METHOD FOR ENHANCING THE PHOTOCATALYTIC ACTIVITY OF LAYERED DOUBLE HYDROXIDES (LDHS)

Abstract

ABSTRACT A method (100) for enhancing the photocatalytic activity of Layered Double Hydroxides (LDHs). Further, the method comprising modifying the LDH composition by adjusting the ratios of bivalent and trivalent metal cations to optimize electronic properties. Further, the method (100) comprising the steps of introducing anionic species into the interlayer spaces through ion exchange to increase active sites. Further, the method (100) comprising the steps of inducing defects and delamination via thermal treatment to create oxygen vacancies and enhance surface area. Further, the method (100) comprising the steps of utilizing the modified LDHs for the degradation of environmental pollutants under visible light irradiation. <>

Specification

Description:FIELD OF THE DISCLOSURE
[0001] This invention generally relates to the field of photocatalytic materials and in particular relates to a method for enhancing the photocatalytic activity of Layered Double Hydroxides (LDHs) derived from renewable sources, aimed at improving environmental remediation processes while minimizing ecological impact.
BACKGROUND
[0002] The subject matter discussed in the background section should not be assumed to be prior art merely as a result of its mention in the background section. Similarly, a problem mentioned in the background section or associated with the subject matter of the background section should not be assumed to have been previously recognized in the prior art. The subject matter in the background section merely represents different approaches, which in and of themselves may also correspond to implementations of the claimed technology.
[0003] The increasing prevalence of environmental pollutants, including organic contaminants and heavy metals, poses significant ch , Claims:1. A method (100) for enhancing the photocatalytic activity of Layered Double Hydroxides (LDHs) for environmental remediation, the method comprising the steps of:
modifying the LDH composition by adjusting the ratios of bivalent and trivalent metal cations to optimize electronic properties;
introducing anionic species into the interlayer spaces through ion exchange to increase active sites;
inducing defects and delamination via thermal treatment to create oxygen vacancies and enhance surface area; and
utilizing the modified LDHs for the degradation of environmental pollutants under visible light irradiation.

2. The method (100) as claimed in claim 1, wherein the bivalent metal cations are selected from the group consisting of magnesium (Mg²?), calcium (Ca²?), and zinc (Zn²?), and the trivalent metal cations are selected from the group consisting of aluminum (Al³?), iron (Fe³?), and chromium (Cr³?).

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