Direct synthesis of layered luminosilicate by using nonylphenol as a template for versatile application

Abstract

Facile synthesis of layered aluminosilicate with low Si/Al ratio routed through sol-gel process using nonylphenol as a templating agent in acidic medium. Synthesised materials were characterized systematically by the following techniques like small angle XRD, FTIR, 27Al MAS NMR, N2 adsorption, to explore the structural and textural properties. Further, the characterization results helped to understand the influence of Si/Al ratio onstructural characteristics of layered aluminosilicate. The SAXRD, TEM, N2adsorption profiles confirmed that the aluminosilicate had layered mesoscopic, ordered platelets, mostly with AlO4 -building linkages with high thermal stability. The material was found to be a promising material as ammonia gas sensing application. The complex impedance spectrum of the aluminosilicate materials showed semicircle with reduction in the diameter as the concentration of ammonia increased. The aluminosilicate with Si/Al ratio10 showed higher sensitivity towards ammonia. newline