Room-temperature NO2 sensor based on a hybrid nanomaterial of methylammonium tin iodide submicron spheres and tin dioxide nanowires

Vu Xuan Hien; Phung Dinh Hoat; Pham Tien Hung; Sangwook Lee; Joon Hyung Lee; Young Woo Heo

doi:10.1016/j.scriptamat.2020.07.022

Room-temperature NO₂ sensor based on a hybrid nanomaterial of methylammonium tin iodide submicron spheres and tin dioxide nanowires

Vu Xuan Hien, Phung Dinh Hoat, Pham Tien Hung, Sangwook Lee, Joon Hyung Lee, Young Woo Heo

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Perovskite halide materials are currently attracting considerable attention owing to their superior optical and electrical properties. This study proposes a reliable process for synthesizing hybrid nanomaterials made of methylammonium tin iodide (MASnI₃) submicron spheres and tin dioxide (SnO₂) nanowires. Post-fabricated hybrid nanomaterials were investigated for NO₂ sensing properties at 25 °C in the dark. The effect of moisture on the NO₂ sensitivity of this material was investigated. The durability of sensor components using this material was also investigated. In this paper, we also discuss the NO₂ sensitivity mechanism of MASnI₃/SnO₂ hybrid nanomaterials in detail.

Original language	English
Pages (from-to)	107-111
Number of pages	5
Journal	Scripta Materialia
Volume	188
DOIs	https://doi.org/10.1016/j.scriptamat.2020.07.022
State	Published - Nov 2020

Keywords

CVD
Gas sensor
Halide perovskite
Hybrid material
Lead free

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10.1016/j.scriptamat.2020.07.022

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title = "Room-temperature NO2 sensor based on a hybrid nanomaterial of methylammonium tin iodide submicron spheres and tin dioxide nanowires",

abstract = "Perovskite halide materials are currently attracting considerable attention owing to their superior optical and electrical properties. This study proposes a reliable process for synthesizing hybrid nanomaterials made of methylammonium tin iodide (MASnI3) submicron spheres and tin dioxide (SnO2) nanowires. Post-fabricated hybrid nanomaterials were investigated for NO2 sensing properties at 25 °C in the dark. The effect of moisture on the NO2 sensitivity of this material was investigated. The durability of sensor components using this material was also investigated. In this paper, we also discuss the NO2 sensitivity mechanism of MASnI3/SnO2 hybrid nanomaterials in detail.",

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AU - Hien, Vu Xuan

AU - Hoat, Phung Dinh

AU - Hung, Pham Tien

AU - Lee, Sangwook

AU - Lee, Joon Hyung

AU - Heo, Young Woo

PY - 2020/11

Y1 - 2020/11

N2 - Perovskite halide materials are currently attracting considerable attention owing to their superior optical and electrical properties. This study proposes a reliable process for synthesizing hybrid nanomaterials made of methylammonium tin iodide (MASnI3) submicron spheres and tin dioxide (SnO2) nanowires. Post-fabricated hybrid nanomaterials were investigated for NO2 sensing properties at 25 °C in the dark. The effect of moisture on the NO2 sensitivity of this material was investigated. The durability of sensor components using this material was also investigated. In this paper, we also discuss the NO2 sensitivity mechanism of MASnI3/SnO2 hybrid nanomaterials in detail.

AB - Perovskite halide materials are currently attracting considerable attention owing to their superior optical and electrical properties. This study proposes a reliable process for synthesizing hybrid nanomaterials made of methylammonium tin iodide (MASnI3) submicron spheres and tin dioxide (SnO2) nanowires. Post-fabricated hybrid nanomaterials were investigated for NO2 sensing properties at 25 °C in the dark. The effect of moisture on the NO2 sensitivity of this material was investigated. The durability of sensor components using this material was also investigated. In this paper, we also discuss the NO2 sensitivity mechanism of MASnI3/SnO2 hybrid nanomaterials in detail.

KW - CVD

KW - Gas sensor

KW - Halide perovskite

KW - Hybrid material

KW - Lead free

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JO - Scripta Materialia

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Room-temperature NO₂ sensor based on a hybrid nanomaterial of methylammonium tin iodide submicron spheres and tin dioxide nanowires

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Keywords

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