第36卷第7期 北京科技大学学报 Vol.36 No.7 2014年7月 Journal of University of Science and Technology Beijing Jul.2014 垂直沉积法组装二元聚苯乙烯胶粒晶体 王晓冬”，仪桂云”四，赵裴娜”，孙正林，焦玲》，曹建亮”，孙广”， 孟哈日巴拉”，张战营) 1)河南理工大学材料科学与工程学院，焦作4540002)中国人民解放军防空兵学院，郑州450052 3)铁道警官高等专科学校，郑州450052 ☒通信作者，E-mail:yyun@hpu.cdu.cn 摘要采用垂直沉积法组装了二元聚苯乙烯胶粒晶体，研究了两种聚苯乙烯胶体微球的粒径比、质量比、温度和分散介质 中乙二醇含量等因素对二元聚苯乙烯胶粒晶体组装花样的影响.粒径比>4.45、质量比≥74：26是形成面心立方二元聚苯乙 烯胶粒晶体的必要条件.组装温度为60℃，分散介质中乙二醇质量分数为6%时，可得到更高质量的二元聚苯乙烯胶体晶体. 胶体微球二元垂直沉积机理研究表明：两种聚苯乙烯胶体微球是同时在基片的表面进行组装的：胶体微球在介质中的布朗运 动、沉降速率及其在基片表面的组装速率三者之间匹配越好，所得二元聚苯乙烯胶粒晶体质量越高。 关键词胶粒晶体：晶体生长：自组装：聚苯乙烯：微球：垂直沉积 分类号0648.1 Fabrication of polystyrene binary colloidal crystals by vertical deposition WANG Xiao-dong,YI Gui-yun,ZHAO Pei-na,SUN Zheng-in?,JIAO Ling,CAO Jian-iang",SUN Guang, HARI Ba--la”',ZHANG Zhan-ying” 1)School of Materials Science and Engineering,Henan Polytechnie University,Jiaozuo 454000,China 2)PLA Air Defence College,Zhengzhou 450052,China 3)Railway Police College,Zhengzhou 450052,China Corresponding author,E-mail:ygyun@hpu.edu.cn ABSTRACT Binary colloidal crystals were fabricated by a vertical deposition method with two sub-micrometer size polystyrene (PS) microspheres.The self-assembled pattems of binary colloidal crystals (bCCs)were investigated by varying the size ratio,the mass ratio of PS microspheres,the temperature and content of ethylene glycol in water.It is found that PS binary colloidal crystals with face-cen- tered cube (fec)arrangement can be obtained while the size ratio is more than 4.45 and the mass ratio is not less that 74:26.High- quality PS binary colloidal crystals are easily generated at the temperature of 60C and the mass fraction of ethylene glycol in dispersing medium of 6%.The study also shows that self-assembly of two PS microspheres on the substrate surface is operated at the same time, and in this regard the vertical deposition method has a great deal of difference from other methods.In addition,PS binary colloidal crystals have a higher quality with the increase of matching between Brownian motion,sedimentation rate of PS colloidal microspheres in water,and self-assembly rate on the substrate surface KEY WORDS colloidal crystals:crystal growth:self assembly:polystyrene:microspheres:vertical deposition 在过去十几年中，由单分散胶体微球自组装而 隙材料、光电器件和生物芯片传感器-1.随着研 成的二维或三维胶体晶体逐渐引起了人们的兴趣， 究深入，胶粒晶体的研究逐渐区分为一元、二元和三 因为它在许多领域都有着潜在的应用，比如光子带 元等类型，近年来特别是二元胶粒晶体(binary col-- 收稿日期：201304-19 基金项目：国家自然科学基金资助项目(1172065,60877028)：河南省博士后科研项目(2013038)：河南省教有厅自然科学研究计划资助项目 (2011B150011,2010B430013):河南省高校科技创新团队支持计划资助项目(2012 RTS THN007) DOI:10.13374/j.issn1001-053x.2014.07.013;http://journals.ustb.edu.cn第 36 卷 第 7 期 2014 年 7 月 北京科技大学学报 Journal of University of Science and Technology Beijing Vol． 