用原位掺杂法制备了Pt/SnO2花状纳米结构.通过控制反应源物中n(Pt4+)/n(Sn4+)比率,可以获得不同Pt掺杂量的复合纳米结构.采用SEM、XRD、TEM和Raman光谱对样品的形貌、结构等进行了分析,并测试了材料的NH3气体敏感性能.结果表明,Pt掺杂的SnO2纳米花大小约为2μm,由平均直径为180nm,长度约为500nm的纳米棒组成;掺杂后SnO2的拉曼振动峰有了较大的偏移,并出现了新峰148cm-1,这可能与Pt掺杂造成的晶格畸变有关;由Pt/SnO2纳米材料制得的气敏元件在300℃时对2.00×10-4的NH3的灵敏度可达80.
参考文献
[1] | 徐红燕,李梅,刘秀琳,孙海燕,王成建,崔得良,蒋民华.水热处理对SnO2厚膜气敏传感器性能的影响[J].功能材料,2005(09):1415-1417. |
[2] | Xu XX;Zhuang J;Wang X .SnO2 quantum dots and quantum wires: Controllable synthesis, self-assembled 2D architectures, and gas-sensing properties[J].Journal of the American Chemical Society,2008(37):12527-12535. |
[3] | Gubbala S;Chakrapani V;Kumar V et al.[J].Advanced Functional Materials,2008,18:2411-2418. |
[4] | He Y S;Campbell J C;Murphy R C et al.[J].Journal of Materials Research,1993,8:3131-3134. |
[5] | Jiang L H;Sun G Q;Zhou Z H et al.[J].Journal of Physical Chemistry B,2005,109:8774-8778. |
[6] | Park M S;Wang G X;Kang Y M et al.[J].Angewandte Chemie International Edition,2007,46:750-753. |
[7] | Juttukonda V;Paddock R L;Raymond J E et al.[J].Journal of the American Chemical Society,2006,128:420-421. |
[8] | Kuang Q;Lao CS;Wang ZL;Xie ZX;Zheng LS .High-sensitivity humidity sensor based on a single SnO2 nanowire[J].Journal of the American Chemical Society,2007(19):6070-6071. |
[9] | Xi, GC;Ye, JH .Ultrathin SnO2 Nanorods: Template- and Surfactant-Free Solution Phase Synthesis, Growth Mechanism, Optical, Gas-Sensing, and Surface Adsorption Properties[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2010(5):2302-2309. |
[10] | Yang H X;Qian J F;Chen X P et al.[J].Journal of Physical Chemistry C,2007,111:14067-14071. |
[11] | Jiang LY;Wu X L;Guo Y G et al.[J].Journal of Physical Chemistry C,2009,113:14213-14219. |
[12] | Wang Y F;Lei B X;Hou Y F et al.[J].Inorganic Chemistry,2010,49:1679-1686. |
[13] | Tischner A;Kock A;Maier T .[J].Microelectronic Engineering,2010,87:1467-1470. |
[14] | Senju R;Somnath C R;Bhatnagar M C .[J].Sensors and Actuators B: Chemical,2007,122:204-210. |
[15] | 张天舒;曾字平;沈瑜生 等.[J].功能材料,1996,27(04):347-349. |
[16] | Anil D;Garje;Rohini C et al.[J].Journal of Materials Science:Materials in Electronics,2008,19:547-552. |
[17] | Ling TR;Tsai CM .Influence of nano-scale dopants of Pt, CaO and SiO2, on the alcohol sensing of SnO2 thin films[J].Sensors and Actuators, B. Chemical,2006(2):497-503. |
[18] | Shen Y B;Toshinari Y;Liu Z F et al.[J].Journal of Alloys and Compounds,2009,488:121-125. |
[19] | Ryzhikov AS;Shatokhin AN;Putilin FN;Rurayantseva MN;Gaskov AM;Labeau M .Hydrogen sensitivity of SnO2 thin films doped with Pt by laser ablation[J].Sensors and Actuators, B. Chemical,2005(1):387-391. |
[20] | 白振华,潘国峰,孙以材,张效玮.掺Pt的SnO2薄膜气敏特性研究[J].传感器世界,2008(03):14-17,24. |
[21] | Morazzoni F;Canevali C;Chiodini N et al.[J].Chemistry of Materials,2001,13:4355-4361. |
[22] | 李青山,张金朝,宋鹂,苑树强,王俊.锑掺杂浓度对二氧化锡纳米微粉的影响[J].无机材料学报,2002(06):1283-1288. |
[23] | Zhou JX;Zhang MS;Hong JM;Yin Z .Raman spectroscopic and photoluminescence study of single-crystalline SnO2 nanowires[J].Solid State Communications,2006(5):242-246. |
[24] | 熊永红;熊曹水;朱弘 等.[J].中国科学A辑,1997,27(10):936-940. |
[25] | Cheng G;Wu K;Zhao PT;Cheng Y;He XL;Huang KX .Solvothermal controlled growth of Zn-doped SnO2 branched nanorod clusters[J].Journal of Crystal Growth,2007(1):53-59. |
[26] | Yu KN.;Liu YL.;Xiong CS.;Xiong YH. .MICROSTRUCTURAL CHANGE OF NANO-SNO2 GRAIN ASSEMBLAGES WITH THE ANNEALING, TEMPERATURE[J].Physical Review.B.Condensed Matter,1997(4):2666-2671. |
[27] | 曾文,林志东,张宏,艾华.TiO2基气敏元件工作温度影响机理[J].功能材料与器件学报,2008(06):1044-1048. |
[28] | Rajecv K;Srivastava;Lal P et al.[J].Sensors and Actuators B: Chemical,1994,21:213-218. |
[29] | Hisao O;Hirokazu S;Takahashi M et al.[J].Sensors and Actuators B: Chemical,1993,14:677-678. |
[30] | Kong L B;Shen Y S .[J].Sensors and Actuators B: Chemical,1996,30:217-221. |
[31] | Lupan;Shishiyanu S;Chow L et al.[J].THIN SOLID FILMS,2008,516:3338-3345. |
[32] | Wang, YD;Mu, QY;Wang, GF;Zhou, ZL .Sensing characterization to NH3 of nanocrystalline Sb-doped SnO2 synthesized by a nonaqueous sol-gel route[J].Sensors and Actuators, B. Chemical,2010(2):847-853. |
[33] | Ramgir NS;Hwang YK;Jhung SH;Mulla IS;Chang JS .Effect of Pt concentration on the physicochemical properties and CO sensing activity of mesostructured SnO2[J].Sensors and Actuators, B. Chemical,2006(1):275-282. |
[34] | Garje A D;Aiyer R C .[J].Journal of Materials Science:Materials in Electronics,2008,19:1547-1552. |
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