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Browsing by Author "Gunlazuardi, Jarnuzi"

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A Comparative Study of Pt Depositing Methods (Chemical Reduction vs Photo-Assisted Deposition) onto TiO2 Nanoparticles for Hydrogen Photo-Production

Ratnawati, Ratnawati; Slamet, Slamet; Wongso, Viona; Gunlazuardi, Jarnuzi; Ibadurrohman, Muhammad (ITB Institute for Research and Community Services, 2022)

In this paper, we report a comparative study on two methods (chemical reduction and photo-assisted deposition) of incorporating Pt onto TiO2 nanoparticles (TNP) for H2 generation. The phase structure of the photocatalysts was ...
Development of titania nanotube arrays: The roles of water content and annealing atmosphere

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Slamet, Slamet (Elsevier, 2015)

The effect of water content in the electrolyte solution during annealing process in the synthesis and modification of titania nanotube arrays (TNTAs) by anodic oxidation process has been investigated. Variations in ...
Effect of Anodization Time and Temperature on the Morphology of TiO2Nanotube Arrays for Photocatalytic Hydrogen Production from Glycerol Solution

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Slamet, Slamet (Proceeding the Regional Conference on Chemical Engineering, 2014-12-02)

Effect of anodization time and temperature on the morphology of TiO2 nanotube arrays (TNTAs) photocatalyst and its application for H2 production from glycerol-water solution has been investigated.The TNTAs were synthesized ...
Effect of NaBF4 addition on the anodic synthesis of TiO2 nanotube arrays photocatalyst for production of hydrogen from glycerolewater solution

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi (Hydrogen Energy Publications, 2014-09-05)

Addition of NaBF4 during anodic synthesis of TiO2 nanotube arrays (TNTAs) photocatalyst and its application for generating hydrogen from glycerolewater solution has been investigated. The TNTAs were synthesized by anodic ...
Enhanced photocatalytic activity of Pt deposited on titania nanotube arrays for the hydrogen production with glycerol as a sacrificial agent

Slamet, Slamet; Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Dewi, Eniya Listiani (Intenational Journal of Hydrogen Energy, 2017-07-26)

Photocatalytic activity of Pt-loaded TiO2 nanotube arrays (Pt-TNTA) in the presence of glycerol as a sacrificial agent to produce H2 has been studied. The effects of Pt loading and the methods by which it is deposited ...
Photocatalytic Decomposition of Glycerol Solution on TiO2 Nanotube Arrays (TNTA) doped with C and N to Produce Hydrogen

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Slamet, Slamet (Trans Tech Publications, 2017)

Carbon and Nitrogen-doped TNTA were synthesized by in-situ anodic oxidation of Ti using glycerol containing NH4F followed by annealing with 20% H2/Argon at 500 oC. Variation water content in the electrolyte solution (25 ...
Synthesis of TiO2 Nanotube Arrays by Sonication Aided Anodization and Its Application for Hydrogen Generation from Aqueous Glycerol Solution

Ratnawati, Ratnawati; Gunlazuardi, Jarnuzi; Slamet, Slamet (EDP Sciences, 2015)

The sonication aided anodization in the TiO2 Nanotube Arrays (TNTA) formation and its performance for photocatalytic hydrogen generation from glycerol–water solution (10 v%) has been examined. TNTA were prepared by ...

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