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Characterization and surface-enhanced Raman spectral probing of silver hydrosols prepared by two-wavelength laser ablation and fragmentation
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SYSNO ASEP 0189389 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Characterization and surface-enhanced Raman spectral probing of silver hydrosols prepared by two-wavelength laser ablation and fragmentation Author(s) Šmejkal, P. (CZ)
Šišková, K. (CZ)
Vlčková, B. (CZ)
Pfleger, Jiří (UMCH-V) RID
Šloufová, Ivana (UMCH-V)
Šlouf, Miroslav (UMCH-V) RID, ORCID
Mojzeš, P. (CZ)Source Title Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy. - : Elsevier - ISSN 1386-1425
Roč. 59, č. 10 (2003), s. 2321-2329Number of pages 9 s. Action International Conference on Raman Spectroscopy Applied to the Earth Sciences /5./ Event date 12.06.2002-15.06.2002 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country GB - United Kingdom Keywords surface-enhanced Raman spectroscopy ; silver hydrosols ; two-wavelength laser ablation Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects GA203/01/1013 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z4050913 - UMCH-V Annotation A four step Ag foil laser ablation-Ag nanoparticle fragmentation procedure in ultrapure water was carried out both under argon and in air. Pulses of a high power Nd/YAG laser were used for laser ablation and for the three step Ag hydrosol treatment in the absence of Ag foil in the sequence 1064-532-1064 nm. Transmission electron microscopy and surface plasmon extinction spectra provide evidence of Ag nanoparticle fragmentation in the second and third step of the procedure carried out under argon.. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2004
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