Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4987
Title: Synthesis and Raman spectroscopic investigation of a new self-assembly monolayer material 4-[N-phenyl-N-(3-methylphenyl)-amino]-benzoic acid for organic light-emitting devices
Authors: Kurt, Mustafa
Okur, Salih
Demiç, Şerafettin
Karpagam, J.
Sundaraganesan, N.
Keywords: 4-[N-phenyl-N-(3-methylphenyl) amino]-benzoic acid
DFT
FT-Raman
Dispersive Raman
NBO analysis
Issue Date: Aug-2011
Publisher: John Wiley and Sons Inc.
Source: Kurt, M., Okur, S., Demiç, S., Karpagam, J., and Sundaraganesan, N. (2011). Synthesis and Raman spectroscopic investigation of a new self-assembly monolayer material 4-[N-phenyl-N-(3-methylphenyl)-amino]-benzoic acid for organic light-emitting devices. Journal of Raman Spectroscopy, 42(8), 1682-1689. doi:10.1002/jrs.2910
Abstract: We have synthesized 4-[N-phenyl-N-(3-methylphenyl)-amino]-benzoic acid (4-[PBA]) and investigated its molecular vibrations by infrared and Raman spectroscopies as well as by calculations based on the density functional theory (DFT) approach. The Fourier transform (FT) Raman, dispersive Raman and FT-IR spectra of 4-[PBA] were recorded in the solid phase. We analyzed the optimized geometric structure and energies of 4-[PBA] in the ground state. Stability of the molecule arising from hyperconjugative interactions and charge delocalization was studied using natural bond orbital analysis. The results show that change in electron density in the δ* and π* antibonding orbitals and E 2 energies confirm the occurrence of intramolecular charge transfer within the molecule. Theoretical calculations were performed at the DFT level using the Gaussian 09 program. Selected experimental bands were assigned and characterized on the basis of the scaled theoretical wavenumbers by their total energy distribution. The good agreement between the experimental and theoretical spectra allowed positive assignment of the observed vibrational absorption bands. Finally, the calculation results were applied to simulate the Raman and IR spectra of the title compound, which show agreement with the observed spectra.
URI: http://doi.org/10.1002/jrs.2910
http://hdl.handle.net/11147/4987
ISSN: 0377-0486
1097-4555
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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