Thermally driven phase transition of cobalt hydroxide sheets <i>via</i> cobalt oxides to cobalt nanoparticles
Aram Yoon, Gyutae Kim, Min-Jeong Lee, Zonghoon Lee, Gyoeng Hee Ryu
Abstract
We investigated phase transitions of Co(OH) 2 nanosheets by in situ scanning transmission electron microscopy heating experiments. The layered Co(OH) 2 transformed to Co nanoparticles via CoO phases; spinel Co 3 O 4 was formed with temperature reduction.
Topics & Concepts
CobaltCobalt hydroxideMaterials scienceSpinelHydroxideTransition metalCobalt oxideNanoparticleStoichiometryPhase transitionCrystal structureValence (chemistry)Transmission electron microscopyOxideCrystallographyPhase (matter)Inorganic chemistryMetalCatalysisNanotechnologyChemistryPhysical chemistryMetallurgyElectrochemistryThermodynamicsElectrodeBiochemistryPhysicsOrganic chemistryAdvancements in Battery MaterialsCopper-based nanomaterials and applicationsElectronic and Structural Properties of Oxides