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Standard molar enthalpy of formation of uniform CdMoO_4 nano-octahedra

Standard molar enthalpy of formation of uniform CdMoO_4 nano-octahedra
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摘要 Controllable synthesis of uniform and single-crystalline CdMoO4 nano-octahedra has been successfully realized at large-scale by a facile reverse-microemulsion route at room temperature. The structures, compositions and morphologies of the as-prepared products were characterized in detail by X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM), respectively. According to the thermochemical cycle, the relationship between the standard molar enthalpy of formation of nano-CdMoO4 and bulk CdMoO4 was proposed for the first time. In combination with micro-calorimetry, the standard molar enthalpies of formation at 298.15 K of as-ynthesized CdMoO4 nano-octahedra were ob-tained. Controllable synthesis of uniform and single-crystalline CdMoO4 nano-octahedra has been successfully realized at large-scale by a facile reverse-microemulsion route at room temperature. The structures, compositions and morphologies of the as-prepared products were characterized in detail by X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM), respectively. According to the thermochemical cycle, the relationship between the standard molar enthalpy of formation of nano-CdMoO4 and bulk CdMoO4 was proposed for the first time. In combination with micro-calorimetry, the standard molar enthalpies of formation at 298.15 K of as-ynthesized CdMoO4 nano-octahedra were ob- tained.
出处 《Chinese Science Bulletin》 SCIE EI CAS 2013年第26期3208-3212,共5页
基金 supported by the National Natural Science Foundation of China (20963001, 21273050) Guangxi Natural Science Foundation(0991001z)
关键词 标准摩尔生成焓 八面体 纳米 场发射扫描电子显微镜 X-射线粉末衍射 透射电子显微镜 FE-SEM 反向微乳液 CdMoO4 nano-octahedra, granularity effect, microcalorimetry, standard molar enthalpy of formation, thermodynamicpotential function method
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