Anomalies of photoacoustic response in CdS/Y-zeolite system

Ivan V. Blonskij; Michail S. Brodyn; Volodymyr A. Tkhoryk; Piotr M. Tomchuk; Alexander G. Filin; German M. Telbiz

doi:10.1117/12.226196

3 November 1995 Anomalies of photoacoustic response in CdS/Y-zeolite system

Ivan V. Blonskij, Michail S. Brodyn, Volodymyr A. Tkhoryk, Piotr M. Tomchuk, Alexander G. Filin, German M. Telbiz

Proceedings Volume 2648, International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics; (1995) https://doi.org/10.1117/12.226196
Event: International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, 1995, Kiev, Ukraine

Abstract

An anomalously high efficiency of sound photogeneration in the ensemble of spatially separated CdS microcrystals embedded in zeolite cavities and excited by nsec laser pulses is found. A qualitative explanation of the observed effect is made. The photoacoustic spectra of such specimens which were obtained by gas-microphone detection call made it possible to reconstruct the fundamental absorption edge of CdS microcrystals in the (alpha) less than 10³cm^-1 region. The presented results reflect the efficiency of the absorbed- to-thermal energy conversion.

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Ivan V. Blonskij, Michail S. Brodyn, Volodymyr A. Tkhoryk, Piotr M. Tomchuk, Alexander G. Filin, and German M. Telbiz "Anomalies of photoacoustic response in CdS/Y-zeolite system", Proc. SPIE 2648, International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, (3 November 1995); https://doi.org/10.1117/12.226196

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KEYWORDS

Cadmium sulfide

Absorption

Photoacoustic spectroscopy

Zeolites

Signal detection

Energy efficiency

Acoustics

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