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Functionalized Graphene Surfaces for Selective Gas Sensing.
ACS Omega ( IF 3.7 ) Pub Date : 2020-08-21 , DOI: 10.1021/acsomega.0c02861 Natalia Alzate-Carvajal 1 , Adina Luican-Mayer 1
ACS Omega ( IF 3.7 ) Pub Date : 2020-08-21 , DOI: 10.1021/acsomega.0c02861 Natalia Alzate-Carvajal 1 , Adina Luican-Mayer 1
Affiliation
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Environmental monitoring through gas sensors is paramount for the safety and security of industrial workers and for ecological protection. Graphene is among the most promising materials considered for next-generation gas sensing due to its properties such as mechanical strength and flexibility, high surface-to-volume ratio, large conductivity, and low electrical noise. While gas sensors based on graphene devices have already demonstrated high sensitivity, one of the most important figures of merit, selectivity, remains a challenge. In the past few years, however, surface functionalization emerged as a potential route to achieve selectivity. This review surveys the recent advances in the fabrication and characterization of graphene and reduced graphene oxide gas sensors chemically functionalized with aromatic molecules and polymers with the goal of improving selectivity toward specific gases as well as overall sensor performance.
中文翻译：
用于选择性气体传感的功能化石墨烯表面。
通过气体传感器进行环境监测对于产业工人的安全和生态保护至关重要。石墨烯因其机械强度和柔韧性、高表面积与体积比、大电导率和低电噪声等特性而成为下一代气体传感最有前途的材料之一。虽然基于石墨烯器件的气体传感器已经表现出高灵敏度，但最重要的品质因数之一——选择性仍然是一个挑战。然而，在过去几年中，表面功能化成为实现选择性的潜在途径。本综述调查了石墨烯和用芳香族分子和聚合物进行化学功能化的还原氧化石墨烯气体传感器的制造和表征方面的最新进展，目的是提高对特定气体的选择性以及整体传感器性能。
更新日期：2020-09-01
中文翻译：
用于选择性气体传感的功能化石墨烯表面。
通过气体传感器进行环境监测对于产业工人的安全和生态保护至关重要。石墨烯因其机械强度和柔韧性、高表面积与体积比、大电导率和低电噪声等特性而成为下一代气体传感最有前途的材料之一。虽然基于石墨烯器件的气体传感器已经表现出高灵敏度，但最重要的品质因数之一——选择性仍然是一个挑战。然而，在过去几年中，表面功能化成为实现选择性的潜在途径。本综述调查了石墨烯和用芳香族分子和聚合物进行化学功能化的还原氧化石墨烯气体传感器的制造和表征方面的最新进展，目的是提高对特定气体的选择性以及整体传感器性能。
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