Dataset for comparative study on photocatalytic activity of transition metals (Ag and Ni doped ZnO) nanomaterials synthesised via sol-gel method

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published 122 2 410 document 122 ZnAgO_7%_400C-bet.xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet 549f52fa66c084b44dee9c33b1d048eb MD5 22643 2023-09-05 01:59:33 http://data.uitm.edu.my/id/eprint/15/23/ZnAgO_7%25_400C-bet.xlsx 15 23 23 application/vnd.openxmlformats-officedocument.spreadsheetml.sheet spreadsheet en public cc_by_nc_nd_4

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published 133 2 432 document 133 ZnO_400.xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet 674f8663526e827aecf60350c2d1dcaa MD5 51976 2023-09-05 02:02:09 http://data.uitm.edu.my/id/eprint/15/34/ZnO_400.xlsx 15 34 34 application/vnd.openxmlformats-officedocument.spreadsheetml.sheet spreadsheet en public cc_by_nc_nd_4

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published archive 2 disk0/00/00/00/15 2023-09-15 04:10:20 2024-08-28 09:00:55 2023-09-15 04:10:20 dataset show Kasim Muhd Firdaus 0000-0003-3217-1413 Darman Ahmad Khairul Azfar , Ibrahim Mohd Lokman 0000-0003-3096-2991 Ahmad Rafaie Hartini 0000-0003-4644-7695 Mastuli Mohd Sufri 0000-0002-0409-8987 Dataset for comparative study on photocatalytic activity of transition metals (Ag and Ni doped ZnO) nanomaterials synthesised via sol-gel method pub applied_sciences fsg Doped ZnO, Sol-gel, methyl orange, TPD-CO2 Ag and Ni/ZnO photocatalyst nanostructures were successfully synthesized by a sol-gel method. In this work, the photocatalyst sample was systematically studied based on several factors affecting the performance of photocatalyst which are size, morphology, band gap, textural properties and the number of active sites presence on the surface of the nanocatalyst. X-ray Diffraction (XRD) revealed that Ag/ZnO nanomaterials experienced multiple phases, meanwhile for Ni/ZnO the phase of nanomaterials were pure and single phase for stochiometry less than 5%. Field emission scanning electron microscope (FESEM) showed almost all of the synthesised nanomaterials possessed a mixture of nanorods and spherical-like shape morphology. The Ag/ZnO showed high photocatalytic activity, producing at least 14th trials of nanocatalyst reusability on the degradation of Methyl Orange under UV irradiation. Interestingly this phenomenon was not observed in larger surface area of Ni/ZnO nanomaterials which supposedly favour photocatalytic activity, but instead producing poor photocatalytic performance. The main reason were studied and exposed by temperature-programmed desorption of carbon dioxide (TPD–CO2) which showed that incorporation of Ag into ZnO lattice has enhanced the number of active sites on the surface of the nanocatalyst. Whereas incorporation of Ni in ZnO has lowered the number of active sites with respect to undoped ZnO. Active sites measurement is effective and significant, providing opportunities in developing an intensive study as an additional factor. 2020-02-06 published Universiti Teknologi MARA https://zenodo.org 10.5061/dryad.djh9w0vvs public energy