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Jang HJ, Yun G, Shim H, Hwang SY, Kim SY, Kim J, Jung H, Khan MM, Sohn Y. Ultraviolet Light-Assisted Decontamination of Chemical Warfare Agent Simulant 2-Chloroethyl Phenyl Sulfide on Metal-Loaded TiO 2/Ti Surfaces. ChemistryOpen 2024; 13:e202300246. [PMID: 38377228 PMCID: PMC11319225 DOI: 10.1002/open.202300246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/28/2024] [Indexed: 02/22/2024] Open
Abstract
The application of ultraviolet (UV) light for the decontamination of chemical warfare agents (CWAs) has gained recognition as an effective method, especially for treating hard-to-reach areas where wet chemical methods are impractical. In this study, TiO2/Ti was employed as a model catalyst, which was contaminated with 2-chloroethyl phenyl sulfide (CEPS), and subjected to photocatalytic decontamination using both UVB and UVC light. Additionally, photocatalytic decontamination efficiency by introducing Au, Pt, and Cu onto the TiO2/Ti surface was explored. During the photodecomposition process under UVC light, at least eight distinct secondary byproducts were identified. It was observed that the introduction of overlayer metals did not significantly enhance the photodecomposition under UVC light instead overlaid Au exhibited substantially improved activity under UVB light. Whereas, photodecomposition process under UVB light, only five secondary products were detected, including novel compounds with sulfoxide and sulfone functional groups. This novel study offers valuable insights into the generation of secondary products and sheds light on the roles of overlayer metals and photon wavelength in the photodecontamination process of CWA.
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Affiliation(s)
- Hye Ji. Jang
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
| | - Gaeun Yun
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
| | - Huieun Shim
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
| | - Seon Young Hwang
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
| | - So Young Kim
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
| | - Jeongkwon Kim
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
| | - Heesoo Jung
- Agency for Defense Development (ADD)Daejeon34186Republic of Korea
| | - Mohammad Mansoob Khan
- Chemical SciencesFaculty of ScienceUniversiti Brunei DarussalamJalan Tungku LinkGadongBE 1410Brunei Darussalam
| | - Youngku Sohn
- Department of ChemistryChungnam National UniversityDaejeon34134Republic of Korea
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2
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Hu X, Yang Y, Li N, Huang C, Zhou Y, Zhang L, Zhong Y, Liu Y, Wang Y. Interface-regulated S-type core-shell PCN-224@TiO 2 heterojunction for visible-light-driven generation of singlet oxygen for selective photooxidation of 2-chloroethyl ethyl sulfide. J Colloid Interface Sci 2024; 674:791-804. [PMID: 38955010 DOI: 10.1016/j.jcis.2024.06.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 06/22/2024] [Accepted: 06/26/2024] [Indexed: 07/04/2024]
Abstract
Selective oxidation of sulfur mustard gas (HD) to non-toxic sulfoxide by the visible-light-catalyzed generation of singlet oxygen (1O2) is a promising degradation strategy. Although PCN-224 can absorb visible light, it suffers from rapid electron-hole recombination and low redox capacity, which limits the performance of HD degradation. Titanium dioxide (TiO2) is an excellent photocatalyst but it lacks visible-light-activity in degrading HD. In this study, PCN-224@TiO2 heterojunction with S-type core-shell structure was synthesized by in-situ growth method to prolong the visible light absorption capacity of TiO2 and inhibit the rapid recombination of PCN-224. The interface formation and internal electric field were optimized by adjusting the Zr/Ti ratio to enhance the charge transfer, redox capacity, electron-hole separation, and visible light absorption. In this study, the formation of heterojunction composites based on Zr-O-Ti linkages is demonstrated by a series of characterization methods. It is demonstrated by experiments and theoretical calculations that PCN-224@TiO2 can generate nearly 100 % 1O2 under visible light conditions without a sacrificial agent, resulting in efficient and selective oxidation of 2-chloroethyl ethyl sulfide (CEES), a simulant of HD, to non-toxic sulfoxide form.
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Affiliation(s)
- Xin Hu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China; Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Ying Yang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Nan Li
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Chengcheng Huang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yunshan Zhou
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Lijuan Zhang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Yuxu Zhong
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China.
