Recent Study on Novel Layered Zn-Y Hydroxide and their UV Properties by Intercalation of Organic Aliphatic and Aromatic UV-Absorbent Molecules

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Recent Study on Novel Layered Zn-Y Hydroxide and their UV Properties by Intercalation of Organic Aliphatic and Aromatic UV-Absorbent Molecules

June 26, 2021 Chemistry and Biochemistry 0

The layered Zn-Y hydroxides were synthesized with succinate, adipate, sebacate, and benzoate as interlayer anions with the goal of combining organic molecules with inorganic structures to create hybrid materials that combine the benefits of both components in one material. The structures were classified using analytical techniques such as PXRD, FTIR, and TGA. The optical properties of these samples were tested using UV-visible and PL spectroscopic techniques. Although the monolayer structure of succinate, adipate, and sebacate inside the interlayer could be deduced from their PXRD patterns and FTIR spectra, tilted bilayers of benzoate were discovered in the interlayer between Zn-Y. hydroxides. The interlayer separation of the intercalated samples increased linearly with the number of – CH2 groups, n, in the dicarboxylate aliphatic chain. Intercalated samples outperformed acetate intercalated samples in terms of thermal stability. In addition to the -* transitions from carboxylates, surface defects of the Zn-Y hydroxide system were observed as luminescence emission in the visible region of the spectrum. The presence of organic anions in the inorganic interlayer has also been demonstrated using UV-visible and PL spectroscopic techniques.

Author (S) Details

Dr. Pinki Chakraborty
School of Basic & Applied Sciences, Galgotias University, Greater Noida, India.

Dr. Poonam Singh
Department of Applied Chemistry, Delhi Technological University, India.

Jyoti Singh
School of Basic & Applied Sciences, Galgotias University, Greater Noida, India.

Achala Tripathi
School of Basic & Applied Sciences, Galgotias University, Greater Noida, India.

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