Free volume dependent fluorescence property of PMMA composite: Positron annihilation studies

V. Ravindrachary; S. D. Praveena; R. F. Bhajantri; Vincent Crasta

doi:10.1063/1.4790943

Free volume dependent fluorescence property of PMMA composite: Positron annihilation studies

V. Ravindrachary, S. D. Praveena, R. F. Bhajantri, Ismayil, Vincent Crasta

Department of Physics, Manipal Institute of Technology, Manipal

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The free volume related fluorescence properties of chalcone chromophore [1-(4-methylphenyl)-3-(4-N, N, dimethylaminophenyl)-2-propen-1-one doped Poly(methyl methacrylate) have been studied using fluorescence spectroscopy and Positron Annihilation lifetime spectroscopy techniques. The fluorescence spectra show that the fluorescence behavior depends on the free volume dependent polymer microstructure and varies with dopant concentration with in the composite. The origin and variation of fluorescence is understood by twisted internal charge transfer state as well as free volume. The Positron annihilation study shows that the free volume related microstructure of the composite is vary with doping level.

Original language	English
Title of host publication	Solid State Physics - Proceedings of the 57th DAE Solid State Physics Symposium 2012
Pages	126-127
Number of pages	2
Volume	1512
DOIs	https://doi.org/10.1063/1.4790943
Publication status	Published - 15-03-2013
Event	57th DAE Solid State Physics Symposium 2012 - Bombay, Mumbai, India Duration: 03-12-2012 → 07-12-2012

Conference

Conference	57th DAE Solid State Physics Symposium 2012
Country/Territory	India
City	Bombay, Mumbai
Period	03-12-12 → 07-12-12

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.4790943

Cite this

@inproceedings{b08c170b1e9546f5ac1f8c2f45560c60,

title = "Free volume dependent fluorescence property of PMMA composite: Positron annihilation studies",

abstract = "The free volume related fluorescence properties of chalcone chromophore [1-(4-methylphenyl)-3-(4-N, N, dimethylaminophenyl)-2-propen-1-one doped Poly(methyl methacrylate) have been studied using fluorescence spectroscopy and Positron Annihilation lifetime spectroscopy techniques. The fluorescence spectra show that the fluorescence behavior depends on the free volume dependent polymer microstructure and varies with dopant concentration with in the composite. The origin and variation of fluorescence is understood by twisted internal charge transfer state as well as free volume. The Positron annihilation study shows that the free volume related microstructure of the composite is vary with doping level.",

author = "V. Ravindrachary and Praveena, {S. D.} and Bhajantri, {R. F.} and Ismayil and Vincent Crasta",

year = "2013",

month = mar,

day = "15",

doi = "10.1063/1.4790943",

language = "English",

isbn = "9780735411333",

volume = "1512",

pages = "126--127",

booktitle = "Solid State Physics - Proceedings of the 57th DAE Solid State Physics Symposium 2012",

note = "57th DAE Solid State Physics Symposium 2012 ; Conference date: 03-12-2012 Through 07-12-2012",

}

Ravindrachary, V, Praveena, SD, Bhajantri, RF, Ismayil & Crasta, V 2013, Free volume dependent fluorescence property of PMMA composite: Positron annihilation studies. in Solid State Physics - Proceedings of the 57th DAE Solid State Physics Symposium 2012. vol. 1512, pp. 126-127, 57th DAE Solid State Physics Symposium 2012, Bombay, Mumbai, India, 03-12-12. https://doi.org/10.1063/1.4790943

TY - GEN

T1 - Free volume dependent fluorescence property of PMMA composite

T2 - 57th DAE Solid State Physics Symposium 2012

AU - Ravindrachary, V.

AU - Praveena, S. D.

AU - Bhajantri, R. F.

AU - Ismayil,

AU - Crasta, Vincent

PY - 2013/3/15

Y1 - 2013/3/15

N2 - The free volume related fluorescence properties of chalcone chromophore [1-(4-methylphenyl)-3-(4-N, N, dimethylaminophenyl)-2-propen-1-one doped Poly(methyl methacrylate) have been studied using fluorescence spectroscopy and Positron Annihilation lifetime spectroscopy techniques. The fluorescence spectra show that the fluorescence behavior depends on the free volume dependent polymer microstructure and varies with dopant concentration with in the composite. The origin and variation of fluorescence is understood by twisted internal charge transfer state as well as free volume. The Positron annihilation study shows that the free volume related microstructure of the composite is vary with doping level.

AB - The free volume related fluorescence properties of chalcone chromophore [1-(4-methylphenyl)-3-(4-N, N, dimethylaminophenyl)-2-propen-1-one doped Poly(methyl methacrylate) have been studied using fluorescence spectroscopy and Positron Annihilation lifetime spectroscopy techniques. The fluorescence spectra show that the fluorescence behavior depends on the free volume dependent polymer microstructure and varies with dopant concentration with in the composite. The origin and variation of fluorescence is understood by twisted internal charge transfer state as well as free volume. The Positron annihilation study shows that the free volume related microstructure of the composite is vary with doping level.

UR - http://www.scopus.com/inward/record.url?scp=84874824540&partnerID=8YFLogxK

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U2 - 10.1063/1.4790943

DO - 10.1063/1.4790943

M3 - Conference contribution

AN - SCOPUS:84874824540

SN - 9780735411333

VL - 1512

SP - 126

EP - 127

BT - Solid State Physics - Proceedings of the 57th DAE Solid State Physics Symposium 2012

Y2 - 3 December 2012 through 7 December 2012

ER -

Free volume dependent fluorescence property of PMMA composite: Positron annihilation studies

Abstract

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