| | - Yanqin Liu
- Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Yao Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, PR China
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Prasad RR, Boyadjieva SS, Zhou G, Tan J, Firth FCN, Ling S, Huang Z, Cliffe MJ, Foster JA, Forgan RS. Modulated Self-Assembly of Catalytically Active Metal-Organic Nanosheets Containing Zr 6 Clusters and Dicarboxylate Ligands. ACS APPLIED MATERIALS & INTERFACES 2024; 16:17812-17820. [PMID: 38557002 PMCID: PMC11009912 DOI: 10.1021/acsami.4c00604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/08/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024]
Abstract
Two-dimensional metal-organic nanosheets (MONs) have emerged as attractive alternatives to their three-dimensional metal-organic framework (MOF) counterparts for heterogeneous catalysis due to their greater external surface areas and higher accessibility of catalytically active sites. Zr MONs are particularly prized because of their chemical stability and high Lewis and Brønsted acidities of the Zr clusters. Herein, we show that careful control over modulated self-assembly and exfoliation conditions allows the isolation of the first example of a two-dimensional nanosheet wherein Zr6 clusters are linked by dicarboxylate ligands. The hxl topology MOF, termed GUF-14 (GUF = Glasgow University Framework), can be exfoliated into monolayer thickness hns topology MONs, and acid-induced removal of capping modulator units yields MONs with enhanced catalytic activity toward the formation of imines and the hydrolysis of an organophosphate nerve agent mimic. The discovery of GUF-14 serves as a valuable example of the undiscovered MOF/MON structural diversity extant in established metal-ligand systems that can be accessed by harnessing the power of modulated self-assembly protocols.
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Affiliation(s)
- Ram R.
R. Prasad
- Department
of Chemistry, The University of Sheffield, Sheffield S3 7HF, U.K.
| | - Sophia S. Boyadjieva
- WestCHEM
School of Chemistry, University of Glasgow, Joseph Black Building, University
Avenue, Glasgow G12 8QQ, U.K.
| | - Guojun Zhou
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-10691, Sweden
| | - Jiangtian Tan
- Department
of Chemistry, The University of Sheffield, Sheffield S3 7HF, U.K.
| | - Francesca C. N. Firth
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Cambridge CB2 1EW, U.K.
| | - Sanliang Ling
- Advanced
Materials Research Group, Faculty of Engineering, University of Nottingham, University
Park, Nottingham NG7 2RD, U.K.
| | - Zhehao Huang
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-10691, Sweden
| | - Matthew J. Cliffe
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - Jonathan A. Foster
- Department
of Chemistry, The University of Sheffield, Sheffield S3 7HF, U.K.
| | - Ross S. Forgan
- WestCHEM
School of Chemistry, University of Glasgow, Joseph Black Building, University
Avenue, Glasgow G12 8QQ, U.K.
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Liu Y, Zhao S, Li Y, Huang J, Yang X, Wang J, Tao CA. Mechanically Enhanced Detoxification of Chemical Warfare Agent Simulants by a Two-Dimensional Piezoresponsive Metal-Organic Framework. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:559. [PMID: 38607094 PMCID: PMC11013765 DOI: 10.3390/nano14070559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/08/2024] [Accepted: 03/09/2024] [Indexed: 04/13/2024]
Abstract
Chemical warfare agents (CWAs) refer to toxic chemical substances used in warfare. Recently, CWAs have been a critical threat for public safety due to their high toxicity. Metal-organic frameworks have exhibited great potential in protecting against CWAs due to their high crystallinity, stable structure, large specific surface area, high porosity, and adjustable structure. However, the metal clusters of most reported MOFs might be highly consumed when applied in CWA hydrolysis. Herein, we fabricated a two-dimensional piezoresponsive UiO-66-F4 and subjected it to CWA simulant dimethyl-4-nitrophenyl phosphate (DMNP) detoxification under sonic conditions. The results show that sonication can effectively enhance the removal performance under optimal conditions; the reaction rate constant k was upgraded 45% by sonication. Moreover, the first-principle calculation revealed that the band gap could be further widened with the application of mechanical stress, which was beneficial for the generation of 1O2, thus further upgrading the detoxification performance toward DMNP. This work demonstrated that mechanical vibration could be introduced to CWA protection, but promising applications are rarely reported.
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Affiliation(s)
| | | | | | | | | | - Jianfang Wang
- College of Science, National University of Defense Technology, Changsha 430083, China; (Y.L.); (S.Z.); (Y.L.); (J.H.); (X.Y.)
| | - Cheng-an Tao
- College of Science, National University of Defense Technology, Changsha 430083, China; (Y.L.); (S.Z.); (Y.L.); (J.H.); (X.Y.)
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Tao CA, Wang B, Zhao H, Yang X, Huang J, Wang J. Starfruit-Shaped Zirconium Metal-Organic Frameworks: From 3D Intermediates to 2D Nanosheet Petals with Enhanced Catalytic Activity. Chemistry 2024; 30:e202302835. [PMID: 38116892 DOI: 10.1002/chem.202302835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/05/2023] [Accepted: 12/20/2023] [Indexed: 12/21/2023]
Abstract
We present the fabrication of a novel Starfruit-shaped metal-organic framework (SMOF) composed of zirconium and Tetra(4-carboxyphenyl)porphine linkers. The SMOF exhibits a unique morphology with edge-sharing two-dimensional (2D) nanosheet petals. Our investigation unravels a captivating transformation process, wherein three-dimensional (3D) shuttle-shaped MOFs form initially and subsequently evolve into 2D nanosheet-based SMOF structures. The distinct morphology of SMOF showcases superior catalytic activity in detoxifying G-type nerve agent and blister agent simulants, surpassing that of its 3D counterparts. This discovery of the 3D-to-2D transition growth pathway unlocks exciting opportunities for exploring novel strategies in advanced MOF nanostructure development, not only for catalysis but also for various other applications.
