1、 第一作者等：正標(biāo)題 5 論文模板附件一：中文模板附件二：英文模板附件一： 稿號(hào)：（請(qǐng)?jiān)谛薷母逯凶⒚鞲逄?hào)）ITO納米棒的制備及其表征*基金項(xiàng)目：國(guó)家杰出青年科學(xué)基金資助項(xiàng)目（50725416）（項(xiàng)目要有編號(hào)） 收到初稿日期：2008-11-20 （請(qǐng)?jiān)谛薷母逯凶⒚鳎?通訊作者：黃伯云 作者簡(jiǎn)介：朱協(xié)彬(1964)，男，安徽濉溪人，博士，師承黃伯云教授，從事納米復(fù)合氧化物研究。朱協(xié)彬，姜 濤，邱冠周，黃伯云(中南大學(xué) 資源加工與生物工程學(xué)院，湖南 長(zhǎng)沙 410083)摘 要： 利用化學(xué)共沉淀法，在InCl3和SnCl4混和溶液中添加PEG-1000，并滴加濃度為25%氨水,制備了ITO前驅(qū)體,在

2、溫度700鍛燒3h后得到ITO納米棒。利用SEM、XRD、TEM-EDS和傅立葉紅外光譜儀分別對(duì)ITO納米棒的形貌和尺寸、結(jié)構(gòu)關(guān)鍵詞： ITO納米棒；聚乙二醇-1000；共沉淀法；制備中圖分類號(hào)：TB332（不超過(guò)3個(gè)） 文獻(xiàn)標(biāo)識(shí)碼：A1 引 言納米材料的性能不僅取決于其化學(xué)成分，還與其粒子的結(jié)構(gòu)和形貌密切相關(guān)。絕大多數(shù)納米材料的結(jié)構(gòu)和形貌直接決定其應(yīng)用性能，因此納米材料的結(jié)構(gòu)和形貌控制研究成為當(dāng)前材料科學(xué)研究的前沿和熱點(diǎn)之一1-7 。目前低維和準(zhǔn)一維結(jié)構(gòu)的ITO納米顆粒，如納米球形8，納米針狀9，納米線10 納米棒10-12，和納米管13，引起了人們的極大重視。通常制備ITO顆粒的方法有共沉

3、淀法8,10,12,14-15 ，氣-液-固(VLS)法16， 溶膠凝膠法 11， 水熱合成法17 、噴霧燃燒法18,19和微乳法 20。特別是共沉淀法制備的產(chǎn)品純度高和均一性好，粒度細(xì)，成分可控，且有可以控制物性和顆粒形貌。通過(guò)添加表面活性劑，如聚乙二醇，也能影響顆粒形貌的變化。Chen 等21 用聚乙二醇為表面活性劑，使用氧化沉淀法成功合成了Fe3O4 納米棒。在本研究工作中，主要是利用添加表面活性劑PEG-1000，利用化學(xué)共沉淀法制備ITO前驅(qū)體，最終獲得ITO納米棒，并進(jìn)行形貌和結(jié)構(gòu)等表征及其機(jī)理分析。制備的ITO納米棒有望在用于制備納米ITO涂料方面提高其隔熱性能，有待做進(jìn)一步研究

4、。2 試 驗(yàn)21 ITO納米棒的制備2.1.1 試驗(yàn)試劑按照m(In2O3)/m(SnO2)9配制1mol/L的InCl3溶液和相應(yīng)比例的SnCl4溶液并混和，其中SnCl4溶液由結(jié)晶SnCl4·5H2O溶于一定量的蒸餾水中配制而成。取上述100ml混和溶液，加熱并保持溫度為70，此時(shí)加入1g的表面活性劑PEG-1000，充分?jǐn)嚢璩汕辶恋娜闋钜?，滴加濃度?5%氨水進(jìn)行水解，產(chǎn)生白色沉淀至pH值為78，繼續(xù)攪拌1h并陳化2h；用蒸餾水對(duì)沉淀物進(jìn).22樣品的性能及表征ITO納米棒的形貌的分析用日本日立公司S-4800高分辨場(chǎng)發(fā)射掃描電鏡，其能譜分析用Philips公司TecnalG2

5、20型透射電子顯微鏡，在乙醇介質(zhì)中超聲分散20分鐘后，在銅網(wǎng)碳膜上進(jìn)行測(cè)定分析。樣品物象和結(jié)構(gòu)分析采用北科大儀器廠XD98型X射線衍射儀，CuK輻射，波長(zhǎng)為1.54056×10-4m分析。FT-IR 光譜由美國(guó)Nicolet傅立葉紅外（FT-IR）光譜儀（Nexus）分析測(cè)定。3 結(jié)果與討論3.1表面形貌表征及其機(jī)理分析如圖1所示為ITO納米棒在煅燒溫度700下不同時(shí)間的SEM圖像，從中觀察可知ITO納米棒平均直徑約為300nm， 長(zhǎng)度可達(dá)3000nm，長(zhǎng)徑比可達(dá)10，且具有比較好的分散性。隨著煅燒時(shí)間的延長(zhǎng)，ITO納米棒的形貌不變，尺寸變化不大。這是因?yàn)镻EG-1000即聚乙二醇是

