Construction of Nanostructured Cobalt Oxide Thin Films

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Results Summary Precursor Salt As Prepared 180°C 500°C 800°C Chloride α Co(OH) 2 Platelets Amorphous Platelets Amorphous Platelets N/A (900°C) Porous platelets Perchlorate α Co(OH) 2 Web Amorphous Web Co 3 O 4 Porous nanostructure Co 3 O 4 Pillar nanostructure Sulfate α Co(OH) 2 Web α Co(OH) 2 Web Amorphous Web Co 3 O 4 Globular microstructure Iodide α Co(OH) 2 Web Co 3 O 4 Web Co 3 O 4 Web Co 3 O 4 Globular Web
Conclusions Both counter ion and annealing temperature determine material properties: • Determines morphology • Crystal orientation • Atomic structure Larger counter ions decrease annealing temperature needed and increases microporosity
Page 1 and 2: Construction of Nanostructured Coba
Page 3 and 4: Cobalt Oxide Background Usually pr
Page 5 and 6: Experimental Methods Synthesize
Page 7 and 8: Characterization Two machines are
Page 9 and 10: X-Ray Data Continued Cobalt chlori
Page 11 and 12: Scanning Electron Microscopy Contr
Page 13: SEM Data Continued Varying morpholo
Page 17 and 18: Reflections I got a taste of what
Page 19 and 20: Construction of Nanostructured Coba
Page 21 and 22: SEM Data Cobalt sulfate precursor
Page 23 and 24: SEM Data Cobalt iodide precursor M
Page 25 and 26: TGA Data Perchlorate Sample
Page 27: TGA Data Iodide Sample

Construction of Nanostructured Cobalt Oxide Thin Films

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