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Affiliation(s)
- Cheng-An Tao
- College of Science, National University of Defense Technology, Changsha, 410073, China
| | - Beibei Wang
- College of Science, National University of Defense Technology, Changsha, 410073, China
| | - He Zhao
- College of Science, National University of Defense Technology, Changsha, 410073, China
| | - Xuheng Yang
- College of Science, National University of Defense Technology, Changsha, 410073, China
| | - Jian Huang
- College of Science, National University of Defense Technology, Changsha, 410073, China
| | - Jianfang Wang
- College of Science, National University of Defense Technology, Changsha, 410073, China
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Zhang Y, Tao CA. Metal-Organic Framework Gels for Adsorption and Catalytic Detoxification of Chemical Warfare Agents: A Review. Gels 2023; 9:815. [PMID: 37888388 PMCID: PMC10606365 DOI: 10.3390/gels9100815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 10/28/2023] Open
Abstract
Chemical warfare agents (CWAs) have brought great threats to human life and social stability, and it is critical to investigate protective materials. MOF (metal-organic framework) gels are a class with an extended MOF architecture that are mainly formed using metal-ligand coordination as an effective force to drive gelation, and these gels combine the unique characteristics of MOFs and organic gel materials. They have the advantages of a hierarchically porous structure, a large specific surface area, machinable block structures and rich metal active sites, which inherently meet the requirements for adsorption and catalytic detoxification of CWAs. A series of advances have been made in the adsorption and catalytic detoxification of MOF gels as chemical warfare agents; however, overall, they are still in their infancy. This review briefly introduces the latest advances in MOF gels, including pure MOF gels and MOF composite gels, and discusses the application of MOF gels in the adsorption and catalytic detoxification of CWAs. Meanwhile, the influence of microstructures (pore structures, metal active site, etc.) on the detoxification performance of protective materials is also discussed, which is of great significance in the exploration of high-efficiency protective materials. Finally, the review looks ahead to next priorities. Hopefully, this review can inspire more and more researchers to enrich the performance of MOF gels for applications in chemical protection and other purification and detoxification processes.
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Affiliation(s)
| | - Cheng-An Tao
- College of Science, National University of Defense Technology, Changsha 410073, China;
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Wu MM, Su J, Luo D, Cai BC, Zheng ZL, Bin DS, Li YY, Zhou XP. Ultrafast Photocatalytic Detoxification of Mustard Gas Simulants by a Mesoporous Metal-Organic Framework with Dangling Porphyrin Molecules. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301050. [PMID: 37162490 DOI: 10.1002/smll.202301050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/23/2023] [Indexed: 05/11/2023]
Abstract
Developing effective catalysts to degrade chemical warfare agents is of great significance. Herein, a mesoporous MIL-101(Cr) composite material dangled with porphyrin molecules (denote as TCPP@MIL-101(Cr), TCPP = tetra(4-carboxyphenyl)porphyrin) is reported, which can be used as a heterogeneous photocatalyst for detoxification of mustard gas simulants 2-chloroethyl ethyl sulfide (CEES) to 2-chloroethyl ethyl sulfoxide (CEESO) with a half-life of 1 min. The catalytic performance of TCPP@MIL-101(Cr) is comparable to that of homogeneous molecular porphyrin. Mechanistic studies reveal that both 1 O2 and O2 •- are efficiently generated and play vital roles in the oxidation reaction. Gold nanoparticles (AuNPs) are attached to the TCPP@MIL-101(Cr) to further enhance the catalytic activity with a benchmark half-life of 45 s, which is the fastest record so far. A medical mask loaded TCPP@MIL-101(Cr) is fabricated for practical applications, which can selectively photoxidize CEES to CEESO under sunlight and air atmosphere, exhibiting the best degradation performance among the reported fabric-like composite materials.
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Affiliation(s)
- Ming-Min Wu
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
| | - Juan Su
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
| | - Dong Luo
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
| | - Bing-Chen Cai
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
| | - Ze-Lin Zheng
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
| | - De-Shan Bin
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
| | - Yan Yan Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou, 510632, P. R. China
| | - Xiao-Ping Zhou
- College of Chemistry and Materials Science, and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, P. R. China
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