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Peer-reviewedCC BYScience Advances

Rational design of interfacial sp C─S─Zn hybridization in ZnS/graphdiyne for mercury vapor capture

  • Chuanqi Pan1
  • Jie Cui2
  • Z Xia1
  • Kaiyue Xu1
  • Yuan Yao3
  • Honghu Li2
  1. 1College of Environmental Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
  2. 2Research Center for Environment and Health, School of Information Engineering, Zhongnan University of Economics and Law, Wuhan, Hubei 430073, P. R. China
  3. 3Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
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Abstract

Capturing gaseous mercury (Hg 0 ) from complex flue gases remains a common yet persistent issue. Here, the one-step hydrothermal method is adopted to synthesize zinc sulfide/graphdiyne (ZnS/GDY) nano adsorbents for efficient Hg vapor capture via a rational design of sp C─S─Zn hybridization on the interface. The research results indicate that GDY can gain electrons from ZnS though sp C─S─Zn bonds, which facilitates charge transfer and induces the generation of highly active Hg adsorption sites near sulfur defects (S v ). The fabricated ZnS/GDY adsorbent can achieve a Hg 0 removal efficiency of 98% and exhibits excellent resistance to 1500 parts per million high-concentration sulfur dioxide (SO 2 ) constraints (maintaining a removal efficiency of 90.9%). Moreover, the commercial glass compound fiber filter (FMS) media coated with ZnS/GDY shows potential for application in bag filter systems. About 80% of Hg 0 can be removed by ZnS/GDY@FMS, even under conditions of high SO 2 concentration and in the presence of dust. Our work demonstrates that efficient Hg 0 removal efficiency under high-concentration SO 2 can be achieved by interfacial chemical bond engineering and provides guidance for functional carbon-based material design.

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Cite

BibTeXRIS
BibTeX
@article{pan2026rational,
  title = {{Rational design of interfacial sp C─S─Zn hybridization in ZnS/graphdiyne for mercury vapor capture}},
  author = {Chuanqi Pan and Jie Cui and Z Xia and Kaiyue Xu and Yuan Yao and Honghu Li},
  journal = {Science Advances},
  year = {2026},
  month = jun,
  doi = {10.1126/sciadv.aef9068},
  url = {https://doi.org/10.1126/sciadv.aef9068},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Rational design of interfacial sp C─S─Zn hybridization in ZnS/graphdiyne for mercury vapor capture
AU  - Chuanqi Pan
AU  - Jie Cui
AU  - Z Xia
AU  - Kaiyue Xu
AU  - Yuan Yao
AU  - Honghu Li
PY  - 2026
DA  - 2026/06/19
JO  - Science Advances
DO  - 10.1126/sciadv.aef9068
UR  - https://doi.org/10.1126/sciadv.aef9068
AB  - Capturing gaseous mercury (Hg 0 ) from complex flue gases remains a common yet persistent issue. Here, the one-step hydrothermal method is adopted to synthesize zinc sulfide/graphdiyne (ZnS/GDY) nano adsorbents for efficient Hg vapor capture via a rational design of sp C─S─Zn hybridization on the interface. The research results indicate that GDY can gain electrons from ZnS though sp C─S─Zn bonds, which facilitates charge transfer and induces the generation of highly active Hg adsorption sites near sulfur defects (S v ). The fabricated ZnS/GDY adsorbent can achieve a Hg 0 removal efficiency of 98% and exhibits excellent resistance to 1500 parts per million high-concentration sulfur dioxide (SO 2 ) constraints (maintaining a removal efficiency of 90.9%). Moreover, the commercial glass compound fiber filter (FMS) media coated with ZnS/GDY shows potential for application in bag filter systems. About 80% of Hg 0 can be removed by ZnS/GDY@FMS, even under conditions of high SO 2 concentration and in the presence of dust. Our work demonstrates that efficient Hg 0 removal efficiency under high-concentration SO 2 can be achieved by interfacial chemical bond engineering and provides guidance for functional carbon-based material design.
SN  - 2375-2548
ER  -