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Titolo:
Light absorption of silica nanoparticles - art. no. 161402
Autore:
Altman, IS; Lee, D; Chung, JD; Song, J; Choi, M;
Indirizzi:
Seoul Natl Univ, Sch Mech & Aerosp Engn, Inst Adv Machinery & Design, NatlCRI Ctr Nano Particle Control, Seoul 151742, South Korea Seoul Natl Univ Seoul South Korea 151742 trol, Seoul 151742, South Korea Odessa Natl Univ, Dept Phys, UA-65026 Odessa, Ukraine Odessa Natl Univ Odessa Ukraine UA-65026 Phys, UA-65026 Odessa, Ukraine
Titolo Testata:
PHYSICAL REVIEW B
fascicolo: 16, volume: 6316, anno: 2001,
pagine: 1402 -
SICI:
0163-1829(20010415)6316:16<1402:LAOSN->2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
TEMPERATURE-DEPENDENCE; OPTICAL-ABSORPTION; GLASS; MORPHOLOGY; SIZE; EDGE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Choi, M Seoul Natl Univ, Sch Mech & Aerosp Engn, Inst Adv Machinery & Design, NatlCRI Ctr Nano Particle Control, Seoul 151742, South Korea Seoul NatlUniv Seoul South Korea 151742 oul 151742, South Korea
Citazione:
I.S. Altman et al., "Light absorption of silica nanoparticles - art. no. 161402", PHYS REV B, 6316(16), 2001, pp. 1402

Abstract

The light absorption of silica nanoparticles generated in a flame has beenmeasured in visible Light. It was revealed that the frequency dependence of the light absorption coefficient is nonexponential. Its absolute value inthe forbidden band was found to be unusually high. This behavior of light absorption is ascribed to a narrowing of the energy gap due to a high concentration of structural defects that appear during particle generation and growth at high temperatures.

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Documento generato il 05/04/20 alle ore 00:43:57