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 SM ISO690:2012TODOSICIUC, Alexandr, NIKORICH, Andrey V., BRAGINSKY, Leonid, GUTSUL, Tatiana, SHKLOVER, Valery. Study of surfactant bonding to lead telluride nanoparticles. In: Proceedings of the International Semiconductor Conference: CAS, Ed. 32, 11-14 octombrie 2009, San Antonio. New Jersey: Institute of Electrical and Electronics Engineers Inc., 2009, Vol. 1, pp. 143-146. ISBN 978-142444413-7. DOI: https://doi.org/10.1109/SMICND.2009.5336588 |
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| Proceedings of the International Semiconductor Conference Vol. 1, 2009 |
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Conferința " International Semiconductor Conference" 32, San Antonio, Statele Unite ale Americii, 11-14 octombrie 2009 | ||||||
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| DOI:https://doi.org/10.1109/SMICND.2009.5336588 | ||||||
| Pag. 143-146 | ||||||
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Colloidal suspensions of PbTe nanoparticles coated with oleic acid were obtained using a hightemperature solution phase method. Bonding between the oleic acid and nanoparticles was investigated using Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy. The results indicated that oleic acid coordinated the nanoparticles symmetrically through carboxyl groups, and the interaction modes were bridging bidentate and chelating interactions. The strong coordination by the capping monolayer made the nanoparticles stable against oxidation. Nanocrystalline PbTe exhibited electrical conductivity, which itself had an activation character with increasing temperature. |
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| Cuvinte-cheie Bridging bidentate, Carboxyl groups, Colloidal suspensions, electrical conductivity, high temperature, Interaction modes, Lead telluride, Nanocrystallines, PbTe, Solution phase methods |
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