Thu Dau Mot University Journal of Science


IMPROVEMENT IN PHOTOCATALYTIC ACTIVITY NOx USING N-TiO2 PHOTOCATALYTIC MATERIALS UNDER VISIBLE LIGHT

By Le Thi Pho
DOI: 10.37550/tdmu.EJS/2025.01.610

Abstract

Improving and exploring the photocatalytic performance of composites for new models continues to pose a challenge. Here, a straightforward thermal dispersion method is achieved by incorporating nitrogen (N) into TiO2 at different weights (1%, 3%, and 5%) to enhance photocatalytic activity. The material properties are analyzed through ultraviolet-visible diffuse reflectance spectroscopy (UV-VIS DRS), and X-ray diffraction (XRD). The results indicate that the NO gas removal efficiency of N-TiO2 photocatalytic materials is higher than that of pure TiO2 after 30 minutes of exposure to visible light. The highest NO gas treatment efficiency of N-TiO2 -1% is 40.4%, with a reaction rate following a first-order kinetic equation of 0.0688 min-1. Successfully fabricating N-TiO2 photocatalytic materials using the thermal dispersion method, with significantly enhanced photocatalytic performance under visible light activation, will benefit practical applications, particularly in the environmental sector.


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Publication Information

Publisher

Thu Dau Mot University, Viet Nam

Honorary Editor-in-Chief

Assoc. Prof. Nguyen Van Hiep

Editorial Board

Assoc. Prof. Le Tuan Anh
Thu Dau Mot University
PhD. Nguyen Quoc Cuong
Thu Dau Mot University

PhD. Doan Ngoc Xuan
Thu Dau Mot University
PhD. Nguyen Khoa Truong An
Thu Dau Mot University

Assoc. Prof. Nguyen Thanh Binh
Thu Dau Mot University
PhD. Le Thi Thuy Dung
Thu Dau Mot University

PhD. Ngo Hong Diep
Thu Dau Mot University
PhD. Nguyen Duc Dat Duc
Ho Chi Minh City University of Industry and Trade

Assoc. Prof. Nguyen Van Duc
Animal Husbandry Association of Vietnam
PhD. Nguyen Thi Nhat Hang
Department of Education and Training of Binh Duong Province

PhD. Nguyen Thi Cam Le
Vietnam Aviation Academy
PhD. Trần Hạnh Minh Phương
Thu Dau Mot University

M.A. Pham Van Thinh
Thu Dau Mot University
PhD. Nguyen Thi Lien Thuong
Thu Dau Mot University

Prof. Le Quang Tri
Can Tho University
Prof. Banh Quoc Tuan
Thu Dau Mot University