以PAA为分散剂制备高固相含量纳米ITO水基浆料,研究了pH值、分散剂用量、固相含量对浆料流变性能的影响.结果表明:PAA对改善纳米ITO粉体的表面电动特性有显著作用,PAA的加入使粉体Zeta电位从-16mV降到-38 mV；高固相含量的浆料均呈现出明显的剪切变稀行为；浆料粘度随固相含量增加而急剧增大；最佳的PAA用量及pH值范围分别为0.06 mg/m2和10～11.55wt％固相含量的浆料在150 s-1剪切速率下粘度为0.38 Pa·s,以此为原料采用胶态成型技术制备出微观结构均匀的ITO陶瓷素坯.
参考文献
| [1] | 江锡顺,万东升,宋学萍,孙兆奇.退火温度对ITO薄膜微结构和光电特性的影响[J].人工晶体学报,2011(06):1536-1540,1556. |
| [2] | 聚合物太阳电池ITO电极的光刻制备[J].人工晶体学报,2012(06):1549-1553,1560. |
| [3] | Cho, SH;Park, JH;Lee, SC;Cho, WS;Lee, JH;Yon, HH;Song, PK .Effects of O-2 addition on microstructure and electrical property for ITO films deposited with several kinds of ITO targets[J].The journal of physics and chemistry of solids,2008(5/6):1334-1337. |
| [4] | 朱归胜,徐华蕊.高密度氧化铟锡（ITO）靶材的制备研究[J].云南大学学报（自然科学版）,2007(06):601-606. |
| [5] | LIU Chen,LIU Jiaxiang,WANG Yue.Preparation of indium tin oxide targets with a high density and single phase structure by normal pressure sintering process[J].稀有金属(英文版),2011(02):126-130. |
| [6] | Kim SM;Lee JH;Kim JJ .Reaction-sintering behavior of nanocrystalline indium tin oxide with varying SnO2 content and particle size[J].Scripta materialia,2007(4):293-296. |
| [7] | Lu K;Kessler C .Colloidal dispersion and rheology study of nanoparticles[J].Journal of Materials Science,2006(17):5613-5618. |
| [8] | R. Moreno .Colloidal processing of ceramics and composites[J].Advances in Applied Ceramics,2012(5/6):246-253. |
| [9] | 朱协彬,段学臣,陈海清.MC对ITO水相浆料的稳定作用及其分散机理[J].中南大学学报（自然科学版）,2007(04):612-616. |
| [10] | Cho, YS;Kim, HM;Hong, JJ;Yi, GR;Jang, SH;Yang, SM .Dispersion stabilization of conductive transparent oxide nanoparticles[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2009(1/3):88-98. |
| [11] | Tseng WJ;Tzeng F .Effect of ammonium polyacrylate on dispersion and rheology of aqueous ITO nanoparticle colloids[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2006(1/3):34-39. |
| [12] | Sun JK;Velamakanni BV;Gerberich WW;Francis LF .Aqueous latex/ceramic nanoparticle dispersions: colloidal stability and coating properties[J].Journal of Colloid and Interface Science,2004(2):387-399. |
| [13] | Kwadwo A. Appiagyei;Gary L. Messing;John Q. Dumm .Aqueous slip casting of transparent yttrium aluminum garnet (YAG) ceramics[J].Ceramics International,2008(5):1309-1313. |
| [14] | 刘阳桥,高濂.亚微米Al2O3浆料的流变性优化研究[J].无机材料学报,2003(06):1199-1204. |
| [15] | 王浚,高濂.高固含量Y-TZP悬浮液的流变学特性[J].无机材料学报,1999(04):651. |
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