By using the combination of solvothermal and microemulsion methods, hierarchical cobalt nanorods with 70 nm width and 39 mm length have been prepared under mild conditions. The nanorods are composed of a bundle of 20 ...By using the combination of solvothermal and microemulsion methods, hierarchical cobalt nanorods with 70 nm width and 39 mm length have been prepared under mild conditions. The nanorods are composed of a bundle of 20 nm wide whiskers, which are composed of spherical nanoparticles(\{5 nm\}). It is suggested that the co-operation of the reduction of Co 2+ and the transition from spherical \{micelles\} into hexagonal rod-like micelles lead to the formation of the nanostructured cobalt filaments.展开更多
Nano-sphere-like Eu3+ activated lanthanum oxysulfide phosphor was first synthesized directly by solvothermal method. The phosphor was characterized by XRD, TEM and PL. Photoluminescence spectra indicate that this phos...Nano-sphere-like Eu3+ activated lanthanum oxysulfide phosphor was first synthesized directly by solvothermal method. The phosphor was characterized by XRD, TEM and PL. Photoluminescence spectra indicate that this phosphor showed three typical transitions of Eu3+(()5D0→()7F1, ()5D0→()7F2, (()5D0→()7F4).) In comparison with those prepared by high temperature solid state method, photoluminescence spectrum of Eu3+(()5D0→()7F2)-doped nano-La2O2S∶Eu3+ phosphor became broader. And the reaction mechanism was also mentioned in this paper.展开更多
AlPO-11 molecular sieve with AEL structure was ionothermally synthesized using ionic liquid solvent as medium. The effects of ionic liquid amount, synthesis time and temperature were investigated. The structure and ch...AlPO-11 molecular sieve with AEL structure was ionothermally synthesized using ionic liquid solvent as medium. The effects of ionic liquid amount, synthesis time and temperature were investigated. The structure and characteristics of molecular sieve samples were characterized by X-ray diffraction(XRD),scanning electron microscopy (SEM), thermo gravimetric analysis(TGA). The results indicate that AlPO-11 molecular sieve could be synthesized by 1-ethyl-3-methylimidazolium bromide ([Emim]Br) ionic liquid as both the solvent and template.展开更多
文摘By using the combination of solvothermal and microemulsion methods, hierarchical cobalt nanorods with 70 nm width and 39 mm length have been prepared under mild conditions. The nanorods are composed of a bundle of 20 nm wide whiskers, which are composed of spherical nanoparticles(\{5 nm\}). It is suggested that the co-operation of the reduction of Co 2+ and the transition from spherical \{micelles\} into hexagonal rod-like micelles lead to the formation of the nanostructured cobalt filaments.
文摘Nano-sphere-like Eu3+ activated lanthanum oxysulfide phosphor was first synthesized directly by solvothermal method. The phosphor was characterized by XRD, TEM and PL. Photoluminescence spectra indicate that this phosphor showed three typical transitions of Eu3+(()5D0→()7F1, ()5D0→()7F2, (()5D0→()7F4).) In comparison with those prepared by high temperature solid state method, photoluminescence spectrum of Eu3+(()5D0→()7F2)-doped nano-La2O2S∶Eu3+ phosphor became broader. And the reaction mechanism was also mentioned in this paper.
文摘AlPO-11 molecular sieve with AEL structure was ionothermally synthesized using ionic liquid solvent as medium. The effects of ionic liquid amount, synthesis time and temperature were investigated. The structure and characteristics of molecular sieve samples were characterized by X-ray diffraction(XRD),scanning electron microscopy (SEM), thermo gravimetric analysis(TGA). The results indicate that AlPO-11 molecular sieve could be synthesized by 1-ethyl-3-methylimidazolium bromide ([Emim]Br) ionic liquid as both the solvent and template.