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the synthesis of the zno-decorated aunps was achieved in a one-pot chemical process where gold salt haucl4 and zinc (ii) acetate were mixed in 1,3-propanediol (c3h8o2 ). the sequential reactions were thermally controlled. au nanoparticles were initially formed by thermal reduction of the au precursor at a moderate temperature. the thermal decomposition of zinc acetate dehydrate (zn(oac)2 .2h2o) onto the surface of the preformed au nanoparticles occurred at a high temperature. the synthesis was carried out in a 100 ml three-neck flask equipped with a condenser, a mechanical stirrer, and a thermograph. 0.038 mmol of haucl4 ·3h2o (purchased from aldrich) were mixed with 0.17 mmol of zinc acetate dehydrate [(zn(oac)2 .2h2o), aldrich, ar grade] in 50 ml of 1,3-propanediol (acros organics, 98%) with vigorous stirring. first, the mixture was slowly heated to 150°c and kept at that temperature for 10 min, then heated to 160°c and kept at this temperature for 1 h. a violet homogeneous colloidal suspension was obtained. after cooling down to room temperature, the product was separated by centrifugation, washed several times with ethanol/acetone (2:1) and re-dispersed in ethanol. after the centrifugation, the supernatant solution became clear and colorless, indicating that not au nps were present in the solution
تم تحقيق تخليق aunps المزخرفة بـ zno في عملية كيميائية في وعاء واحد حيث تم خلط ملح الذهب haucl4 وخلات الزنك (ii) في 1،3 بروبانيديول (c3h8o2 ). تم التحكم في التفاعلات المتتالية حراريًا. تم تشكيل الجسيمات النانوية au في البداية عن طريق الاختزال الحراري للسلائف au عند درجة حرارة معتدلة. التحلل الحراري لأسيتات الزنك المجففة (zn(oac)2 .2h2o) على سطح الجسيمات النانوية au مسبقة التشكيل حدث عند درجة حرارة عالية. التوليف كان ج