Preprint Article Version 1 This version is not peer-reviewed

Advantages of the Surface Structuration of the KBr Materials for the Spectrometry and Sensors

Version 1 : Received: 18 July 2018 / Approved: 18 July 2018 / Online: 18 July 2018 (13:31:29 CEST)

A peer-reviewed article of this Preprint also exists.

Kamanina, N.V.; Likhomanova, S.V.; Kuzhakov, P.V. Advantages of the Surface Structuration of KBr Materials for Spectrometry and Sensors. Sensors 2018, 18, 3013. Kamanina, N.V.; Likhomanova, S.V.; Kuzhakov, P.V. Advantages of the Surface Structuration of KBr Materials for Spectrometry and Sensors. Sensors 2018, 18, 3013.

Journal reference: Sensors 2018, 18, 3013
DOI: 10.3390/s18093013

Abstract

A potassium bromide KBr material, which has been widely used as the key element in the Fourier spectrometers and as the output window of the IR-lasers, has been studied with good advantage via applying the carbon nanotubes in order to modify the potassium bromide surface. The laser oriented deposition method has been used to place the carbon nanotubes at the matrix material surface in the vertical position at the different electric field varied from 100 to 600 V×cm-1. The main idea of the improvement of the spectral properties of the potassium bromide structure is connected with the fact that the refractive index of the carbon nanotubes is substantially less than the refractive index of the studied material, and the small diameter of the carbon nanotubes allows one to embed these nano-objects in the voids of the lattice of the model matrix systems. Moreover, the mechanical characteristics and wetting features of the potassium bromide structures have been investigated under the condition mentioned above. Analytical and quantum-chemical simulations have supported the experimental results.

Subject Areas

potassium bromide; carbon nanotubes; laser oriented deposition method; surface structuration; spectra; mechanical and wetting properties.

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