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All Journal The Journal of Pure and Applied Chemistry Research Jurnal Elektronika dan Telekomunikasi
Natalita Maulani Nursam
Indonesian Institute of Sciences
Chemical Engineering, Chemistry & Bioengineering Chemistry Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Medicine & Pharmacology

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Journal : The Journal of Pure and Applied Chemistry Research

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Synthesis and Modification of Macroporous Titania using Silver Nanoparticles Natalita Maulani Nursam; Jeannie Ziang Yie Tan
The Journal of Pure and Applied Chemistry Research Vol 7, No 3 (2018): Edition September-December 2018
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (909.813 KB) | DOI: 10.21776/ub.jpacr.2018.007.03.406

Abstract

A synthesis method for preparing macroporous nitrogen and silver-modified titania via sol-gel route is presented. The addition of nitrogen and silver nanoparticles was carried out simultaneously with a hard templating technique using silica spheres packed into a three dimensional opal structure. The influence of such modifications on the optical and chemical properties of titania was evaluated using photocatalytic degradation under visible light. The macroporous opal templated samples in this work performed better than the commercial titania, Degussa P25. The highest photocatalytic enhancement, showing more than eight times higher activity than the non-modified titania, was achieved by the opal templated sample prepared with 1.0 mol % of silver. Although silver addition and macroporous templating enhanced the visible light activity, the most significant improvement was afforded by the utilization of the silica opal template that gave rise to high surface area (>100 m2 g-1) and promoted the surface charge interaction.
Co-Authors Ade Istiqomah Erlyta Septa Rosa Jeannie Ziang Yie Tan Jojo Hidayat Putri Nur Anggraini Rico Fernado Sinaga Shobih - Shobih Shobih