Supercritical carbon dioxide method for preparing cadmium sulfide nanoparticles

The invention discloses a supercritical carbon dioxide method for preparing cadmium sulfide nanoparticles. The method uses cadmium acetate, sodium sulfide and reduced glutathione as raw materials to synthesize cadmium sulfide nanoparticles in water solution under supercritical carbon dioxide conditi...

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Hauptverfasser:	SHUAI ZHENHUA, XU XIN, WANG JUN, WU JIANSHENG, YANG FAN, HU DONG, YAN SHANCHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY PERFORMING OPERATIONS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a supercritical carbon dioxide method for preparing cadmium sulfide nanoparticles. The method uses cadmium acetate, sodium sulfide and reduced glutathione as raw materials to synthesize cadmium sulfide nanoparticles in water solution under supercritical carbon dioxide conditions, wherein the reaction temperature is 45-75 DEG C, the pressure is 100-150 bar, and reaction time is 90-150min. The reduced glutathione is not only used as a template but also can close lateral growth of cadmium sulfide nanoparticles. The process is simple, low-cost and environment-friendly, the obtained product has uniform particle size, good crystallization and high stability, and has the wide and important application prospect in the fields of photocatalytic hydrogen production and photocatalytic decomposition of organic matters.