首页|Preparation of aloe-like ordered mesoporous SnO2 with excellent gas sensing property to H2S
Preparation of aloe-like ordered mesoporous SnO2 with excellent gas sensing property to H2S
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NSTL
Elsevier
? 2022 Elsevier B.V.In this study, a kind of novel and uniform 3D aloe-like morphology SnO2 material was successfully synthesized, the breadth, thickness and length of aloe-like petals were about 230 ± 10 nm, 30 ± 5 nm and 600 ± 10 nm, respectively. The ordered mesoporous were distributed on the surface of the 3D aloe-like SnO2 material whose average pore diameter was about 3.6 nm. The optimum synthesis conditions were determined, and the morphology, structure and gas sensing performance toward H2S of the prepared material were tested. The 3D aloe-like SnO2 nanomaterial showed much excellent gas sensing performance to H2S at 190 °C, whose response to 100 ppm H2S reached to 48.3 (Ra/Rg), response time was only 3 s, and detection limit was as low as 0.5 ppm. Such excellent gas sensing performance was rarely reported in past reports for the single phase SnO2 material.
Aloe-like SnO2Gas sensorH2SOrdered mesoporous
Li Y.-Y.、Wu R.-Y.、Yang M.、Yu H.、Yang Y.、Dong X.-T.
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School of Chemistry ＆ Environmental Engineering Changchun University of Science and Technology
NSTL
Elsevier
