Sivasubramani, V. and George, Jesby and Pandian, M. Senthil and Ramasamy, P. and Pounraj, P. and Maurya, K. K. and Sajan, D. (2018) Directional growth, physicochemical and quantum chemical investigations on pyridinium 2-carboxylate: 4-nitrophenol (P2C4N) single crystal for nonlinear optical (NLO) applications. New Journal of Chemistry, 42 (6). pp. 4261-4277. ISSN 1144-0546

Sasikala, V. and Sajan, D. and Vijayan, N. and Chaitanya, K. and Raj, M. S. Babu and Joy, B. H. Selin (2014) Growth, molecular structure, NBO analysis and vibrational spectral analysis of L-tartaric acid single crystal. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 123. pp. 127-141. ISSN 1386-1425

Alen, S. and Sajan, D. and Vijayan, N. and Chaitanya, K. and Nemec, Ivan and Jothy, V. Bena (2013) Growth, electronic absorption and vibrational spectral analysis of semiorganic nonlinear optical material potassium acid phthalate: A scaled quantum mechanical force field study. Journal of Molecular Structure, 1040. pp. 155-163. ISSN 0022-2860

Sajan, D. and Vijayan, N. and Safakath, K. and Philip, Reji and Karabacak, M. (2013) Multi-photon absorption effect and intra-molecular charge transfer of donor-pi-acceptor chromophore ethyl p-amino benzoate. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 108. pp. 197-210. ISSN 1386-1425

Suthan, T. and Rajesh, N. P. and Mahadevan, C.K. and Sajan, D. and Bhagavannarayana, G. (2011) Growth and characterization of organic material 2-hydroxypyridine single crystal by modified vertical Bridgman technique. Materials Chemistry and Physics, 130 (3). pp. 915-920. ISSN 0254-0584

Sajan, D. and Vijayan, N. (2010) Electronic absorption, vibrational spectra and nonlinear optical properties of N-(2 chlorophenyl)-1-propanamide. Solid State Sciences, 13 (1). pp. 175-184. ISSN 1293-2558