ArticleNature chemistry2026
Breaking the methanol/dimethyl carbonate azeotrope using a metal-organic framework with tetrahedral potassium-ion cluster gates.
Mu-Yang Zhou, Fang-Di Dong, Yue Yu, Xing-Yu Li, Wen-Yu Su, Zhi-Shuo Wang, Rui-Biao Lin, Dong-Dong Zhou, Jie-Peng Zhang, Xiao-Ming Chen
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In one paragraphArticle in Nature chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
Mu-Yang ZhouMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.
Fang-Di DongMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.
Yue YuMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.
Xing-Yu LiMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.
Wen-Yu SuMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.
Zhi-Shuo WangMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.
Rui-Biao LinMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China. linruibiao@mail.sysu.edu.cn.ORCID http://orcid.org/0000-0003-3267-220X Dong-Dong ZhouMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China. zhoudd3@mail.sysu.edu.cn.ORCID http://orcid.org/0000-0003-1105-8702 Jie-Peng ZhangMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China. zhangjp7@mail.sysu.edu.cn.ORCID http://orcid.org/0000-0002-2614-2774 Xiao-Ming ChenMOE Key Laboratory of Bioinorganic and Synthetic Chemistry, GBRCE for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China.ORCID http://orcid.org/0000-0002-3353-7918 Funding
National Natural Science Foundation of China (National Science Foundation of China) 22090061National Natural Science Foundation of China (National Science Foundation of China) 22231012National Natural Science Foundation of China (National Science Foundation of China) 22375221National Natural Science Foundation of China (National Science Foundation of China) 22475240State Key Laboratory of Catalysis (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics) 2024SKL-A-010
6 · The paper itselfAbstract
With the growing demand for high-purity dimethyl carbonate (DMC) in the battery industry, the separation of methanol (MeOH) and DMC azeotrope to achieve battery-grade purity (>99.99%) has become a pivotal bottleneck in the production of DMC. Here we design and synthesize an ionic metal-organic framework with tetrahedral potassium-ion clusters as pore gates that enables this separation. Although the ion cluster completely blocks the pore aperture, it permits MeOH transport through selective coordination bond reconstitution and cooperative deformation of the ion cluster. Benefiting from the ultrahigh MeOH/DMC selectivity (>3,300), high-purity DMC (>99.9999%) could be produced in a single adsorption process from an equimolar/azeotropic mixture of MeOH and DMC. This work presents a guest-binding counterion cluster gating mechanism different from conventional sieving of individual ions in porous materials, opening avenues for next-generation molecular sieves.
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