Incorporation of In2S3 Nanoparticles into a Metal-Organic Framework for Ultrafast Removal of Hg from Water

Linfeng Liang; Luyao Liu; Feilong Jiang; Caiping Liu; Daqiang Yuan; Qihui Chen; Dong Wu; Hai-Long Jiang; Maochun Hong

doi:10.1021/acs.inorgchem.7b03076

Incorporation of In₂S₃ Nanoparticles into a Metal-Organic Framework for Ultrafast Removal of Hg from Water

Inorg Chem. 2018 May 7;57(9):4891-4897. doi: 10.1021/acs.inorgchem.7b03076. Epub 2018 Apr 25.

Authors

Linfeng Liang^{1

2}, Luyao Liu², Feilong Jiang², Caiping Liu², Daqiang Yuan², Qihui Chen², Dong Wu^{1

2}, Hai-Long Jiang¹, Maochun Hong^{1

2}

Affiliations

¹ Department of Chemistry , University of Science and Technology of China , Hefei , Anhui 230026 , People's Republic of China.
² State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350002 , People's Republic of China.

PMID: 29693386
DOI: 10.1021/acs.inorgchem.7b03076

Abstract

Considering rapidly rising Hg emission from industrial waste effluents, it is imperative to explore practical and effective adsorbents for Hg. Herein, a mild and facile method has been developed to confine ultrasmall In₂S₃ nanoparticles (about 2.5 nm) in the cavities of a MOF for the first time. The resulting composite (In₂S₃@MIL-101) can remove 99.95% of the Hg²⁺ from wastewater very efficiently in as short as 1 min with the highest distribution coefficient (2.2 × 10⁷ mL g^-1) among all MOF-based mercury adsorbents. It also displays excellent selectivity for Hg even when other interferential metal ions are present, and it can be reused with almost retained adsorption capacity. All of these features make the composite a potential adsorbent for Hg removal from industrial wastewater.