Ministry of Education
Ayyappan S
VIDWAN ID: 116352

Dr Ayyappan S

Male Master of Science
Assistant Professor | Department of Physics
Government College of Technology
Tamil Nadu
Expertise: Applied Physics
Scopus 55589615400
View older version My Dashboard
12 Publications
0 Projects
367 Scopus Citations
349 CrossRef
18 Years 6 Months Total Experience
Publications
12 Total
Articles
12
Activity

No publication activity to display.

Scopus Scopus
367 Citations
9 h-index
CrossRef CrossRef
349 Citations
9 h-index
Google Scholar Google Scholar

Loading Scholar statistics...

Professional Recognition

No Data Found

There is currently nothing to display here.

Community & Membership

No Data Found

There is currently nothing to display here.

No Data Found

There is currently nothing to display here.

Personal Details

Master of Science
N/A
Assistant Professor
Mar 2008 – Present
Government College of Technology | Department of Physics
Physical Sciences
Applied Physics

Related Profiles

Scholarly Work

No Data Found

There is currently nothing to display here.

No Data Found

There is currently nothing to display here.

No Data Found

There is currently nothing to display here.

Scholarly Publications

Study on conformational stability, molecular structure, vibrational spectra, NBO, TD-DFT, HOMO and LUMO analysis of 3,5-dinitrosalicylic acid by DFT techniques

Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Year: 2015. Volume: 136 , Issue: PB , Pages: 1107-1118 .
Authors: S. Sebastian; S. Sylvestre; J. Jayabharathi; S. Ayyapan; M. Amalanathan; K. Oudayakumar; Ignatius A. Herman
DOI 10.1016/j.saa.2014.09.135 Crossref Crossref: 44 Scopus Scopus: 49

Vibrational spectra, molecular structure, natural bond orbital, first order hyperpolarizability, TD-DFT and thermodynamic analysis of 4-amino-3-hydroxy-1- naphthalenesulfonic acid by DFT approach

Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Year: 2013. Volume: 107 , Pages: 167-178 .
Authors: S. Sebastian; S. Sylvestre; N. Sundaraganesan; M. Amalanathan; S. Ayyapan; K. Oudayakumar; B. Karthikeyan
DOI 10.1016/j.saa.2013.01.041 Crossref Crossref: 35 Scopus Scopus: 35

The spectroscopic (FT-IR, FT-Raman, UV) and first order hyperpolarizability, HOMO and LUMO analysis of 3-aminobenzophenone by density functional method

Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Year: 2012. Volume: 92 , Pages: 365-376 .
Authors: M. Karabacak; M. Kurt; M. Cinar; S. Ayyappan; S. Sudha; N. Sundaraganesan
DOI 10.1016/j.saa.2012.02.067 Crossref Crossref: 28 Scopus Scopus: 32

Molecular structure, vibrational spectra and DFT molecular orbital calculations (TD-DFT and NMR) of the antiproliferative drug Methotrexate

Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Year: 2010. Volume: 77 , Issue: 1 , Pages: 264-275 .
Authors: S. Ayyappan; N. Sundaraganesan; V. Aroulmoji; E. Murano; S. Sebastian
DOI 10.1016/j.saa.2010.05.021 Crossref Crossref: 63 Scopus Scopus: 68

Molecular structure, vibrational spectroscopic studies and NBO analysis of the 3,5-dichlorophenylboronic acid molecule by the density functional method

Journal Article
JOURNAL OF RAMAN SPECTROSCOPY. Year: 2010. Volume: 41 , Issue: 10 , Pages: 1379-1387 .
Authors: S. Ayyappan; N. Sundaraganesan; M. Kurt; T. R. Sertbakan; M. Özduran
DOI 10.1002/jrs.2576 Crossref Crossref: 30 Scopus Scopus: 28

FTIR, FT-Raman spectra and ab initio, DFT vibrational analysis of 2,4-dinitrophenylhydrazine

Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Year: 2007. Volume: 66 , Issue: 1 , Pages: 17-27 .
Authors: N. Sundaraganesan; S. Ayyappan; H. Umamaheswari; B. Dominic Joshua
DOI 10.1016/j.saa.2006.02.015 Crossref Crossref: 97 Scopus Scopus: 103

Vibrational spectra (FT-IR and FT-Raman), molecular structure, natural bond orbital, and TD-DFT analysis of l-Asparagine Monohydrate by Density Functional Theory approach

Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Year: 2014. Volume: 133 , Pages: 190-200 .
Authors: S. Sylvestre; S. Sebastian; S. Edwin; M. Amalanathan; S. Ayyapan; T. Jayavarthanan; K. Oudayakumar; S. Solomon
DOI 10.1016/j.saa.2014.05.040 Crossref Crossref: 25 Scopus Scopus: 22

Strategic bandgap tuning of WO3 nanoparticles for superior visible-light-driven photocatalytic degradation for water purification: an effect of Y3+doping

Journal Article
Research on Chemical Intermediates. Year: 2025. Volume: 51 , Issue: 9 , Pages: 5245-5267 .
Authors: V. Gokila; S. Ayyappan; P. Muthukrishnan; T. Brindha; Jovitha Jane David
DOI 10.1007/s11164-025-05675-5 Crossref Crossref: 2 Scopus Scopus: 3
Showing 1 to 8 of 12 publications