Photocatalytic Hydrogen Production over Ni/La-NaTaO3 Nanoparticles from NaCl-water Solution in the Presence of Glucose as Electron Donor

  • Husni Husin Department of Chemical Engineering, Syiah Kuala University, Darussalam, 23111, Banda Aceh, Indonesia
  • Komala Pontas Department of Chemical Engineering, Syiah Kuala University, Darussalam, 23111, Banda Aceh, Indonesia
  • Yunardi Yunardi Department of Chemical Engineering, Syiah Kuala University, Darussalam, 23111, Banda Aceh, Indonesia
  • Adi Salamun Department of Chemical Engineering, Syiah Kuala University, Darussalam, 23111, Banda Aceh, Indonesia
  • Pocut Nurul Alam Department of Chemical Engineering, Syiah Kuala University, Darussalam, 23111, Banda Aceh, Indonesia
  • Fikri Hasfita Department of Chemical Engineering, Malikussaleh University, Lhoekseumawe, 24300, Aceh Utara, Indonesia
Keywords: La-doped sodium tantalum oxide, nickel, Photocatalyst, glucose, hydrogen energy

Abstract

Nanoparticles La-NaTaO3 photocatalyst has been synthesized via a sol-gel route. A Ni nanoparticle (NPs) as a cocatalyst is loaded on La-NaTaO3 by a simple impregnation method. The products are characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), a high-resolution transmission electron microscope (HRTEM) and X-ray photoelectron spectroscopy (XPS). X-ray diffraction of the La-NaTaO3 samples shows perovskite-type crystalline orthorhombic structure. Small particulate solids of La-NaTaO3 (30-250 nm) are observed by SEM measurement. The nickel particles are detected from HRTEM images is around 4-8 nm. The hydrogen evolution over La-NaTaO3 with NaCl is much higher than that without NaCl. The photoactivity of La-NaTaO3 is enhanced when Ni is loaded on the surface of La-NaTaO3. The optimum loading amount of nickel is found to be 0.3 wt.% for La-NaTaO3, and it is more effective for H2 production from NaCl-water solution in the presence glucose. It is revealed that the loaded Ni can interact with each other and cooperate on improving the photocatalytic activity. In the case of glucose as an electron donor, the activity of photocatalytic hydrogen generation over Ni/La-NaTaO3 increases dramatically. NaCl and glucose can promote markedly the photocatalytic hydrogen evolution. The Ni/La-NaTaO3 nanoparticles system appears to be a promising candidate, which is very important to practical applications, including the production of H2 from NaCl-water solution in the presence of glucose.

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Published
2017-12-31
How to Cite
Husin, H., Pontas, K., Yunardi, Y., Salamun, A., Alam, P. N., & Hasfita, F. (2017). Photocatalytic Hydrogen Production over Ni/La-NaTaO3 Nanoparticles from NaCl-water Solution in the Presence of Glucose as Electron Donor. ASEAN Journal of Chemical Engineering, 17(2), 27-36. Retrieved from https://dev.journal.ugm.ac.id/v3/AJChE/article/view/8979
Section
Articles