Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra

Vitaly Antonovich Tolkachev; Alexander Pavlovich Blokhin

doi:doi:10.11648/j.sjac.20190704.11

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Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra

Vitaly Antonovich Tolkachev, Alexander Pavlovich Blokhin

Published in Science Journal of Analytical Chemistry (Volume 7, Issue 4)

Received: 19 July 2019 Accepted: 6 September 2019 Published: 21 September 2019

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Abstract

Background: The adiabatic approach and thermal population of starting state sublevels in vibronic transition at non degenerate combining states of molecular chromophores open ways to calculate pure-electronic transition frequency (combining states gap) individually from diffuse absorption or emission spectra. Results: Experimental data and the theory show, that the model fits to homogene chromophores at room and not low temperatures to escape degeneration and inhomogeneity. Side result of the approach is possibility to view inhomogeneity of chromophores or solvent site inhomogeneity. Conclusions: The approach is applied to vibronic spectra of molecular systems: molecules in different aggregate states, molecular crystals, color and F-centers, films and quantum dots. The trouble with the procedure is using wings of spectra, where the errors can be introduced by overlapping of impurities spectra and even by measurement inaccuracy.

Published in	Science Journal of Analytical Chemistry (Volume 7, Issue 4)
DOI	10.11648/j.sjac.20190704.11
Page(s)	76-82
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Diffuse Vibronic Spectrum, Pure-electronic Transition, Zero-Phonon Frequency, Chromophore Homogeneity, Quantum Dots Homogeneity, Molecular Crystals, F-centers and Color Centers

References

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APA Style

Vitaly Antonovich Tolkachev, Alexander Pavlovich Blokhin. (2019). Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra. Science Journal of Analytical Chemistry, 7(4), 76-82. https://doi.org/10.11648/j.sjac.20190704.11

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ACS Style

Vitaly Antonovich Tolkachev; Alexander Pavlovich Blokhin. Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra. Sci. J. Anal. Chem. 2019, 7(4), 76-82. doi: 10.11648/j.sjac.20190704.11

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AMA Style

Vitaly Antonovich Tolkachev, Alexander Pavlovich Blokhin. Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra. Sci J Anal Chem. 2019;7(4):76-82. doi: 10.11648/j.sjac.20190704.11

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@article{10.11648/j.sjac.20190704.11,
  author = {Vitaly Antonovich Tolkachev and Alexander Pavlovich Blokhin},
  title = {Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra},
  journal = {Science Journal of Analytical Chemistry},
  volume = {7},
  number = {4},
  pages = {76-82},
  doi = {10.11648/j.sjac.20190704.11},
  url = {https://doi.org/10.11648/j.sjac.20190704.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjac.20190704.11},
  abstract = {Background: The adiabatic approach and thermal population of starting state sublevels in vibronic transition at non degenerate combining states of molecular chromophores open ways to calculate pure-electronic transition frequency (combining states gap) individually from diffuse absorption or emission spectra. Results: Experimental data and the theory show, that the model fits to homogene chromophores at room and not low temperatures to escape degeneration and inhomogeneity. Side result of the approach is possibility to view inhomogeneity of chromophores or solvent site inhomogeneity. Conclusions: The approach is applied to vibronic spectra of molecular systems: molecules in different aggregate states, molecular crystals, color and F-centers, films and quantum dots. The trouble with the procedure is using wings of spectra, where the errors can be introduced by overlapping of impurities spectra and even by measurement inaccuracy.},
 year = {2019}
}

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TY  - JOUR
T1  - Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra
AU  - Vitaly Antonovich Tolkachev
AU  - Alexander Pavlovich Blokhin
Y1  - 2019/09/21
PY  - 2019
N1  - https://doi.org/10.11648/j.sjac.20190704.11
DO  - 10.11648/j.sjac.20190704.11
T2  - Science Journal of Analytical Chemistry
JF  - Science Journal of Analytical Chemistry
JO  - Science Journal of Analytical Chemistry
SP  - 76
EP  - 82
PB  - Science Publishing Group
SN  - 2376-8053
UR  - https://doi.org/10.11648/j.sjac.20190704.11
AB  - Background: The adiabatic approach and thermal population of starting state sublevels in vibronic transition at non degenerate combining states of molecular chromophores open ways to calculate pure-electronic transition frequency (combining states gap) individually from diffuse absorption or emission spectra. Results: Experimental data and the theory show, that the model fits to homogene chromophores at room and not low temperatures to escape degeneration and inhomogeneity. Side result of the approach is possibility to view inhomogeneity of chromophores or solvent site inhomogeneity. Conclusions: The approach is applied to vibronic spectra of molecular systems: molecules in different aggregate states, molecular crystals, color and F-centers, films and quantum dots. The trouble with the procedure is using wings of spectra, where the errors can be introduced by overlapping of impurities spectra and even by measurement inaccuracy.
VL  - 7
IS  - 4
ER  -

