Volume 35, Issue 12 e6420
RESEARCH ARTICLE

Highly effective selectively removal of carcinogenic dyes and iodine adsorption and release via a metal–organic framework based on multiple helical chains

Xin Yu

Xin Yu

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, China

Contribution: Conceptualization (supporting), Data curation (lead), Formal analysis (lead)

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Mengfan Liu

Mengfan Liu

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, China

Contribution: Data curation (supporting), Formal analysis (supporting)

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Lijuan Feng

Lijuan Feng

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, China

Contribution: Conceptualization (supporting), Resources (supporting), Supervision (supporting), Validation (supporting)

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Shuo Yao

Corresponding Author

Shuo Yao

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, China

Correspondence

Shuo Yao, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.

Email: [email protected]

Yunling Liu, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.

Email: [email protected]

Contribution: Conceptualization (lead), Supervision (equal), Validation (equal)

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Yunling Liu

Corresponding Author

Yunling Liu

State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, China

Correspondence

Shuo Yao, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.

Email: [email protected]

Yunling Liu, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.

Email: [email protected]

Contribution: Conceptualization (equal), Supervision (lead), Validation (lead)

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First published: 26 August 2021
Citations: 1

Funding information: Shandong Province Natural Foundation of China, Grant/Award Number: ZR2019BB033; Fundamental Research Funds for the Central Universities of Ocean University of China, Grant/Award Number: 201813031; National Key Research and Development Program of China, Grant/Award Number: 2016YFB0701100; Higher Education Discipline Innovation Project, Grant/Award Numbers: B17020, D20015; National Natural Science Foundation of China, Grant/Award Numbers: 21771078, 21621001

Abstract

A novel porous metal–organic framework Cu-BCPPy based on a desymmetrized heterofunctional ligand 3,5-di(4-carboxyphenyl)pyridine has been successfully synthesized under solvothermal conditions. The framework possesses two sizes of 2D straight channels, which are constructed by one pair and three pairs of helixes, respectively. The distortion of the ligand leads to the structure exhibiting a new type of (3,6)-connected topology. According to the structural characteristic, Cu-BCPPy can effectively adsorb large carcinogenic organic dyes sudan III (SD III) and direct black 38 (DB 38) but exclude small molecular dyes. Hence, Cu-BCPPy exhibits effective and selective adsorption performance for the carcinogenic dye DB 38 on the equal proportional mixture dyes methyl orange (MO) and DB 38, fluorescein and DB 38, and basic red 2 (BR 2) and DB 38 with different sizes. In addition, Cu-BCPPy can be also provided with the characteristic of high iodine adsorption and release, which indicates that it is a promising candidate material for selectively adsorption and separation of many substances.

CONFLICT OF INTEREST

There are no conflicts to declare.

DATA AVAILABILITY STATEMENT

The data that support the findings of this study are available in the supporting information of this article.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.