Selective detection of phosgene by nanocrystalline diamond layer

被引：35

作者：

Davydova, Marina ^{[1
,2
]}

Kromka, Alexander ^{[1
]}

Exnar, Petr ^{[3
]}

Stuchlik, Martin ^{[4
]}

Hruska, Karel ^{[1
]}

Vanecek, Milan ^{[1
]}

Kalbac, Martin ^{[5
]}

机构：

[1] Acad Sci Czech Republic, Inst Phys, Prague 16253 6, Czech Republic

[2] Czech Tech Univ, Fac Mech Engn, Dept Phys, Prague 16607 6, Czech Republic

[3] TU Liberec, Dept Chem, Fac Sci Humanities & Educ, Liberec 46117, Czech Republic

[4] Univ Pardubice, Fac Chem Technol, Inst Environm Protect, Pardubice 53210, Czech Republic

[5] Acad Sci Czech Republic, J Heyrovsky Inst Phys Chem, CR-18223 Prague 8, Czech Republic

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2009年 / 206卷 / 09期

关键词：

CHEMICAL WARFARE AGENTS; GAS SENSOR;

D O I：

10.1002/pssa.200982216

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanocrystalline diamond (NCD) films were grown on gold/Al(2)O(3) substrate using microwave plasma-enhanced chemical vapor deposition (PECVD) process. The NCD morphology was controlled by the deposition time and it was investigated by scanning electron microscopy (SEM). Gas sensing properties of NCD surface conductivity to humid air, CO(2), NH(3), and COCl(2) gases were measured by impedance measurements at room and at high temperature (140 degrees C). The H-terminated NCD surface shows a significant response to oxidizing gas (humid air, COCl(2)) in comparison to reducing gases (CO(2), NH(3)). (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2070 / 2073

页数：4

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