Facile synthesis of ultrafine rGO/WO3 nanowire nanocomposites for highly sensitive toxic NH3 gas sensors

Chu Manh Hung,Do Quang Dat,Nguyen Van Duy,Vu Van Quang,Nguyen Van Toan,Nguyen Van Hieu,Nguyen Duc Hoa

Materials Research Bulletin（2020）

引用 82|浏览11

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摘要

•Nanocomposites of rGO and WO3 nanowires were hydrothermally synthesized.•The rGO/WO3 nanocomposites showed excellent sensing performance with theoretical detection limit of 138 ppb.•Gas-sensing mechanism was discussed based on the p-n heterojunction.•The rGO/WO3 nanocomposites are capable for monitoring highly toxic NH3 gas in air.

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关键词

WO3 nanowires,rGO,Nanocomposites,Hydrothermal,Highly toxic NH3,Gas sensors

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