36 No． 7 Jul． 2014 垂直沉积法组装二元聚苯乙烯胶粒晶体 王晓冬1) ，仪桂云1) ，赵裴娜1) ，孙正林2) ，焦 玲3) ，曹建亮1) ，孙 广1) ， 孟哈日巴拉1) ，张战营1) 1) 河南理工大学材料科学与工程学院，焦作 454000 2) 中国人民解放军防空兵学院，郑州 450052 3) 铁道警官高等专科学校，郑州 450052  通信作者，E-mail: ygyun@ hpu． edu． cn 摘 要 采用垂直沉积法组装了二元聚苯乙烯胶粒晶体，研究了两种聚苯乙烯胶体微球的粒径比、质量比、温度和分散介质 中乙二醇含量等因素对二元聚苯乙烯胶粒晶体组装花样的影响． 粒径比 ＞ 4. 45、质量比≥74∶ 26 是形成面心立方二元聚苯乙 烯胶粒晶体的必要条件． 组装温度为 60 ℃，分散介质中乙二醇质量分数为 6% 时，可得到更高质量的二元聚苯乙烯胶体晶体． 胶体微球二元垂直沉积机理研究表明: 两种聚苯乙烯胶体微球是同时在基片的表面进行组装的; 胶体微球在介质中的布朗运 动、沉降速率及其在基片表面的组装速率三者之间匹配越好，所得二元聚苯乙烯胶粒晶体质量越高． 关键词 胶粒晶体; 晶体生长; 自组装; 聚苯乙烯; 微球; 垂直沉积 分类号 O 648. 1 Fabrication of polystyrene binary colloidal crystals by vertical deposition WANG Xiao-dong1) ，YI Gui-yun1)  ，ZHAO Pei-na1) ，SUN Zheng-lin2) ，JIAO Ling3) ，CAO Jian-liang1) ，SUN Guang1) ， HAＲI Ba-la1) ，ZHANG Zhan-ying1) 1) School of Materials Science and Engineering，Henan Polytechnic University，Jiaozuo 454000，China 2) PLA Air Defence College，Zhengzhou 450052，China 3) Ｒailway Police College，Zhengzhou 450052，China  Corresponding author，E-mail: ygyun@ hpu． edu． cn ABSTＲACT Binary colloidal crystals were fabricated by a vertical deposition method with two sub-micrometer size polystyrene ( PS) microspheres． The self-assembled patterns of binary colloidal crystals ( bCCs) were investigated by varying the size ratio，the mass ratio of PS microspheres，the temperature and content of ethylene glycol in water． It is found that PS binary colloidal crystals with face-cen￾tered cube ( fcc) arrangement can be obtained while the size ratio is more than 4. 45 and the mass ratio is not less that 74∶ 26． High￾quality PS binary colloidal crystals are easily generated at the temperature of 60 ℃ and the mass fraction of ethylene glycol in dispersing medium of 6% ． The study also shows that self-assembly of two PS microspheres on the substrate surface is operated at the same time， and in this regard the vertical deposition method has a great deal of difference from other methods． In addition，PS binary colloidal crystals have a higher quality with the increase of matching between Brownian motion，sedimentation rate of PS colloidal microspheres in water，and self-assembly rate on the substrate surface． KEY WOＲDS colloidal crystals; crystal growth; self assembly; polystyrene; microspheres; vertical deposition 收稿日期: 2013--04--19 基金项目: 国家自然科学基金资助项目( 1172065，60877028) ; 河南省博士后科研项目( 2013038) ; 河南省教育厅自然科学研究计划资助项目 ( 2011B150011，2010B430013) ; 河南省高校科技创新团队支持计划资助项目( 2012IＲTS THN007) DOI: 10． 13374 /j． issn1001--053x． 2014． 07． 013; http: / /journals． ustb． edu． cn 在过去十几年中，由单分散胶体微球自组装而 成的二维或三维胶体晶体逐渐引起了人们的兴趣， 因为它在许多领域都有着潜在的应用，比如光子带 隙材料、光电器件和生物芯片传感器［1 － 5］． 随着研 究深入，胶粒晶体的研究逐渐区分为一元、二元和三 元等类型，近年来特别是二元胶粒晶体( binary col-