Dense Dithiolene Units on Metal-Organic Frameworks for Mercury Removal and Superprotonic Conduction

He, Yonghe1,3; Dong, Jiale1; Liu, Zhiqing1; Li, Mu-Qing4; Hu, Jieying1; Zhou, Yan3; Xu, Zhengtao2; He, Jun1

2021-12-01

10.1021/acsami.1c20762

ACS Applied Materials & Interfaces   影响因子和分区

1944-8244

1944-8252

With 2-COOH and 4-SH donors all packed onto the benzene ring, tetrasulfanyl terephthalic acid (TST) is a simple yet fully equipped ligand to move the field of metal-coordination materials-it is now accomplished. The hard-soft carboxyl-thiol synergy is leveraged here in selectively bonding the carboxyl units to Zr(IV) ions to form the same cubic net of UiO-66 (this being based on the terephthalic linker)-with the free-standing dithiolene units equipping the grid of ZrTST. The 3D network of ZrTST averages about 7.6 connections [as in Zr6O4(OH)(4)(C8H4O4S4)(3.8)], with the other 4.4 sealed by acetate ions. The ZrTST solid is stable in boiling water (it is formed in water/acetic acid/ethane dithiol) and remains ordered even above 300 degrees C. The thiol-enabled ZrTST (powder) takes up mercury from water with a high distribution coefficient K-d (e.g., 1.2 x 10(6) mL.g(-1)); it also shows proton conductivity (1.9 x 10(-3) S.cm(-1) at 90 degrees C and 90% relative humidity), which, most notably, increases to a highest value of 3.7 x 10(-1) S.cm(-1) after oxidizing the -SH into the -SO3H groups.

dithiolene metal-organic framework heavy metal removal sulfonic proton conduction

SCI ; EI

英语

其他

National Natural Science Foundation of China[21871061] ; Foundation of Basic and Applied Basic Research of Guangdong Province[2020B1515120024] ; Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program[2017BT01Z032] ; Science and Technology Planning Project of Guangdong Province[2021A0505030066] ; Science and Technology Program of Guangzhou[201807010026] ; Guangdong Special Support Project[2019BT02X030] ; Research Grants Council of HKSAR[CityU 11307120] ; SRG grant of the City University of Hong Kong[7005607]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000737018300001

AMER CHEMICAL SOC

20220211440414

Crystalline materials ; Mercury (metal) ; Metal-Organic Frameworks ; Zirconium compounds

Metallurgy:531.1 ; Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals:549.3 ; Organic Compounds:804.1 ; Crystalline Solids:933.1

Web of Science

1.Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Guangdong, Peoples R China
2.City Univ Hong Kong, Dept Chem, Kowloon, Hong Kong, Peoples R China
3.Chinese Univ Hong Kong, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China
4.Southern Univ Sci & Technol, Shenzhen 518055, Peoples R China

He, Yonghe,Dong, Jiale,Liu, Zhiqing,et al. Dense Dithiolene Units on Metal-Organic Frameworks for Mercury Removal and Superprotonic Conduction[J]. ACS Applied Materials & Interfaces,2021,14(1):1070-1076.

He, Yonghe.,Dong, Jiale.,Liu, Zhiqing.,Li, Mu-Qing.,Hu, Jieying.,...&He, Jun.(2021).Dense Dithiolene Units on Metal-Organic Frameworks for Mercury Removal and Superprotonic Conduction.ACS Applied Materials & Interfaces,14(1),1070-1076.

He, Yonghe,et al."Dense Dithiolene Units on Metal-Organic Frameworks for Mercury Removal and Superprotonic Conduction".ACS Applied Materials & Interfaces 14.1(2021):1070-1076.