Society
We present a theoretical study of Ge-core/Si-shell nanocrystals in a wide bandgap matrix and compare the results with experimental data obtained from the samples prepared by co-sputtering. The empirical tight-binding technique allows us to account fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d33daa520a3eb376b7f29f0d1a656160
http://arxiv.org/abs/1605.08610
http://arxiv.org/abs/1605.08610
Autor:
C.P. Umesh, Tom Gregorkiewicz, Jan Valenta, K. Dohnalová, Martin Hof, Jos M. J. Paulusse, Jana Humpolíčková, Anna Fucikova, Han Zuilhof
Publikováno v:
Small, 8(20), 3185-3191. Wiley-VCH Verlag
Small, 8(20), 3185-3191
Small, 8(20), 3185-3191. Wiley-VCH
Small 8 (2012) 20
Small, 8(20), 3185-3191
Small, 8(20), 3185-3191. Wiley-VCH
Small 8 (2012) 20
The microscopic origin of the bright nanosecond blue-green photoluminescence (PL), frequently reported for synthesized organically terminated Si quantum dots (Si-QDs), has not been fully resolved, hampering potential applications of this interesting
Autor:
Yu Wang, Maurice C. G. Aalders, Wybren Jan Buma, Tom Gregorkiewicz, Xianggui Kong, Hong Zhang, Xiaomin Liu, K. Dohnalová, Kai Liu
Publikováno v:
journal of physical chemistry letters, 2(17), 2083-2088. American Chemical Society
The Journal of Physical Chemistry Letters, 2(17), 2083-2088. American Chemical Society
The Journal of Physical Chemistry Letters, 2(17), 2083-2088. American Chemical Society
Almost all the luminescence upconversion nanoparticles used for Forster resonant energy transfer (FRET) applications are bare cores based on the consideration that the energy transfer efficiency is optimized because the distance between energy donors