VOC-sensitive structures with nanoscale heterojunctions based on WO3-x nanoneedles and Fe2O3 nanoparticles

被引：0
作者：
Vallejos, Stella [1 ]
Gracia, Isabel [2 ]
Hubalek, Jaromir [1 ]
Cane, Carles [2 ]
机构：
[1] Brno Univ Technol, Cent European Inst Technol CEITEC BUT, Brno, Czech Republic
[2] CSIC, Inst Microelect Barcelona, IMB CNM, Barcelona, Spain
来源：
MONATSHEFTE FUR CHEMIE | 2017年 / 148卷 / 11期
关键词：
Oxides; Nanostructures; Sensitizers; Chemical vapour deposition; Gas sensor; VOLATILE ORGANIC-COMPOUNDS; AEROSOL-ASSISTED CVD; TUNGSTEN-OXIDE NANOSTRUCTURES; CHEMICAL-VAPOR-DEPOSITION; GAS-SENSING PROPERTIES; TOLUENE SENSORS; DEVICES; AU; FABRICATION; COMPOSITES;
D O I：
10.1007/s00706-017-1931-y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Gas-sensitive structures with nanoscale heterojunctions are formed by the co-deposition of WO3-x nanoneedles and Fe2O3 nanoparticles via aerosol-assisted chemical vapour deposition. These composite structures demonstrate enhanced gas sensor performance to ethanol, methanol, acetone, and toluene compared to bare WO3-x nanoneedles devoid of heterojunctions, with better selectivity for the group of analytes studied.
引用
收藏
页码：1921 / 1927
页数：7
相关论文
共 30 条
[21]   Aerosol Assisted Chemical Vapour Deposition Control Parameters for Selective Deposition of Tungsten Oxide Nanostructures [J].
Vallejos, S. ;
Umek, P. ;
Blackman, C. .
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2011, 11 (09) :8214-8220
[22]   Au nanoparticle-functionalised WO3 nanoneedles and their application in high sensitivity gas sensor devices [J].
Vallejos, Stella ;
Stoycheva, Toni ;
Umek, Polona ;
Navio, Cristina ;
Snyders, Rony ;
Bittencourt, Carla ;
Llobet, Eduard ;
Blackman, Christopher ;
Moniz, Savio ;
Correig, Xavier .
CHEMICAL COMMUNICATIONS, 2011, 47 (01) :565-567
[23]   Nanoscale Heterostructures Based on Fe2O3@WO3-x Nanoneedles and Their Direct Integration into Flexible Transducing Platforms for Toluene Sensing [J].
Vallejos, Stella ;
Gracia, Isabel ;
Figueras, Eduardo ;
Cane, Carles .
ACS APPLIED MATERIALS & INTERFACES, 2015, 7 (33) :18638-18649
[24]   Catalyst-Free Vapor-Phase Method for Direct Integration of Gas Sensing Nanostructures with Polymeric Transducing Platforms [J].
Vallejos, Stella ;
Gracia, Isabel ;
Figueras, Eduardo ;
Cane, Carles .
JOURNAL OF NANOMATERIALS, 2014, 2014
[25]   Single-Step Deposition of Au- and Pt-Nanoparticle-Functionalized Tungsten Oxide Nanoneedles Synthesized Via Aerosol-Assisted CVD, and Used for Fabrication of Selective Gas Microsensor Arrays [J].
Vallejos, Stella ;
Umek, Polona ;
Stoycheva, Toni ;
Annanouch, Fatima ;
Llobet, Eduard ;
Correig, Xavier ;
De Marco, Patrizia ;
Bittencourt, Carla ;
Blackman, Chris .
ADVANCED FUNCTIONAL MATERIALS, 2013, 23 (10) :1313-1322
[26]   Hierarchical α-Fe2O3/NiO Composites with a Hollow Structure for a Gas Sensor [J].
Wang, Chen ;
Cheng, Xiaoyang ;
Zhou, Xin ;
Sun, Peng ;
Hu, Xiaolong ;
Shimanoe, Kengo ;
Lu, Geyu ;
Yamazoe, Noboru .
ACS APPLIED MATERIALS & INTERFACES, 2014, 6 (15) :12031-12037
[27]   Nanoparticles-assembled Co3O4 nanorods p-type nanomaterials: One-pot synthesis and toluene-sensing properties [J].
Wang, Lili ;
Deng, Jianan ;
Lou, Zheng ;
Zhang, Tong .
SENSORS AND ACTUATORS B-CHEMICAL, 2014, 201 :1-6
[28]   Fabrication of porous α-Fe2O3 nanoshuttles and their application for toluene sensors [J].
Wang, Shurong ;
Wang, Yanshuang ;
Zhang, Hongxin ;
Gao, Xueling ;
Yang, Jiedi ;
Wang, Yao .
RSC ADVANCES, 2014, 4 (58) :30840-30849
[29]  
Xinglong G, 2008, NANOTECHNOLOGY, V19
[30]   Sensitivity improvement of TiO2-doped SnO2 to volatile organic compounds [J].
Zeng, Wen ;
Liu, Tianmo ;
Wang, Zhongchang .
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2010, 43 (02) :633-638
123