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HomeKeywordsEXAFS

Keywords: EXAFS

Decomposition of Methanol Catalyzed by Cu-ZnO@C

Hong C.-I., Kang H.Y., Chang F-C, Paul Wang H., National Cheng Kung University, TW
Decomposition of methanol (DM) to CO and H2 can be catalyzed by Cu-ZnO@C core-shell nanoreactors. It is found that reactivity of DM catalyzed by the nanoreactors increase with an increase in the fractions of ZnO [...]

Rechargeable Nanofluid Electrodes for High Energy Density Flow Battery

Timofeeva E.V., Katsoudas J.P., Segre C.U., Singh D., Argonne National Laboratory, US
Nanomaterial suspensions in liquids (nanofluids) are the new expanding area in nanotechnology, with applications as wide as biomedical, lubrication, thermal management, energy generation, energy conversion, and energy storage. Variety and unique characteristics of nanomaterials allow [...]

Decomposition of Methanol Catalyzed by Cu-ZnO@C

Hong C.-I., Kang H.Y., Chang F-C, Paul Wang H., National Cheng Kung University, TW
Decomposition of methanol (DM) to CO and H2 can be catalyzed by Cu-ZnO@C core-shell nanoreactors. It is found that reactivity of DM catalyzed by the nanoreactors increase with an increase in the fractions of ZnO [...]

Rechargeable Nanofluid Electrodes for High Energy Density Flow Battery

Timofeeva E.V., Katsoudas J.P., Segre C.U., Singh D., Argonne National Laboratory, US
Nanomaterial suspensions in liquids (nanofluids) are the new expanding area in nanotechnology, with applications as wide as biomedical, lubrication, thermal management, energy generation, energy conversion, and energy storage. Variety and unique characteristics of nanomaterials allow [...]

Preparation of size-controllable (Cu-ZnO)@C core- and yolk-shell nanoparticles

Hong C.-I., Kang H.Y., Chang F-C, Wang H.P., National Cheng Kung University, TW
Size-controllable Cu-ZnO@C core-shell nanoparticles having diameters of 7-20 nm were prepared by carbonization of Cu2+- and Zn2+-CD (Cu-to-Zn ratio=0.1-1) at 343-573 K for 2 hrs. By XRD, the major compounds in the Cu-ZnO@C core-shell nanoparticles [...]

Design of In-situ Electrochemical Cells for XAS Experiments

Katsoudas J.P., Timofeeva E.V., Segre C.U., Illinois Institute of Technology Material Collaborative Access Team, US
The high demand for better performing battery electrodes and fuel cell catalysts has pushed the direction of experimental design for in situ electrochemical (EC) cells towards non invasive experimental techniques such as x-ray absorption spectroscopy [...]

High-temperature Desulfurization with Nanosize ZnO

Wang H.P., Wang T.C., Kang H.Y., Wang H.P., Wang T.C., Jou J.G., Wei J.L., National Cheng Kung University, TW
Thermal efficiencies of an integrated gasification combined cycle (IGCC) process can be enhanced with high-temperature desulfurization. Nanosize, sub-nano (clusters) and atomic-dispersed ZnO has been prepared for the high-temperature desulfurization. An enhanced absorbance of the nanosize [...]

High-temperature Desulfurization with Nanosize ZnO

Wang H.P., Wang T.C., Kang H.Y., Wang H.P., Wang T.C., Jou J.G., Wei J.L., National Cheng Kung University, TW
Thermal efficiencies of an integrated gasification combined cycle (IGCC) process can be enhanced with high-temperature desulfurization. Nanosize, sub-nano (clusters) and atomic-dispersed ZnO has been prepared for the high-temperature desulfurization. An enhanced absorbance of the nanosize [...]

Chemical structure of ZnO nanorod array on a DSSC photoanode

Chang Y-H, Liao C-Y, Wang H.P., Wei Y-L, Fukushima Y., Guo T-F, Chiang Y-F, National Cheng Kung University, TW
The main objective of the present work was to study speciation of ZnO nanorods and the photoexcited electron transfer between photosensitive dyes and the ZnO nanorod arrays (Fig. 1) on the photoanode of a dye-sensitized [...]

Mesoporous TiO2 hollow spheres on a DSSC photoanode

Liao C-Y, Wang H.P., Lin H-P, National Cheng Kung University, TW
To enhance solar energy efficiency of a dye-sensitized solar cell (DSSC), high crystallinity mesoporous TiO2 hollow spheres (MHS-TiO2) have been coated on the photoanode. The MHS-TiO2 was prepared by calcination of the Ti(OBu)4 coated mesoporous [...]

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