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Giant absorption of light by molecular vibrations on a chip

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Giant absorption of light by molecular vibrations on a chip. / Karabchevsky, A.; Kavokin, A. V.
In: Scientific Reports, Vol. 6, 21201, 18.02.2016.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Karabchevsky, A & Kavokin, AV 2016, 'Giant absorption of light by molecular vibrations on a chip', Scientific Reports, vol. 6, 21201. https://doi.org/10.1038/srep21201

APA

Karabchevsky, A., & Kavokin, A. V. (2016). Giant absorption of light by molecular vibrations on a chip. Scientific Reports, 6, Article 21201. https://doi.org/10.1038/srep21201

Vancouver

Karabchevsky A, Kavokin AV. Giant absorption of light by molecular vibrations on a chip. Scientific Reports. 2016 Feb 18;6:21201. doi: 10.1038/srep21201

Author

Karabchevsky, A. ; Kavokin, A. V. / Giant absorption of light by molecular vibrations on a chip. In: Scientific Reports. 2016 ; Vol. 6.

Bibtex

@article{ea65ad6e65eb4248b8cba0ee5f0fdfcd,
title = "Giant absorption of light by molecular vibrations on a chip",
abstract = "Vibrational overtone spectroscopy of molecules is a powerful tool for drawing information on molecular structure and dynamics. It relies on absorption of near infrared radiation (NIR) by molecular vibrations. Here we show the experimental evidence of giant enhancement of the absorption of light in solutions of organic molecules due to the switch from ballistic to diffusive propagation of light through a channel silicate glass waveguide. We also experimentally address a dynamics of absorption as a function of time of adsorption of the organic molecules on a waveguide. The observed enhancement in diffusion regime is by a factor of 300 in N-Methylaniline and by factor of 80 in Aniline compared to the expected values in the case of ballistic propagation of light in a waveguide. Our results underscore the importance of a guide surface modification and the disordered molecular nano-layer in enhancement of absorption by amines on engineered integrated system.",
author = "A. Karabchevsky and Kavokin, {A. V.}",
year = "2016",
month = feb,
day = "18",
doi = "10.1038/srep21201",
language = "English",
volume = "6",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",

}

RIS

TY - JOUR

T1 - Giant absorption of light by molecular vibrations on a chip

AU - Karabchevsky, A.

AU - Kavokin, A. V.

PY - 2016/2/18

Y1 - 2016/2/18

N2 - Vibrational overtone spectroscopy of molecules is a powerful tool for drawing information on molecular structure and dynamics. It relies on absorption of near infrared radiation (NIR) by molecular vibrations. Here we show the experimental evidence of giant enhancement of the absorption of light in solutions of organic molecules due to the switch from ballistic to diffusive propagation of light through a channel silicate glass waveguide. We also experimentally address a dynamics of absorption as a function of time of adsorption of the organic molecules on a waveguide. The observed enhancement in diffusion regime is by a factor of 300 in N-Methylaniline and by factor of 80 in Aniline compared to the expected values in the case of ballistic propagation of light in a waveguide. Our results underscore the importance of a guide surface modification and the disordered molecular nano-layer in enhancement of absorption by amines on engineered integrated system.

AB - Vibrational overtone spectroscopy of molecules is a powerful tool for drawing information on molecular structure and dynamics. It relies on absorption of near infrared radiation (NIR) by molecular vibrations. Here we show the experimental evidence of giant enhancement of the absorption of light in solutions of organic molecules due to the switch from ballistic to diffusive propagation of light through a channel silicate glass waveguide. We also experimentally address a dynamics of absorption as a function of time of adsorption of the organic molecules on a waveguide. The observed enhancement in diffusion regime is by a factor of 300 in N-Methylaniline and by factor of 80 in Aniline compared to the expected values in the case of ballistic propagation of light in a waveguide. Our results underscore the importance of a guide surface modification and the disordered molecular nano-layer in enhancement of absorption by amines on engineered integrated system.

U2 - 10.1038/srep21201

DO - 10.1038/srep21201

M3 - Journal article

VL - 6

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

M1 - 21201

ER -