Nanosize CdS semiconductor particles were synthesized using the solvothermal technique. The structure was characterized by means of XRD,TEM and ED techniques. PANI film was prepared by electro-chemistry method onto th...Nanosize CdS semiconductor particles were synthesized using the solvothermal technique. The structure was characterized by means of XRD,TEM and ED techniques. PANI film was prepared by electro-chemistry method onto the indium-tin oxide glass. The nanoparticles were doped on PANI film by the dipping process, and the self-assembled nanoparticles-PANI composite film was acquired. The photoelectric properties of the self-assembled film were studied by PL and Z-scan method.展开更多
The precursore Zn（en）2S （en=ethylenediamine） were prepared via a solvothermal process from elemental sulfur and zinc using ethylenediamine as a solvent. Detailed characterizations of the infrared （IR） absorption...The precursore Zn（en）2S （en=ethylenediamine） were prepared via a solvothermal process from elemental sulfur and zinc using ethylenediamine as a solvent. Detailed characterizations of the infrared （IR） absorption spectrum, powder X-ray diffraction （XRD） and thermogravimetric analysis （TG） confirmed two en coordinated with Zn2+ to form a complex cation. The morphological property was also characterized by transmission electron microscopy （TEM ） and electron diffraction analysis （ED）. Phase-pure hexagonal wurtzite ZnS products were obtained by annealing the precursor in nitrogen stream at about 900 ℃. Zn（en）2S showed a nanosize of about 30 nm, and ZnS of about 60 nm. The fluorescence spectra were also studied. PL results showed that Zn（en）2S excited a fluorescence at 452 nm.展开更多
文摘Nanosize CdS semiconductor particles were synthesized using the solvothermal technique. The structure was characterized by means of XRD,TEM and ED techniques. PANI film was prepared by electro-chemistry method onto the indium-tin oxide glass. The nanoparticles were doped on PANI film by the dipping process, and the self-assembled nanoparticles-PANI composite film was acquired. The photoelectric properties of the self-assembled film were studied by PL and Z-scan method.
文摘The precursore Zn（en）2S （en=ethylenediamine） were prepared via a solvothermal process from elemental sulfur and zinc using ethylenediamine as a solvent. Detailed characterizations of the infrared （IR） absorption spectrum, powder X-ray diffraction （XRD） and thermogravimetric analysis （TG） confirmed two en coordinated with Zn2+ to form a complex cation. The morphological property was also characterized by transmission electron microscopy （TEM ） and electron diffraction analysis （ED）. Phase-pure hexagonal wurtzite ZnS products were obtained by annealing the precursor in nitrogen stream at about 900 ℃. Zn（en）2S showed a nanosize of about 30 nm, and ZnS of about 60 nm. The fluorescence spectra were also studied. PL results showed that Zn（en）2S excited a fluorescence at 452 nm.
