ZnO hierarchical nanostructures grown at room temperature and their C2H5OH sensor applications

被引：60

作者：

Kim, Kang-Min ^{[1
]}

Kim, Hae-Ryong ^{[1
]}

Choi, Kwon-Il ^{[1
]}

Kim, Hyo-Joong ^{[1
]}

Lee, Jong-Heun ^{[1
]}

机构：

[1] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2011年 / 155卷 / 02期

关键词：

ZnO; Gas sensors; Hierarchical nanostructures; C2H5OH sensors; ZINC-OXIDE FILMS; GAS SENSORS; SENSING PROPERTIES; SNO2; NANOWIRE; NANORODS; NANOFLOWERS; OXYGEN;

D O I：

10.1016/j.snb.2011.01.040

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Highly crystalline ZnO hierarchical nanostructures were prepared at room temperature through the alkaline hydrolysis of zinc salt by the forced mixing of two immiscible solutions: Zn-nitrate aqueous solution and oleic-acid-dissolved n-hexane solution, The oleic acid acted as a surfactant in the room-temperature formation of well-defined ZnO hierarchical nanostructures, which subsequently demonstrated a sensitive and selective detection of C2H5OH. The responses of these hierarchical nanostructures to 10-100 ppm C2H5OH ranged from 15.7 to 177.7, which were 7-9 times higher than those of the agglomerated nanoparticles. (C) 2011 Elsevier BM. All rights reserved.

引用

页码：745 / 751

页数：7

共 47 条

[21] Room temperature solution synthesis of monodispersed single-crystalline ZnO nanorods and derived hierarchical nanostructures [J].

Liu, B ;

Zeng, HC .

LANGMUIR, 2004, 20 (10) :4196-4204

[22] Hydrothermal synthesis of ZnO nanorods in the diameter regime of 50 nm [J].

Liu, B ;

Zeng, HC .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (15) :4430-4431

[23] Low-Temperature Growth of ZnO Nanowire Arrays on p-Silicon (111) for Visible-Light-Emitting Diode Fabrication [J].

Lupan, O. ;

Pauporte, T. ;

Viana, B. .

JOURNAL OF PHYSICAL CHEMISTRY C, 2010, 114 (35) :14781-14785

[24] Selective hydrogen gas nanosensor using individual ZnO nanowire with fast response at room temperature [J].

Lupan, O. ;

Ursaki, V. V. ;

Chai, G. ;

Chow, L. ;

Emelchenko, G. A. ;

Tiginyanu, I. M. ;

Gruzintsev, A. N. ;

Redkin, A. N. .

SENSORS AND ACTUATORS B-CHEMICAL, 2010, 144 (01) :56-66

[25] Highly sensitive and fast responding CO sensor using SnO2 nanosheets [J].

Moon, Chang Sup ;

Kim, Hae-Ryong ;

Auchterlonie, Graeme ;

Drennan, John ;

Lee, Jong-Heun .

SENSORS AND ACTUATORS B-CHEMICAL, 2008, 131 (02) :556-564

[26] Controlling the morphology of ZnO nanostructures in a low-temperature hydrothermal process [J].

Pal, U ;

Santiago, P .

JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (32) :15317-15321

[27] Gas sensing characteristics of polycrystalline SnO2 nanowires prepared by polyol method [J].

Park, Ji-Hye ;

Lee, Jong-Heun .

SENSORS AND ACTUATORS B-CHEMICAL, 2009, 136 (01) :151-157

[28] Ultrathin PbS Sheets by Two-Dimensional Oriented Attachment [J].

Schliehe, Constanze ;

Juarez, Beatriz H. ;

Pelletier, Marie ;

Jander, Sebastian ;

Greshnykh, Denis ;

Nagel, Mona ;

Meyer, Andreas ;

Foerster, Stephan ;

Kornowski, Andreas ;

Klinke, Christian ;

Weller, Horst .

SCIENCE, 2010, 329 (5991) :550-553

[29] Synthesis of zinc oxide nanorods and nanoparticles by chemical route and their comparative study as ethanol sensors [J].

Singh, Ravi Chand ;

Singh, Onkar ;

Singh, Manmeet Pal ;

Chandi, Paramdeep Singh .

SENSORS AND ACTUATORS B-CHEMICAL, 2008, 135 (01) :352-357

[30] Rapid synthesis of ZnO nano-rods by one-step, room-temperature, solid-state reaction and their gas-sensing properties [J].

Sun, Zhi-Peng ;

Liu, Lang ;

Zhang, Li ;

Jia, Dian-Zeng .

NANOTECHNOLOGY, 2006, 17 (09) :2266-2270

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