Excellent Toluene Sensing Properties of SnO2–Fe2O3 Interconnected Nanotubes

Excellent Toluene Sensing Properties of SnO2–Fe2O3 Interconnected Nanotubes

SnO2–Fe2O3 interconnected nanotubes were obtained by combining the single nozzle electrospinning and thermal treatment methods. The results of scanning electron microscopy revealed the special structure of ruptures and interconnected nanotubes in the as-prepared materials. The toluene sensing test r...

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Veröffentlicht in:ACS applied materials & interfaces 2013-07, Vol.5 (13), p.6376-6380
Hauptverfasser: Shan, Hao, Liu, Changbai, Liu, Li, Zhang, Jinbao, Li, Haiying, Liu, Zhen, Zhang, Xiaobo, Bo, Xiaoqing, Chi, Xiao
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container_end_page 6380
container_issue 13
container_start_page 6376
container_title ACS applied materials & interfaces
container_volume 5
creator Shan, Hao
Liu, Changbai
Liu, Li
Zhang, Jinbao
Li, Haiying
Liu, Zhen
Zhang, Xiaobo
Bo, Xiaoqing
Chi, Xiao
description SnO2–Fe2O3 interconnected nanotubes were obtained by combining the single nozzle electrospinning and thermal treatment methods. The results of scanning electron microscopy revealed the special structure of ruptures and interconnected nanotubes in the as-prepared materials. The toluene sensing test results of SnO2–Fe2O3 interconnected nanotubes show that SnO2–Fe2O3 interconnected nanotubes possess excellent toluene gas-sensing properties. The sensitivity of detecting limit (50 ppb) is 2.0 at the optimum operating temperature of 260 °C. The response and recovery times to 1 ppm toluene are about 5 and 11 s, respectively. Moreover, the SnO2–Fe2O3 interconnected nanotube gas sensors exhibit the remarkable selectivity to toluene, and good long-term stability.
doi_str_mv 10.1021/am4015082
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title Excellent Toluene Sensing Properties of SnO2–Fe2O3 Interconnected Nanotubes
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