Rolled-up SnO2 nanomembranes: a new platform for efficient gas sensors

Rolled-up SnO2 nanomembranes: a new platform for efficient gas sensors
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DOI：
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发表时间：
2018
期刊：
Sens. Actuators B Chem.
影响因子：
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通讯作者：
Jun Zhang
Jun Zhang
中科院分区：
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文献类型：
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作者：
Xianghong Liu;Tiantian Ma;Yongshan Xu;Li Sun;Lingli Zheng;Oliver G. Schmidt;Jun Zhang

文献摘要

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Metal ox­ide semi­con­duc­tor (MOS) nanomem­branes hold a great po­ten­tial for elec­tronic de­vices. In this work, tubu­lar SnO2 nanomem­branes were fab­ri­cated by the rolled-up tech­nol­ogy and in­ves­ti­gated as the sens­ing el­e­ment for chemire­sis­tive gas sen­sors. Due to the high ac­ces­si­bil­ity to both sur­faces of nanomem­branes and the large amount of ad­sorbed oxy­gen species, the sen­sor based on SnO2 nanomem­branes dis­played high and fast re­sponse for se­lec­tive de­tec­tion of ace­tone, as well as good re­peata­bil­ity, sta­bil­ity and low de­tec­tion limit of ppb-level. The very good sens­ing per­for­mances de­rived from the tubu­lar nanomem­brane struc­ture sug­gests a new plat­form that can be used for chem­i­cal gas sen­sors. This work will drive the in­te­gra­tion of tubu­lar MOS nanomem­branes into a real mi­crosen­sor based on the lab-in-tube con­cept.