polypyrrole tin oxide hybrid

polypyrrole tin oxide hybrid

polypyrrole tin oxide hybrid

... organic materials and explore the sensing materials with low operating temperature and good selectivity, organic-inorganic sensing hybrids have been developed[6−7]. Recently, JIANG et al[8−9] reported ... al[13] reported that these types of hybrid materials possess small grain size and high stability in air. But the research of PAn/SnO 2 materials used for detecting VOCs has not been...

Ngày tải lên: 21/03/2014, 12:17

6 129 0
gas - sensing properties of tin oxide doped with metal oxides and carbon

gas - sensing properties of tin oxide doped with metal oxides and carbon

... sensing properties of tin dioxide coated carbon nanotubes, Thin Solid Films 497 (2006) 355–360. [9] L. Zhao, L. Gao, Filling of multi-walled carbon nanotubes with tin( IV) oxide, Letters to the ... B: Chemical journal homepage: www.elsevier.com/locate/snb Gas-sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petr...

Ngày tải lên: 19/03/2014, 16:48

7 528 0
highly reproducible synthesis of very large-scale tin oxide nanowires

highly reproducible synthesis of very large-scale tin oxide nanowires

... Stout, Z.L. Wang, Tin oxide nanowires, nanoribbons, and nanotubes, J. Phys. Chem. B 106 (2002) 1274–1279. [12] S. Kumar, S. Rajaraman, R.A. Gerhardt, Z.L. Wang, P.J. Hesketh, Tin oxide nanosensor ... Chemical journal homepage: www.elsevier.com/locate/snb Highly reproducible synthesis of very large-scale tin oxide nanowires used for screen-printed gas sensor Nguyen Van Hieu ∗ Inter...

Ngày tải lên: 19/03/2014, 16:48

7 629 0
studies on tin oxide-intercalated polyaniline nanocomposite for ammonia gas

studies on tin oxide-intercalated polyaniline nanocomposite for ammonia gas

... case. This is characteristic property of oxides, indi- cating the presence of tin oxide. Fig. 6. AFM images for (a) tin oxide, (b) polyaniline and (c) tin oxide/ polyaniline nanocomposites. 3.6. ... amorphous phase (Fig. 4b). In case of tin oxide/ PANI nanocomposites films (Fig. 4c), Fig. 4. FESEM micrographs for (a) tin oxide, (b) polyaniline and (c) tin oxide/ polyaniline...

Ngày tải lên: 20/03/2014, 13:08

9 436 0
synthesis and high gas sensitivity of tin oxide nanotubes

synthesis and high gas sensitivity of tin oxide nanotubes

... impregnated template was dried at 100 ◦ C and then sintered at 500 ◦ C for 3 h to convert the tin hydroxide to tin oxide; (iv) after sintering, the AAO mem- brane was dissolved in 6 M NaOH solution. The ... November 2007; accepted 14 November 2007 Available online 24 November 2007 Abstract Semiconductor tin oxide (SnO 2 ) nanotubes have been synthesised in bulk quantities using a sol...

Ngày tải lên: 20/03/2014, 13:08

5 456 0
hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing

hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing

... CO (i.e., 0.4) for MWCNT/WO 3 hybrid films [9]. Table 1 shows that the sensi- tivity towards CO of tungsten oxide hybrid films is higher than the one of tinoxide hybrid films. All sensors were irresponsive ... metal oxide in order to enhance sensitivity. © 2007 Elsevier B.V. All rights reserved. Keywords: Gas sensors; Hybrid metal oxides/MWCNTs; Low temperature operation 1. Introduct...

Ngày tải lên: 19/03/2014, 16:48

6 589 0
Tín dụng, cơ sở lý luận và thực tiễn tại VN

Tín dụng, cơ sở lý luận và thực tiễn tại VN

... một bên là đi vay và một bên là cho vay, nó dựa trên cơ sở của lòng tin. Lòng tin đợc thể hiện trên khía cạnh: ngời cho vay tin tởng ngời đi vay sử dụng đúng mục đích, có hiệu quả và là quan ... pháp lí để thực hiện trực tiếp đầu t hoặc cho vay. Với hoạt động của hệ thống tín dụng có đủ độ tin cậy, do tính chuyên môn hoá cao trong hoạt động tín dụng và đa dạng hoá các doanh mục đ...

Ngày tải lên: 07/08/2012, 16:25

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