Title: A switchable sensor and scavenger: detection and removal of fluorinated chemical species by a luminescent metal–organic framework

Abstract

Fluorosis has been regarded as a worldwide disease that seriously diminishes the quality of life through skeletal embrittlement and hepatic damage. Effective detection and removal of fluorinated chemical species such as fluoride ions (F^-) and perfluorooctanoic acid (PFOA) from drinking water are of great importance for the sake of human health. Aiming to develop water-stable, highly selective and sensitive fluorine sensors, we have designed a new luminescent MOF In(tcpp) using a chromophore ligand 2,3,5,6-tetrakis(4-carboxyphenyl)pyrazine (H₄tcpp). In(tcpp) exhibits high sensitivity and selectivity for turn-on detection of F- and turn-off detection of PFOA with a detection limit of 1.3 μg L^-1 and 19 μg L^-1, respectively. In(tcpp) also shows high recyclability and can be reused multiple times for F^- detection. The mechanisms of interaction between In(tcpp) and the analytes are investigated by several experiments and DFT calculations. These studies reveal insightful information concerning the nature of F^- and PFOA binding within the MOF structure. In addition, In(tcpp) also acts as an efficient adsorbent for the removal of F- (36.7 mg g^-1) and PFOA (980.0 mg g^-1). It is the first material that is not only capable of switchable sensing of F^- and PFOA but also competent for removing the pollutants via differentmore » functional groups.« less

Authors:

Yin, Hua-Qing  ^[1];

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Tan, Kui  ^[2];

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Jensen, Stephanie  ^[3];

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Teat, Simon J.  ^[4];

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Ullah, Saif  ^[3];

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Hei, Xiuze ^[5]; Velasco, Ever ^[5]; Oyekan, Kolade  ^[2];

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Meyer, Noah  ^[3];

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Wang, Xin-Yao ^[6]; Thonhauser, Timo  ^[3];

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Yin, Xue-Bo  ^[6];

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Li, Jing  ^[5]

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+ Show Author Affiliations

1. Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Road, Piscataway, NJ 08854, USA, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, P. R. China, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science & Engineering, Tianjin University of Technology, 391 Bin Shui Xi Dao Road, Tianjin 300384, P. R. China
2. Materials Science and Engineering, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, TX 75080, USA
3. Department of Physics and Center for Functional Materials, Wake Forest University, 1834 Wake Forest Road, Winston–Salem, NC 27109, USA
4. Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
5. Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Road, Piscataway, NJ 08854, USA
6. State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, P. R. China

Publication Date:

2021-11-03

Research Org.:

Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Wake Forest Univ., Winston-Salem, NC (United States)

Sponsoring Org.:

USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); China Scholarship Council (CSC)

OSTI Identifier:

1825773

Alternate Identifier(s):

OSTI ID: 1838437; OSTI ID: 1863380

Grant/Contract Number:  

SC0019902; AC02-05CH11231; 21874074; 20183101

Resource Type:

Published Article

Journal Name:

Chemical Science

Additional Journal Information:

Journal Name: Chemical Science Journal Volume: 12 Journal Issue: 42; Journal ID: ISSN 2041-6520

Publisher:

Royal Society of Chemistry (RSC)

Country of Publication:

United Kingdom

Language:

English

Subject:

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY