Hybrid organic-inorganic composite based on electroactive aniline trimer decorated MIL-88B(Fe) as hydrogen sulfide sensor

Minsi Yan; Wanyi Wang; Dinesh Kumar Dhanthala Chittibabu; Hongyu Chen; Hsin Tsung Chen; Chia Her Lin; Jui Ming Yeh

doi:10.1016/j.snb.2024.136659

Hybrid organic-inorganic composite based on electroactive aniline trimer decorated MIL-88B(Fe) as hydrogen sulfide sensor

Minsi Yan, Wanyi Wang, Dinesh Kumar Dhanthala Chittibabu, Hongyu Chen, Hsin Tsung Chen^*, Chia Her Lin^*, Jui Ming Yeh^*

^*Corresponding author for this work

Department of Chemistry

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

1 Citation (Scopus)

Abstract

This study presents a novel approach to enhancing MIL-88B(Fe) for H₂S sensing by incorporating aniline trimer (ACAT). The successful synthesis and comprehensive characterization of ACAT, MIL-88B(Fe), and their composite, ACAT-MIL-88B(Fe), are detailed. The ACAT-MIL-88B(Fe) sensor demonstrates significantly superior performance, with a sensitivity increase to 643.5 % at 9–10 ppm H₂S and a rapid response time of 288 seconds. It maintains high sensitivity (450 % response) even at 90 % relative humidity and shows excellent selectivity for H₂S over other gases. Stability tests confirm over 600 % responsiveness over 16 days. Density Functional Theory (DFT) calculations validate that H₂S adsorption is most stable at the Fe site of MIL-88B(Fe), with ACAT enhancing this interaction. This innovative sensor holds promise for highly sensitive, selective, and stable H₂S detection in industrial applications.

Original language	English
Article number	136659
Journal	Sensors and Actuators B: Chemical
Volume	422
DOIs	https://doi.org/10.1016/j.snb.2024.136659
Publication status	Published - 2025 Jan 1

Keywords

Adsorption energy
Aniline trimer
Density functional theory
HS gas sensors
Metal organic framework

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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title = "Hybrid organic-inorganic composite based on electroactive aniline trimer decorated MIL-88B(Fe) as hydrogen sulfide sensor",

abstract = "This study presents a novel approach to enhancing MIL-88B(Fe) for H₂S sensing by incorporating aniline trimer (ACAT). The successful synthesis and comprehensive characterization of ACAT, MIL-88B(Fe), and their composite, ACAT-MIL-88B(Fe), are detailed. The ACAT-MIL-88B(Fe) sensor demonstrates significantly superior performance, with a sensitivity increase to 643.5 % at 9–10 ppm H₂S and a rapid response time of 288 seconds. It maintains high sensitivity (450 % response) even at 90 % relative humidity and shows excellent selectivity for H₂S over other gases. Stability tests confirm over 600 % responsiveness over 16 days. Density Functional Theory (DFT) calculations validate that H₂S adsorption is most stable at the Fe site of MIL-88B(Fe), with ACAT enhancing this interaction. This innovative sensor holds promise for highly sensitive, selective, and stable H₂S detection in industrial applications.",

keywords = "Adsorption energy, Aniline trimer, Density functional theory, HS gas sensors, Metal organic framework",

author = "Minsi Yan and Wanyi Wang and Chittibabu, {Dinesh Kumar Dhanthala} and Hongyu Chen and Chen, {Hsin Tsung} and Lin, {Chia Her} and Yeh, {Jui Ming}",

note = "Publisher Copyright: {\textcopyright} 2024 Elsevier B.V.",

year = "2025",

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doi = "10.1016/j.snb.2024.136659",

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AU - Yan, Minsi

AU - Wang, Wanyi

AU - Chittibabu, Dinesh Kumar Dhanthala

AU - Chen, Hongyu

AU - Chen, Hsin Tsung

AU - Lin, Chia Her

AU - Yeh, Jui Ming

PY - 2025/1/1

Y1 - 2025/1/1

N2 - This study presents a novel approach to enhancing MIL-88B(Fe) for H₂S sensing by incorporating aniline trimer (ACAT). The successful synthesis and comprehensive characterization of ACAT, MIL-88B(Fe), and their composite, ACAT-MIL-88B(Fe), are detailed. The ACAT-MIL-88B(Fe) sensor demonstrates significantly superior performance, with a sensitivity increase to 643.5 % at 9–10 ppm H₂S and a rapid response time of 288 seconds. It maintains high sensitivity (450 % response) even at 90 % relative humidity and shows excellent selectivity for H₂S over other gases. Stability tests confirm over 600 % responsiveness over 16 days. Density Functional Theory (DFT) calculations validate that H₂S adsorption is most stable at the Fe site of MIL-88B(Fe), with ACAT enhancing this interaction. This innovative sensor holds promise for highly sensitive, selective, and stable H₂S detection in industrial applications.

AB - This study presents a novel approach to enhancing MIL-88B(Fe) for H₂S sensing by incorporating aniline trimer (ACAT). The successful synthesis and comprehensive characterization of ACAT, MIL-88B(Fe), and their composite, ACAT-MIL-88B(Fe), are detailed. The ACAT-MIL-88B(Fe) sensor demonstrates significantly superior performance, with a sensitivity increase to 643.5 % at 9–10 ppm H₂S and a rapid response time of 288 seconds. It maintains high sensitivity (450 % response) even at 90 % relative humidity and shows excellent selectivity for H₂S over other gases. Stability tests confirm over 600 % responsiveness over 16 days. Density Functional Theory (DFT) calculations validate that H₂S adsorption is most stable at the Fe site of MIL-88B(Fe), with ACAT enhancing this interaction. This innovative sensor holds promise for highly sensitive, selective, and stable H₂S detection in industrial applications.

KW - Adsorption energy

KW - Aniline trimer

KW - Density functional theory

KW - HS gas sensors

KW - Metal organic framework

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Hybrid organic-inorganic composite based on electroactive aniline trimer decorated MIL-88B(Fe) as hydrogen sulfide sensor

Abstract

Keywords

ASJC Scopus subject areas

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