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Author Information

Vitaly Antonovich Tolkachev

Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus
Alexander Pavlovich Blokhin

Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus

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Plain Text BibTeX RIS

APA Style

Vitaly Antonovich Tolkachev, Alexander Pavlovich Blokhin. (2019). Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra. Science Journal of Analytical Chemistry, 7(4), 76-82. https://doi.org/10.11648/j.sjac.20190704.11

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ACS Style

Vitaly Antonovich Tolkachev; Alexander Pavlovich Blokhin. Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra. Sci. J. Anal. Chem. 2019, 7(4), 76-82. doi: 10.11648/j.sjac.20190704.11

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AMA Style

Vitaly Antonovich Tolkachev, Alexander Pavlovich Blokhin. Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra. Sci J Anal Chem. 2019;7(4):76-82. doi: 10.11648/j.sjac.20190704.11

Copy | Download

@article{10.11648/j.sjac.20190704.11,
  author = {Vitaly Antonovich Tolkachev and Alexander Pavlovich Blokhin},
  title = {Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra},
  journal = {Science Journal of Analytical Chemistry},
  volume = {7},
  number = {4},
  pages = {76-82},
  doi = {10.11648/j.sjac.20190704.11},
  url = {https://doi.org/10.11648/j.sjac.20190704.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjac.20190704.11},
  abstract = {Background: The adiabatic approach and thermal population of starting state sublevels in vibronic transition at non degenerate combining states of molecular chromophores open ways to calculate pure-electronic transition frequency (combining states gap) individually from diffuse absorption or emission spectra. Results: Experimental data and the theory show, that the model fits to homogene chromophores at room and not low temperatures to escape degeneration and inhomogeneity. Side result of the approach is possibility to view inhomogeneity of chromophores or solvent site inhomogeneity. Conclusions: The approach is applied to vibronic spectra of molecular systems: molecules in different aggregate states, molecular crystals, color and F-centers, films and quantum dots. The trouble with the procedure is using wings of spectra, where the errors can be introduced by overlapping of impurities spectra and even by measurement inaccuracy.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Extraction of Pure-electronic Transition Frequency and Chromophor Polymorphism from Diffuse Vibronic Spectra
AU  - Vitaly Antonovich Tolkachev
AU  - Alexander Pavlovich Blokhin
Y1  - 2019/09/21
PY  - 2019
N1  - https://doi.org/10.11648/j.sjac.20190704.11
DO  - 10.11648/j.sjac.20190704.11
T2  - Science Journal of Analytical Chemistry
JF  - Science Journal of Analytical Chemistry
JO  - Science Journal of Analytical Chemistry
SP  - 76
EP  - 82
PB  - Science Publishing Group
SN  - 2376-8053
UR  - https://doi.org/10.11648/j.sjac.20190704.11
AB  - Background: The adiabatic approach and thermal population of starting state sublevels in vibronic transition at non degenerate combining states of molecular chromophores open ways to calculate pure-electronic transition frequency (combining states gap) individually from diffuse absorption or emission spectra. Results: Experimental data and the theory show, that the model fits to homogene chromophores at room and not low temperatures to escape degeneration and inhomogeneity. Side result of the approach is possibility to view inhomogeneity of chromophores or solvent site inhomogeneity. Conclusions: The approach is applied to vibronic spectra of molecular systems: molecules in different aggregate states, molecular crystals, color and F-centers, films and quantum dots. The trouble with the procedure is using wings of spectra, where the errors can be introduced by overlapping of impurities spectra and even by measurement inaccuracy.
VL  - 7
IS  - 4
ER  -

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