DataVXACS Materials LettersPaper
journal article·2021-12-06

Thin Films of an Ultrastable Metal–Organic Framework for Formic Acid Sensing with High Selectivity and Excellent Reproducibility

Meng Liu, Jin Zhang, Ya-Ru Kong, Hong-Bin Luo, Yangyang Liu, Xiao-Ming Ren

ACS Materials Letters· Volume 3· Issue 12
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Source abstract

Abstract

Formic acid, which is an important volatile organic acid that has been widely used in many fields, is highly corrosive and pungent. The effective detection of formic acid is of great significance for determining the leakage source and monitoring air quality in the industry and the environment. In this work, for the first time, we present the thin films of metal–organic frameworks (MOFs) utilized as sensing materials for the detection of formic acid at room temperature. The zirconium-based MOF-802 featured high chemical resistance to water and acid, and the crystalline thin films of MOF-802 grown via the solvothermal method displayed dense packing and uniformity. Remarkably, the sensor fabricated using MOF-802 film showed high selectivity, excellent long-term stability, and reproducibility for detecting formic acid at room temperature. This study suggests that MOF thin films may act as high-performance sensing materials for the detection of formic acid.
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Research context

OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Metal-Organic Frameworks: Synthesis and Applications · Analytical Chemistry and Sensors

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, People’s Republic of China

Department of Chemistry and Biochemistry, California State University, Los Angeles, 5151 State University Drive, Los Angeles, California 90032-8202, United States

State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, People’s Republic of China

Funding

China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions

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