Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors

Layered Au/SnS<sub<2</sub< nanosheet based chemiresistive-type sensors were successfully prepared by using an in situ chemical reduction method followed by the hydrothermal treatment. SEM and XRD were used to study the microscopic morphology and crystal lattice structure of the synthesis...
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Gespeichert in:

Autor*in:	Ding Gu [verfasserIn] Wei Liu [verfasserIn] Jing Wang [verfasserIn] Jun Yu [verfasserIn] Jianwei Zhang [verfasserIn] Baoyu Huang [verfasserIn] Marina N. Rumyantseva [verfasserIn] Xiaogan Li [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	SnS noble metals NO gas sensor charge transfer

Übergeordnetes Werk:	In: Chemosensors - MDPI AG, 2013, 10(2022), 5, p 165
Übergeordnetes Werk:	volume:10 ; year:2022 ; number:5, p 165

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/chemosensors10050165

Katalog-ID:	DOAJ043680356

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allfieldsSound	10.3390/chemosensors10050165 doi (DE-627)DOAJ043680356 (DE-599)DOAJ900950246e6349ed8ec877110da22344 DE-627 ger DE-627 rakwb eng QD415-436 Ding Gu verfasserin aut Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Layered Au/SnS<sub<2</sub< nanosheet based chemiresistive-type sensors were successfully prepared by using an in situ chemical reduction method followed by the hydrothermal treatment. SEM and XRD were used to study the microscopic morphology and crystal lattice structure of the synthesis of Au/SnS<sub<2</sub< nanomaterials. TEM and XPS characterization were further carried out to verify the formation of the Schottky barrier between SnS<sub<2</sub< nanosheets and Au nanoparticles. The as-fabricated Au/SnS<sub<2</sub< nanosheet based sensor demonstrated excellent sensing properties to low-concentrations of NO<sub<2</sub<, and the response of the sensor to 4 ppm NO<sub<2</sub< at 120 °C was approximately 3.94, which was 65% higher than that of the pristine SnS<sub<2</sub< (2.39)-based sensor. Moreover, compared to that (220 s/520 s) of the pristine SnS<sub<2</sub<-based sensor, the response/recovery time of the Au/SnS<sub<2</sub<-based one was significantly improved, reducing to 42 s/127 s, respectively. The sensor presents a favorable long-term stability with a deviation in the response of less than 4% for 40 days, and a brilliant selectivity to several possible interferents such as NH<sub<3</sub<, acetone, toluene, benzene, methanol, ethanol, and formaldehyde. The Schottky barrier that formed at the interface between the SnS<sub<2</sub< nanosheets and Au nanoparticles modulated the conducting channel of the nanocomposites. The “catalysis effect” and “spillover effect” of noble metals jointly improved the sensitivity of the sensor and effectively decreased the response/recovery time. SnS<sub<2</sub< nanosheets noble metals NO<sub<2</sub< detection gas sensor charge transfer Biochemistry Wei Liu verfasserin aut Jing Wang verfasserin aut Jun Yu verfasserin aut Jianwei Zhang verfasserin aut Baoyu Huang verfasserin aut Marina N. Rumyantseva verfasserin aut Xiaogan Li verfasserin aut In Chemosensors MDPI AG, 2013 10(2022), 5, p 165 (DE-627)737287594 (DE-600)2704218-2 22279040 nnns volume:10 year:2022 number:5, p 165 https://doi.org/10.3390/chemosensors10050165 kostenfrei https://doaj.org/article/900950246e6349ed8ec877110da22344 kostenfrei https://www.mdpi.com/2227-9040/10/5/165 kostenfrei https://doaj.org/toc/2227-9040 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 5, p 165
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authorswithroles_txt_mv	Ding Gu @@aut@@ Wei Liu @@aut@@ Jing Wang @@aut@@ Jun Yu @@aut@@ Jianwei Zhang @@aut@@ Baoyu Huang @@aut@@ Marina N. Rumyantseva @@aut@@ Xiaogan Li @@aut@@
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callnumber-first	Q - Science
author	Ding Gu
spellingShingle	Ding Gu misc QD415-436 misc SnS<sub<2</sub< nanosheets misc noble metals misc NO<sub<2</sub< detection misc gas sensor misc charge transfer misc Biochemistry Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors
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topic_title	QD415-436 Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors SnS<sub<2</sub< nanosheets noble metals NO<sub<2</sub< detection gas sensor charge transfer
topic	misc QD415-436 misc SnS<sub<2</sub< nanosheets misc noble metals misc NO<sub<2</sub< detection misc gas sensor misc charge transfer misc Biochemistry
topic_unstemmed	misc QD415-436 misc SnS<sub<2</sub< nanosheets misc noble metals misc NO<sub<2</sub< detection misc gas sensor misc charge transfer misc Biochemistry
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title	Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors
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title_full	Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors
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author_browse	Ding Gu Wei Liu Jing Wang Jun Yu Jianwei Zhang Baoyu Huang Marina N. Rumyantseva Xiaogan Li
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title_sort	au functionalized sns<sub<2</sub< nanosheets based chemiresistive no<sub<2</sub< sensors
callnumber	QD415-436
title_auth	Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors
abstract	Layered Au/SnS<sub<2</sub< nanosheet based chemiresistive-type sensors were successfully prepared by using an in situ chemical reduction method followed by the hydrothermal treatment. SEM and XRD were used to study the microscopic morphology and crystal lattice structure of the synthesis of Au/SnS<sub<2</sub< nanomaterials. TEM and XPS characterization were further carried out to verify the formation of the Schottky barrier between SnS<sub<2</sub< nanosheets and Au nanoparticles. The as-fabricated Au/SnS<sub<2</sub< nanosheet based sensor demonstrated excellent sensing properties to low-concentrations of NO<sub<2</sub<, and the response of the sensor to 4 ppm NO<sub<2</sub< at 120 °C was approximately 3.94, which was 65% higher than that of the pristine SnS<sub<2</sub< (2.39)-based sensor. Moreover, compared to that (220 s/520 s) of the pristine SnS<sub<2</sub<-based sensor, the response/recovery time of the Au/SnS<sub<2</sub<-based one was significantly improved, reducing to 42 s/127 s, respectively. The sensor presents a favorable long-term stability with a deviation in the response of less than 4% for 40 days, and a brilliant selectivity to several possible interferents such as NH<sub<3</sub<, acetone, toluene, benzene, methanol, ethanol, and formaldehyde. The Schottky barrier that formed at the interface between the SnS<sub<2</sub< nanosheets and Au nanoparticles modulated the conducting channel of the nanocomposites. The “catalysis effect” and “spillover effect” of noble metals jointly improved the sensitivity of the sensor and effectively decreased the response/recovery time.
abstractGer	Layered Au/SnS<sub<2</sub< nanosheet based chemiresistive-type sensors were successfully prepared by using an in situ chemical reduction method followed by the hydrothermal treatment. SEM and XRD were used to study the microscopic morphology and crystal lattice structure of the synthesis of Au/SnS<sub<2</sub< nanomaterials. TEM and XPS characterization were further carried out to verify the formation of the Schottky barrier between SnS<sub<2</sub< nanosheets and Au nanoparticles. The as-fabricated Au/SnS<sub<2</sub< nanosheet based sensor demonstrated excellent sensing properties to low-concentrations of NO<sub<2</sub<, and the response of the sensor to 4 ppm NO<sub<2</sub< at 120 °C was approximately 3.94, which was 65% higher than that of the pristine SnS<sub<2</sub< (2.39)-based sensor. Moreover, compared to that (220 s/520 s) of the pristine SnS<sub<2</sub<-based sensor, the response/recovery time of the Au/SnS<sub<2</sub<-based one was significantly improved, reducing to 42 s/127 s, respectively. The sensor presents a favorable long-term stability with a deviation in the response of less than 4% for 40 days, and a brilliant selectivity to several possible interferents such as NH<sub<3</sub<, acetone, toluene, benzene, methanol, ethanol, and formaldehyde. The Schottky barrier that formed at the interface between the SnS<sub<2</sub< nanosheets and Au nanoparticles modulated the conducting channel of the nanocomposites. The “catalysis effect” and “spillover effect” of noble metals jointly improved the sensitivity of the sensor and effectively decreased the response/recovery time.
