Materials, Photonic Devices, and Sensors

Formation of luminescent and nonluminescent silver nanoparticles in silicate glasses by near-infrared femtosecond laser pulses and subsequent thermal treatment: the role of halogenides

[+] Author Affiliations
Dmitry A. Klyukin, Victor D. Dubrovin, Alisa S. Pshenova, Sergey E. Putilin, Teimur A. Shakhverdov, Anton N. Tsypkin, Nikolay V. Nikonorov, Alexander I. Sidorov

ITMO University, Department of Optoinformational Technologies and Materials, Birzhevaya line, 4, St. Petersburg 199034, Russia

Opt. Eng. 55(6), 067101 (Jun 01, 2016). doi:10.1117/1.OE.55.6.067101
History: Received April 6, 2016; Accepted May 19, 2016
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Abstract.  It is shown experimentally that the near-infrared femtosecond laser irradiation and subsequent thermal treatment of silver-containing silicate glasses result in the formation of luminescent silver molecular clusters (MCs) and silver nanoparticles (NPs). In glasses doped also with halides (mostly Br), the nonluminescent silver NPs are formed because of the presence of halogenide shells on their surfaces, whereas, in glasses with no Br ions, the luminescent silver nanoparticles provides an emission in the 600- to 750-nm range. Two possible mechanisms of luminescence of glass with silver NPs are considered: (i) luminescence of silver NPs without halogenide shell and (ii) the luminescence of silver MCs Agm (m=1 to 4) remaining even after the formation of silver NPs.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Dmitry A. Klyukin ; Victor D. Dubrovin ; Alisa S. Pshenova ; Sergey E. Putilin ; Teimur A. Shakhverdov, et al.
"Formation of luminescent and nonluminescent silver nanoparticles in silicate glasses by near-infrared femtosecond laser pulses and subsequent thermal treatment: the role of halogenides", Opt. Eng. 55(6), 067101 (Jun 01, 2016). ; http://dx.doi.org/10.1117/1.OE.55.6.067101


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