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Below please find a list of definitions for the term that
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What is Chronic Toxicity

Chapter 19

Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry

Adverse effects due to long term exposure to toxic chemicals.

Published in Chapter:

Photocatalytic Activity of ZnO Nanoparticles on the Degradation of Organic Dyes Under Solar Light

Sivakumar Krishnamoorthy (Department of Chemistry, Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya (Deemed), India) and Dharani M. (Department of Chemistry, Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya (Deemed), India)

Source Title: Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry

DOI: 10.4018/978-1-7998-1241-8.ch019

Abstract

Zinc oxide (ZnO) nanoparticles prepared using simple co-precipitation method are characterized and photocatalytic activity is tested on the degradation of methylene blue and rhodamine B organic pollutants. Morphological and structural properties of synthesized nanomaterial have been characterized using FESEM, EDAX spectroscopy, and XRD, while UV-visible DRS spectroscopy and photoluminescence have been used to understand their optical properties. The photocatalytic behaviour of synthesized nanoparticles was evaluated on the degradation of methylene blue (MB) and rhodamine B (RhB) organic pollutants under solar light irradiation. The highest degradation was achieved for MB (100%) over RhB (96%). Preliminary investigation shows the effective degradation of organic pollutants by ZnO nanoparticles.

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