(中南大學 冶金科學與工程學院， 長沙 410083)
摘 要: 在充分回收含錫陽極泥有價金屬的基礎上， 采用從錫銻二次資源中直接提取的高純氯錫酸銨和氯氧銻為原料， 合成了性能優(yōu)良的納米級銻摻雜二氧化錫(ATO)粉。 針對液相共沉淀法制備ATO的過程中， 錫和銻的水解不同步從而未能實現(xiàn)真正共沉淀摻雜的問題，以(NH4)2SnCl6和Sb4O5Cl2為原料， 采用配合-共沉淀法， 考察了反應過程中的pH、 反應溫度、 摻銻濃度、 煅燒溫度、前驅體洗滌次數(shù)和分散劑種類等對ATO粒度和形貌的影響， 確定了最優(yōu)化條件， 即： 滴定終點pH=3， 反應溫度60 ℃， 銻摻雜濃度10％（質量分數(shù)），熱處理溫度600 ℃，前驅體洗滌次數(shù)為6次， 采用分散劑c， 并進行了實驗驗證。
關鍵字: 銻摻雜二氧化錫； 配合-共沉淀； 納米粉體
（ School of Metallurgical Science and Technology,
Central South University, Changsha 410083, China）
Abstract: Based on the fully reclaiming of the valuable metal, pure (NH4)2SnCl6 and Sb4O5Cl2 were directly extracted form tin anode slurry, by using Sb4O5Cl2 and (NH4)2SnCl6 as precusors, fine antimony doped tin oxide(ATO) powder with excerllent performance was prepared by complex-co-precipitation, which can resolve some traditional problems when preparing ATO powder, such as conglomeration; limited material, expen sive cost and, etc. Especially, this method can make Sn4+ and Sb3+ hydrolyze at the same speed and get more even doped tin oxide. The optimal experimental condition is as: terminal pH value, reactive temperature 60 ℃, Sb doped concentration is 10%, heat treating temperature is 600 ℃, wash time is 6, and using dispersant c.
Key words: complex-co-precipitation; antimony doped tin oxide; nano-powders
