# Reaction-kinetics of organo-clay hybrid films: in-situ IRRAS and AFM studies

Source: [Reaction-kinetics of organo-clay hybrid films: in-situ IRRAS and AFM studies](<https://www.sota2.com/research/paper/68fa2a691e209131ce83d271>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-28T13:53:09.551Z

Authors: Syed Arshad Hussain, Md N. Islam, D. Bhattacharjee

Published: 2011-06-18T15:36:36.000Z

## Abstract

In this paper we have reported the reaction kinetics of nano dimensional clay saponite and hectorite with an amphiphilic cation octadecyl rhodamine B (RhB) in hybrid Langmuir monolayer at the air-water interface. The surface pressure-molecular area (pi-A) isotherms were strongly influenced by the presence of clay with the lift-off area of the cationic amphiphile shifted to progressively larger area. In-situ infrared reflection absorption spectroscopy (IRRAS) was used to demonstrate the reaction kinetics. Time taken to complete the reaction kinetics for RhB-hectorite hybrid films is larger than RhB-saponite hybrid films. Atomic force microscopic images of hybrid Langmuir-Blodgett films give compelling visual evidence of the incorporation of clay platelets into the hybrid films and density of which increases with the progress of reaction kinetics.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/1106.3660>)

[PDF](<https://arxiv.org/pdf/1106.3660.pdf>)