Probing the cybotactic region of PRODAN in tetramethyl orthosilicate-derived sol-gels

Upvan Narang; Jeffrey D. Jordan; Frank V. Bright; Paras N. Prasad

doi:10.1021/j100084a029

Probing the cybotactic region of PRODAN in tetramethyl orthosilicate-derived sol-gels

Upvan Narang
, Jeffrey D. Jordan
, Frank V. Bright
, Paras N. Prasad

Chemistry

SUNY Buffalo

Research output: Contribution to journal › Article › peer-review

85 Scopus citations

Abstract

6-Propionyl-2-(dimethylamino)naphthalene (PRODAN) is an extremely solvent sensitive probe. Changes in its photophysical characteristics are used to probe the microenvironment of the sol-gel matrix as a function of aging time. These results clearly demonstrate that PRODAN senses a distribution of microenvironments within the sol-gel matrix. The ensemble of domains are evident immediately after gelation up until the drying stage. The extent of this microheterogeneity varies as a function of aging time. Steady-state emission anisotropy and time-resolved emission data provide detailed information on how the various stages of the sol-gel process affect the photophysics of PRODAN.

Original language	English
Pages (from-to)	8101-8107
Number of pages	7
Journal	Journal of Physical Chemistry
Volume	98
Issue number	33
DOIs	https://doi.org/10.1021/j100084a029
State	Published - 1994

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@article{14964a7ee31843ab9cb66bb8fbd913d1,

title = "Probing the cybotactic region of PRODAN in tetramethyl orthosilicate-derived sol-gels",

abstract = "6-Propionyl-2-(dimethylamino)naphthalene (PRODAN) is an extremely solvent sensitive probe. Changes in its photophysical characteristics are used to probe the microenvironment of the sol-gel matrix as a function of aging time. These results clearly demonstrate that PRODAN senses a distribution of microenvironments within the sol-gel matrix. The ensemble of domains are evident immediately after gelation up until the drying stage. The extent of this microheterogeneity varies as a function of aging time. Steady-state emission anisotropy and time-resolved emission data provide detailed information on how the various stages of the sol-gel process affect the photophysics of PRODAN.",

author = "Upvan Narang and Jordan, \{Jeffrey D.\} and Bright, \{Frank V.\} and Prasad, \{Paras N.\}",

year = "1994",

doi = "10.1021/j100084a029",

language = "English",

volume = "98",

pages = "8101--8107",

journal = "Journal of Physical Chemistry",

issn = "0022-3654",

publisher = "American Chemical Society",

number = "33",

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TY - JOUR

T1 - Probing the cybotactic region of PRODAN in tetramethyl orthosilicate-derived sol-gels

AU - Narang, Upvan

AU - Jordan, Jeffrey D.

AU - Bright, Frank V.

AU - Prasad, Paras N.

PY - 1994

Y1 - 1994

N2 - 6-Propionyl-2-(dimethylamino)naphthalene (PRODAN) is an extremely solvent sensitive probe. Changes in its photophysical characteristics are used to probe the microenvironment of the sol-gel matrix as a function of aging time. These results clearly demonstrate that PRODAN senses a distribution of microenvironments within the sol-gel matrix. The ensemble of domains are evident immediately after gelation up until the drying stage. The extent of this microheterogeneity varies as a function of aging time. Steady-state emission anisotropy and time-resolved emission data provide detailed information on how the various stages of the sol-gel process affect the photophysics of PRODAN.

AB - 6-Propionyl-2-(dimethylamino)naphthalene (PRODAN) is an extremely solvent sensitive probe. Changes in its photophysical characteristics are used to probe the microenvironment of the sol-gel matrix as a function of aging time. These results clearly demonstrate that PRODAN senses a distribution of microenvironments within the sol-gel matrix. The ensemble of domains are evident immediately after gelation up until the drying stage. The extent of this microheterogeneity varies as a function of aging time. Steady-state emission anisotropy and time-resolved emission data provide detailed information on how the various stages of the sol-gel process affect the photophysics of PRODAN.

UR - https://www.scopus.com/pages/publications/33751158751

U2 - 10.1021/j100084a029

DO - 10.1021/j100084a029

M3 - Article

AN - SCOPUS:33751158751

SN - 0022-3654

VL - 98

SP - 8101

EP - 8107

JO - Journal of Physical Chemistry

JF - Journal of Physical Chemistry

IS - 33

ER -

Probing the cybotactic region of PRODAN in tetramethyl orthosilicate-derived sol-gels

Abstract

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