工程科学学报，第37卷，第11期：1485-1490,2015年11月 Chinese Journal of Engineering,Vol.37,No.11:1485-1490,November 2015 D0l:10.13374/j.issn2095-9389.2015.11.014:http://journals..ustb.edu.cn 纤锌矿Z在油-水界面处的室温制备及光催化性能 梁小红四，赵轩，邱国飞，贾晓明 太原理工大学材料科学与工程学院，太原030024 ☒通信作者，E-mai:xhliangl983@163.com 摘要通过控制疏化锌室温成核反应在油一水液一液界面处进行，并采用羟基端基自组装分子层修饰的聚合物膜作为柔性 衬底，最终在村底表面制得硫化锌纳米晶膜.X射线衍射表征显示产物为高温稳定的纤锌矿结构.扫描电镜和透射电镜观察 发现硫化锌膜由粒径30~50m的颗粒构成.产物对甲基橙的光催化降解研究证实在紫外光辅助下硫化锌纳米晶膜对有机 物的降解能力.鉴于上述结果，提出了一种结合油一水液一液界面及自组装分子层功能化的衬底，在室温且无添加剂条件下一 步制备高温稳定相ZS功能膜的方法，并分析了产物形貌与光催化性能间的关系. 关键词硫化锌：纳米晶：薄膜：纤锌矿结构：制备：光催化 分类号0164.241：0643.36 Room-temperature synthesis of wurtzite ZnS at the oil-water interface and its photocatalytic performance LIANG Xiao-hong,ZHAO Xuan,OIU Guo-fei,JIA Xiao-ming College of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,China Corresponding author,E-mail:xhliang1983@163.com ABSTRACT Room-temperature synthesis of ZnS was controlled at the oil-water liquid-liquid interface.Combining with polymer films which were modified by hydroxyl-terminated self-assembled monolayers (SAMs)as flexible substrates,nanocrystalline ZnS films were fabricated on the substrates.X-ray diffraction analysis indicates that the ZnS films have a hexagonal wurtzite structure,which is the high-temperature polymorph of sphalerite.Scanning electron microscopy and transmission electron microscopy observations show that the ZnS films consist of nanoparticles with the diameter of 30-50 nm.Photocatalytic degradation of methyl orange by these prod- ucts under UVlight irradiation was observed,which confirmed the photocatalytic degradation ability of the nanocrystalline ZnS films to organics.In view of the results,a facile one-step method,combining the oil-water interface with the SAMs-modified substrate,was proposed for fabricating the wurtzite ZnS functional films without any additive at room temperature.The relationship between photocata- lytic performance and the morphology of the products was also discussed. KEY WORDS zinc sulfide:nanocrystals;thin films:wurtzite structure:synthesis;photocatalysis 作为拥有最高禁带能级(E,)的Ⅱ一Ⅵ族半导体材能-，基于其优良的性能及巨大的应用潜力，纳米硫 料，硫化锌具有显著的光电学性能，而且化学稳定性较 化锌的研究得到了越来越多人的重视-可.纳米硫化 好，不易被氧化和水解，是一种重要的宽禁带半导体材锌作为一种半导体光催化材料，具有氧化还原能力强 料.纳米硫化锌更具有许多结构依赖的独特光电效 的特点，可在紫外光激发条件下发生光催化反应而降 应，在电学、光学、催化等领域呈现出许多优异的性 解有毒有机污染物.大量的研究已经证实纳米硫化锌 收稿日期：2014-07-22 基金项目：山西省基础研究计划资助项目(20130210131)：太原理工大学校青年基金资助项目(2012L008)工程科学学报，第 37 卷，第 11 期: 1485--1490，2015 年 11 月 Chinese Journal of Engineering，Vol． 37，No． 11: 1485--1490，November 2015 DOI: 10． 13374 /j． issn2095--9389． 2015． 11． 014; http: / /journals． ustb． edu． cn 纤锌矿 ZnS 在油--水界面处的室温制备及光催化性能 梁小红，赵 轩，邱国飞，贾晓明 太原理工大学材料科学与工程学院，太原 030024  通信作者，E-mail: xhliang1983@ 163． com 摘 要 通过控制硫化锌室温成核反应在油--水液--液界面处进行，并采用羟基端基自组装分子层修饰的聚合物膜作为柔性 衬底，最终在衬底表面制得硫化锌纳米晶膜． X 射线衍射表征显示产物为高温稳定的纤锌矿结构． 扫描电镜和透射电镜观察 发现硫化锌膜由粒径 30 ～ 50 nm 的颗粒构成． 产物对甲基橙的光催化降解研究证实在紫外光辅助下硫化锌纳米晶膜对有机 物的降解能力． 鉴于上述结果，提出了一种结合油--水液--液界面及自组装分子层功能化的衬底，在室温且无添加剂条件下一 步制备高温稳定相 ZnS 功能膜的方法，并分析了产物形貌与光催化性能间的关系． 关键词 硫化锌; 纳米晶; 薄膜; 纤锌矿结构; 制备; 光催化 分类号 O164. 24 + 1; O643. 36 Ｒoom-temperature synthesis of wurtzite ZnS at the oil--water interface and its photocatalytic performance LIANG Xiao-hong ，ZHAO Xuan，QIU Guo-fei，JIA Xiao-ming College of Materials Science and Engineering，Taiyuan University of Technology，Taiyuan 030024，China  Corresponding author，E-mail: xhliang1983@ 163． com ABSTＲACT Ｒoom-temperature synthesis of ZnS was controlled at the oil--water liquid--liquid interface． Combining with polymer films which were modified by hydroxyl-terminated self-assembled monolayers ( SAMs) as flexible substrates，nanocrystalline ZnS films were fabricated on the substrates． X-ray diffraction analysis indicates that the ZnS films have a hexagonal wurtzite structure，which is the high-temperature polymorph of sphalerite． Scanning electron microscopy and transmission electron microscopy observations show that the ZnS films consist of nanoparticles with the diameter of 30 － 50 nm． Photocatalytic degradation of methyl orange by these prod￾ucts under UV-light irradiation was observed，which confirmed the photocatalytic degradation ability of the nanocrystalline ZnS films to organics． In view of the results，a facile one-step method，combining the oil--water interface with the SAMs-modified substrate，was proposed for fabricating the wurtzite ZnS functional films without any additive at room temperature． The relationship between photocata￾lytic performance and the morphology of the products was also discussed． KEY WOＲDS zinc sulfide; nanocrystals; thin films; wurtzite structure; synthesis; photocatalysis 收稿日期: 2014--07--22 基金项目: 山西省基础研究计划资助项目( 2013021013-1) ; 太原理工大学校青年基金资助项目( 2012L008) 作为拥有最高禁带能级( Eg ) 的Ⅱ--Ⅵ族半导体材 料，硫化锌具有显著的光电学性能，而且化学稳定性较 好，不易被氧化和水解，是一种重要的宽禁带半导体材 料． 纳米硫化锌更具有许多结构依赖的独特光电效 应，在电学、光学、催化等领域呈现出许多优异的性 能［1--3］，基于其优良的性能及巨大的应用潜力，纳米硫 化锌的研究得到了越来越多人的重视［4--7］． 纳米硫化 锌作为一种半导体光催化材料，具有氧化还原能力强 的特点，可在紫外光激发条件下发生光催化反应而降 解有毒有机污染物． 大量的研究已经证实纳米硫化锌