6、非離子型表面活性劑22，其分子式為H-(O-CH2-CH2)n-OH，其中的橋氧原子-O-親水，CH2-CH2-親油。文獻(xiàn)23報(bào)道，在通常（圖表題必須要有中、英文對(duì)照）表1 ITO納米棒化學(xué)成分表Table 1 Element composition of ITO nanorods化學(xué)成分（翻譯成中文） %（翻譯成中文）W(O)1W(In)W(Sn)W(In)/W(Sn)18.284 結(jié) 論利用化學(xué)共沉淀法，在InCl3和SnCl4混和溶液中添加PEG-1000，并滴加濃度為25%氨水,制備了ITO納米棒，具有立方鐵錳礦結(jié)構(gòu)，且具有純度高和分散性好等特點(diǎn)，平均直徑約為300

7、nm， 長(zhǎng)度可達(dá)3000nm，長(zhǎng)徑比約達(dá)10。隨著煅燒時(shí)間的延長(zhǎng)，ITO納米棒形貌不變，對(duì)尺寸影響不大。參考文獻(xiàn)：（文后參考文獻(xiàn)表編排格式，盡量使用英文參考文獻(xiàn)）為使功能材料的參考文獻(xiàn)著錄更加規(guī)范，功能材料將嚴(yán)格按照國(guó)家標(biāo)準(zhǔn)（GB7714）規(guī)定執(zhí)行，特此告之。為方便作者，以下對(duì)作者經(jīng)常著錄的參考文獻(xiàn)進(jìn)行舉例。請(qǐng)作者對(duì)照?qǐng)?zhí)行。如果作者有其它問(wèn)題，請(qǐng)自己查閱國(guó)家標(biāo)準(zhǔn)（GB7714）。舉例：1專著 用M表示規(guī)則：主要責(zé)任者.文獻(xiàn)題名M.出版地：出版者，出版年.起止頁(yè)碼.舉例：汪 冰.圖書館理論與實(shí)踐研究M.北京:北京圖書館出版社，1997.15-18.2期刊文章 用J表示規(guī)則：主要責(zé)任者.文獻(xiàn)題名J

8、.刊名，年，卷（期）：起止頁(yè)碼.舉例：陶仁驥，張曉明.密碼學(xué)與數(shù)學(xué)J.自然雜志，1984,7(7):527-530.3論文集中的文獻(xiàn) 用A C表示規(guī)則：主要責(zé)任者.文獻(xiàn)題名A. 原主要責(zé)任者（任選）.原文獻(xiàn)題名C.出版地：出版者，出版年.析出文獻(xiàn)起止頁(yè)碼.舉例： 鐘文發(fā).非線性規(guī)劃可燃物毒物配置的應(yīng)用A.趙偉.運(yùn)籌學(xué)的理論與應(yīng)用中國(guó)運(yùn)籌學(xué)會(huì)第五屆大會(huì)論文集C.西安：西安電子科技大學(xué)出版社，1996.468-471.4學(xué)位論文 用D表示規(guī)則：主要責(zé)任者.文獻(xiàn)題名D.出版地：出版者，出版年. 起止頁(yè)碼（任選）.舉例：張志祥.間斷動(dòng)力系統(tǒng)的隨機(jī)擾動(dòng)及其在守恒律方程中的應(yīng)用D.北京:北京大學(xué)數(shù)學(xué)學(xué)院，

9、1998.5報(bào)告 用R表示規(guī)則：主要責(zé)任者.文獻(xiàn)題名R.出版地：出版者，出版年.起止頁(yè)碼（任選）.舉例：馮西橋.核反應(yīng)堆壓力管道與壓力容器的關(guān)系R.北京.清華大學(xué)核能技術(shù)研究院，19976專利 用P表示規(guī)則：專利所有者.專利題名P.專利國(guó)別：專利號(hào)，出版日期.舉例：姜錫洲.一種溫?zé)嵬夥笏幹苽浞桨窹.中國(guó)專利：88105607,1989-07-26.特別注意（以期刊為例）：1英文參考文獻(xiàn)著錄方法與中文參考文獻(xiàn)著錄方法相同. 例如：Nagamatsu J, Nakagwa N, Muranaka T, et al. Superconductivity at 39K in magnesium dib

10、oride J. Nature, 2001, 410(8): 63-64.2.中文參考文獻(xiàn)請(qǐng)同時(shí)用英文和中文書寫。例如：Guo Qiaohui，Zhou Xiaoping，Wang Suqin. Heat-resistant polyimide electrical conductive compositesJPolym Mater Sci Eng,2009，25(2)：52 (in Chinese)郭喬輝，周小平，王素琴.耐高溫聚酰亞胺導(dǎo)電復(fù)合材料的性能J高分子材料科學(xué)與工程，2009,25(2):52Synthesis and characterization of ITO nanorod

11、sZHU Xie-bin, JIANG Tao, QIU Guan-zhou, HUANG Bo-yun (School of Minerals Processing & Bioengineering,Central South University, Changsha 410083，China)Abstract: Indium (III) and tin (IV) hydroxides (precursor) were synthesized via a co-precipitation process with additive of PEG-1000 in a water bat

12、h. Nanocrystalline indium tin oxide (ITO) nanorods were obtained upon calcination at temperature of 700 over three hours. The morphology, size , phase structure, EDS and FT-IR spectrum of ITO nanorods were characterized by transmission electron microscopy, X-ray diffraction, TEM-EDS and FT-IR spectr

13、ograph. The formation mechanism of ITO nanorods was discussed. The results show that the diameters of the as-prepeared ITO nanorods are about 300 nm and the lengths reach about 3000nm, and the ratio of length to diameter reaches about 10. The as-prepared samples with cube structure are uniform, well

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