abstract_unstemmed	Layered Au/SnS<sub<2</sub< nanosheet based chemiresistive-type sensors were successfully prepared by using an in situ chemical reduction method followed by the hydrothermal treatment. SEM and XRD were used to study the microscopic morphology and crystal lattice structure of the synthesis of Au/SnS<sub<2</sub< nanomaterials. TEM and XPS characterization were further carried out to verify the formation of the Schottky barrier between SnS<sub<2</sub< nanosheets and Au nanoparticles. The as-fabricated Au/SnS<sub<2</sub< nanosheet based sensor demonstrated excellent sensing properties to low-concentrations of NO<sub<2</sub<, and the response of the sensor to 4 ppm NO<sub<2</sub< at 120 °C was approximately 3.94, which was 65% higher than that of the pristine SnS<sub<2</sub< (2.39)-based sensor. Moreover, compared to that (220 s/520 s) of the pristine SnS<sub<2</sub<-based sensor, the response/recovery time of the Au/SnS<sub<2</sub<-based one was significantly improved, reducing to 42 s/127 s, respectively. The sensor presents a favorable long-term stability with a deviation in the response of less than 4% for 40 days, and a brilliant selectivity to several possible interferents such as NH<sub<3</sub<, acetone, toluene, benzene, methanol, ethanol, and formaldehyde. The Schottky barrier that formed at the interface between the SnS<sub<2</sub< nanosheets and Au nanoparticles modulated the conducting channel of the nanocomposites. The “catalysis effect” and “spillover effect” of noble metals jointly improved the sensitivity of the sensor and effectively decreased the response/recovery time.
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container_issue	5, p 165
title_short	Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors
url	https://doi.org/10.3390/chemosensors10050165 https://doaj.org/article/900950246e6349ed8ec877110da22344 https://www.mdpi.com/2227-9040/10/5/165 https://doaj.org/toc/2227-9040
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author2	Wei Liu Jing Wang Jun Yu Jianwei Zhang Baoyu Huang Marina N. Rumyantseva Xiaogan Li
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doi_str	10.3390/chemosensors10050165
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up_date	2024-07-03T18:53:07.468Z
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SEM and XRD were used to study the microscopic morphology and crystal lattice structure of the synthesis of Au/SnS<sub<2</sub< nanomaterials. TEM and XPS characterization were further carried out to verify the formation of the Schottky barrier between SnS<sub<2</sub< nanosheets and Au nanoparticles. The as-fabricated Au/SnS<sub<2</sub< nanosheet based sensor demonstrated excellent sensing properties to low-concentrations of NO<sub<2</sub<, and the response of the sensor to 4 ppm NO<sub<2</sub< at 120 °C was approximately 3.94, which was 65% higher than that of the pristine SnS<sub<2</sub< (2.39)-based sensor. Moreover, compared to that (220 s/520 s) of the pristine SnS<sub<2</sub<-based sensor, the response/recovery time of the Au/SnS<sub<2</sub<-based one was significantly improved, reducing to 42 s/127 s, respectively. The sensor presents a favorable long-term stability with a deviation in the response of less than 4% for 40 days, and a brilliant selectivity to several possible interferents such as NH<sub<3</sub<, acetone, toluene, benzene, methanol, ethanol, and formaldehyde. The Schottky barrier that formed at the interface between the SnS<sub<2</sub< nanosheets and Au nanoparticles modulated the conducting channel of the nanocomposites. 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Au Functionalized SnS<sub<2</sub< Nanosheets Based Chemiresistive NO<sub<2</sub< Sensors

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