Preparation of different thin film catalysts by direct current magnetron sputtering for hydrogen generation
In this study, thin films of Co, Ni, Pd, and Pt were prepared on Co3O4 support material in pellet form using the direct current (DC) magnetron sputtering method for use as catalysts for hydrogen generation from NaBH4.Characterization of the catalysts was carried out using X-ray diffraction (XRD), scanning electronic microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). According to cross-sectional SEM images, catalyst thicknesses were observed in the range of approximately 115.3-495.8 nm. The particle sizes were approximately 25.0, 21.4, 33.9, and 9.5 nm for Ni-Co3O4, Co-Co3O4, Pd-Co3O4, and Pt-Co3O4 catalysts, respectively. The increase in NaOH initial concentration provides an increase in the rate of hydrogen generation for Co, Ni, and Pd catalysts. A maximum hydrogen generation rate of 1653 mL/g(cat).min was obtained for the Pt-Co3O4 catalyst.
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- ISSN: 1300-0527
- Yayın Aralığı: Yılda 6 Sayı
- Yayıncı: TÜBİTAK
Sayıdaki Diğer Makaleler
Shaya AL RAQA, İpek ÖMEROĞLU, Doğan ERBAHAR, Mahmut DURMUŞ
Arzu UYANIK, Mustafa YILMAZ, Serkan EYMUR, Enis TAŞCI
Selin IŞIK, Abdullahi Garba USMAN, Sani Isah ABBA, Filiz MERİÇLİ
Vijay KOTRA, Ravi VARALA, Hari Babu BOLLIKOLLA, Gollapudi RAVI KUMAR, Chandra Rao DASIREDDY
Evin Sahin SADİK, Hamdi Melih SARAOGLU, Ilke GUROL, Mehmet Ali EBEOGLU, Fatma Emel KOCAK
Yuni RETNANİNGTYAS, Ganden SUPRİYANTO, Ni NYOMAN TRİ PUSPANİNGSİH, Roedi IRAWAN, Siswandono SİSWODİHARDJO