Photocatalytically active zinc oxide microstructural architecture towards the degradation of some model pollutants

Authors

Ian Harvey J. Arellano ⋅ PH Institute of Chemistry, University of the Philippines Diliman
Leon M. Payawan ⋅ PH Institute of Chemistry, University of the Philippines Diliman
Roland V. Sarmago ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

Immobilized zinc oxide microstructural architecture composed of wires, rods, tubes and tetrapods was synthesized via carbothermal reduction at 900°C in an oxidative muffle furnace which was oven quenched after 15-minute reaction time. These diverse ZnO crystal habits were characterized using field emission scanning electron microscope (FESEM), Xray diffraction (XRD) and photoluminescence (PL). A strong band gap emission was observed corresponding to 3.20 eV with suppressed visible emission indicative of good crystal quality as supported by XRD data showing a wurtzite structure with a = 3.25 Å and c = 5.28 Å. The synthesized architecture was used as an efficient photocatalyst in the degradation of several model pollutants namely, methylene blue (MB), rhodamine B (RB), xylidine (XY) and 2,6-dichlorophenol (DCP).

Downloads

Issue

2007: Proceedings of the 25th Samahang Pisika ng Pilipinas Physics Congress

Article ID

SPP-2007-3D-04

Section

Condensed Matter Physics

Published

2007-10-24

How to Cite

[1]

IHJ Arellano, LM Payawan, and RV Sarmago, Photocatalytically active zinc oxide microstructural architecture towards the degradation of some model pollutants, Proceedings of the Samahang Pisika ng Pilipinas 25, SPP-2007-3D-04 (2007). URL: https://proceedings.spp-online.org/article/view/SPP-2007-3D-04.