High-Performance Ni3(HHTP)2 Film-Based Flexible Field-Effect Transistor Gas Sensors,ACS Sensors

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High-Performance Ni3(HHTP)2 Film-Based Flexible Field-Effect Transistor Gas Sensors
ACS Sensors ( IF 8.2 ) Pub Date : 2024-03-19 , DOI: 10.1021/acssensors.3c02656
Guirong Lu _{1,

2} , Boyang Zong _{1,

2} , Tian Tao _{1,

2} , Yuehong Yang _{1,

2} , Qiuju Li _{1,

2} , Shun Mao _{1,

2}

Affiliation

Conductive metal–organic frameworks (MOFs) have received increasing attention in recent years and present high application potential as sensing elements in electronic sensors. In this study, flexible field-effect transistor (FET) sensors based on conductive MOF, i.e., Ni₃(HHTP)₂, have been constructed. This Ni₃(HHTP)₂ sensor has high sensitivity (detection limit of 56 ppb) as well as superior selectivity for NO₂ detection at room temperature, which is demonstrated by accurate gas detection in a mixed gas atmosphere. Moreover, by employing six flexible substrates, i.e., polyimide (PI), tape (PET), facemask, paper cup, tablecloth, and take-out bag (textile), we successfully demonstrate the universality of the flexible sensor construction with conductive MOF as sensing film on various substrates. This study of conductive MOF-based flexible electronic sensors offers a new opportunity for a wide range of sensing applications with wearable and portable electronic devices.

中文翻译：

高性能 Ni3(HHTP)2 薄膜柔性场效应晶体管气体传感器

近年来，导电金属有机框架（MOF）受到越来越多的关注，作为电子传感器中的传感元件具有很高的应用潜力。在本研究中，构建了基于导电MOF（即Ni ₃ (HHTP) ₂ ）的柔性场效应晶体管（FET）传感器。该Ni ₃ (HHTP) ₂传感器具有高灵敏度（检测限为56 ppb）以及室温下NO ₂检测的优异选择性，这通过混合气体气氛中的精确气体检测得到证明。此外，通过使用聚酰亚胺（PI）、胶带（PET）、面罩、纸杯、桌布和外卖袋（纺织品）六种柔性基板，我们成功地证明了导电MOF柔性传感器结构的通用性：各种基材上的传感薄膜。这项基于导电 MOF 的柔性电子传感器的研究为可穿戴和便携式电子设备的广泛传感应用提供了新的机会。

更新日期：2024-03-19

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