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Growth and characterization of a nonlinear optical material L-serinium picrate monohydrate for optoelectronic applications

A. VICHITHRA1, P. VASUDEVAN1,* , E. VISWANATHAN2, D. JAYARAMAN3

Affiliation

  1. Department of Physics, Rajalakshmi Engineering College, Thandalam, Tamil Nadu, Chennai-602105, India
  2. Institute of Applied Nuclear Magnetic Resonance Research, Transzend Institute of Nuclear Magnetic Resonance, Transzend Scientific Pvt. Ltd, Electronic City, Bengaluru 560100, Karnataka, India
  3. Department of Physics, Presidency College, Chennai-600 005, Tamil Nadu, India

Abstract

L-serinium picrate monohydrate (LSPM) is an efficient nonlinear optical material with higher SHG efficiency, molecular flexibility, less lattice strain, thermal stability, high transparency and a reasonable optical band gap. Hence, the present work focuses on the growth and characterization of the LSPM single crystal. Single crystals of LSPM were successfully grown by slow evaporation technique. The grown crystal was subjected to XRD, FTIR, Optical absorption, Photoluminescence and thermal studies to understand the structural, lattice strain, optical and thermal properties of the material, and to correlate them with the NLO response. The grown crystal is found to possess a monoclinic system with non-centrosymmetric space group P2₁. Finally, the Kurtz-Perry powder technique was carried out to confirm the SHG efficiency of the material required for device fabrication.

Keywords

Slow evaporation technique, XRD study, FTIR Analysis, Optical absorption study, SHG.

Citation

A. VICHITHRA, P. VASUDEVAN, E. VISWANATHAN, D. JAYARAMAN, Growth and characterization of a nonlinear optical material L-serinium picrate monohydrate for optoelectronic applications, Optoelectronics and Advanced Materials - Rapid Communications, 20, 3-4, March-April 2026, pp.113-119 (2026).

Submitted at: Nov. 6, 2025

Accepted at: April 8, 2026