1
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Rahimi FA, Singh A, Jena R, Dey A, Maji TK. GFP Chromophore Integrated Conjugated Microporous Polymers toward Bioinspired Photocatalytic CO 2 Reduction to CO. ACS APPLIED MATERIALS & INTERFACES 2024; 16:43171-43179. [PMID: 39135392 DOI: 10.1021/acsami.4c09906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
The development of highly active, durable, and low-cost metal-free catalysts for the photocatalytic CO2 reduction reaction (CO2RR) is an efficient and environmentally friendly solution to address significant problems like global warming and high energy demand. In the present study, we have demonstrated the design and synthesis of a donor-acceptor based conjugated microporous polymer (CMP), TPA-GFP, by integrating an electron donor, tris(4-ethynylphenyl)amine (TPA), with a green fluorescent protein chromophore analogue (Z)-4-(2-hydroxy-3,5-diiodobenzylidene)-1-(4-iodophenyl)-2-methyl-1H-imidazol-5(4H)-one (o-HBDI-I3) (GFP). In comparison to nondonor 1,3,5-triethynylbenzene (TEB) based TEB-GFP CMP, photocatalytic CO2 reduction using donor-acceptor based TPA-GFP CMP displays a 3-fold increment of CO production yield with a maximum CO yield of 1666 μmol g-1 at 12 h. Further, the CO selectivity increases significantly from a mere 54% in TEB-GFP to an impressive 95% in TPA-GFP. The impressive CO2 reduction efficiency and selectivity for TPA-GFP can be attributed to the efficient light-harvesting capability and facile charge separation and migration through donor-acceptor building units of the CMP. The mechanistic aspect of the photocatalytic CO2 reduction process is explored using in situ DRIFTS and DFT calculation, and a plausible photocatalytic mechanism is proposed.
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Affiliation(s)
| | | | | | | | - Tapas Kumar Maji
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
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2
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Xu S, Gao W, Lu J, Liang X, Xu K, Liang J, Li F, Liu J. An Ester-Functionalized Bidentate Titanium-based Metal-Organic Framework with Visible-Light Enhanced Activity for CO 2 Photoreduction. CHEMSUSCHEM 2024:e202400936. [PMID: 38873971 DOI: 10.1002/cssc.202400936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/04/2024] [Accepted: 06/11/2024] [Indexed: 06/15/2024]
Abstract
The limited visible light response is a critical drawback that hampers the photocatalytic efficacy of Ti-MOFs. However, study concerning the enhancement of the visible-light response of Ti-MOFs is still in its nascent stage. In this study, we employ the 'dual-ligand decrystallization strategy' to manipulate the electronic environment of Ti4+, leading to the synthesis of three ester-functionalized bidentate Ti-MOFs with enhanced visible light response. Our findings reveal that this approach not only reduces the bandgap of Ti-MOFs but also enhances their photocatalytic activity for carbon dioxide reduction. Specifically, compared to the bandgap of Ti-BPDC at 2.98 eV, the bandgap of Ti-BPDC-CA 1 : 2 has been reduced to 2.14 eV. Moreover, Ti-BPDC-CA 1 : 2 exhibits extraordinary photocatalytic activity with the formic acid (HCOOH) production rate of 617 μmol g-1 h-1 with over 99.5 % selectivity, which is 3.47 times higher than that of Ti-BPDC. Besides providing a cost-effective strategy for enhancing the visible light response of Ti-MOFs, our study also serves as an illustrative example for establishing the correlation between electronic structure and optical properties.
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Affiliation(s)
- Shiwen Xu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
| | - Wenqian Gao
- Leicester International Institute, Dalian University of Technology, 116024, Dalian, China
| | - Jun Lu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
| | - Xiaolong Liang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
| | - Ke Xu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
| | - Jing Liang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
| | - Fei Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
| | - Jinxuan Liu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 116024, Dalian, China
- Leicester International Institute, Dalian University of Technology, 116024, Dalian, China
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3
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Zhang W, Wang B, Cui H, Wan Q, Yi B, Yang H. Unveiling the exciton dissociation dynamics steered by built-in electric fields in conjugated microporous polymers for photoreduction of uranium (VI) from seawater. J Colloid Interface Sci 2024; 662:377-390. [PMID: 38359502 DOI: 10.1016/j.jcis.2024.02.073] [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: 11/13/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/17/2024]
Abstract
Developing highly efficient photocatalysts based on conjugated microporous polymers (CMPs) are often impeded by the intrinsically large exciton binding energy and sluggish charge transfer kinetics that result from their vulnerable driving force. Herein, a family of pyrene-based nitrogen-implanted CMPs were constructed, where the nitrogen gradient was regulated. Accordingly, the built-in electric field endowed by the nitrogen gradient dramatically accelerates the dissociation of exciton into free carriers, thereby enhancing charge separation efficiency. As a result, PyCMP-3N generated by polymerization of 1,3,6,8-tetrakis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrene and 2,4,6-tris(4-bromophenyl)-1,3,5-triazine featured an optimized built-in electric field and exhibited the highest photocatalytic removal efficiency of uranium (VI) (99.5 %). Our proposed strategy not only provides inspiration for constructing the built-in electric field by controlling nitrogen concentration gradients, but also offers an in-depth understanding the crucial role of built-in electric field in exciton dissociation and charge transfer, efficiently promoting CMPs photocatalysis.
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Affiliation(s)
- Weijie Zhang
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Bingxin Wang
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Haishuai Cui
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Quan Wan
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Bing Yi
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Hai Yang
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China.
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4
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Cho HH, Congrave DG, Gillett AJ, Montanaro S, Francis HE, Riesgo-Gonzalez V, Ye J, Chowdury R, Zeng W, Etherington MK, Royakkers J, Millington O, Bond AD, Plasser F, Frost JM, Grey CP, Rao A, Friend RH, Greenham NC, Bronstein H. Suppression of Dexter transfer by covalent encapsulation for efficient matrix-free narrowband deep blue hyperfluorescent OLEDs. NATURE MATERIALS 2024; 23:519-526. [PMID: 38480865 PMCID: PMC10990937 DOI: 10.1038/s41563-024-01812-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 01/18/2024] [Indexed: 03/21/2024]
Abstract
Hyperfluorescence shows great promise for the next generation of commercially feasible blue organic light-emitting diodes, for which eliminating the Dexter transfer to terminal emitter triplet states is key to efficiency and stability. Current devices rely on high-gap matrices to prevent Dexter transfer, which unfortunately leads to overly complex devices from a fabrication standpoint. Here we introduce a molecular design where ultranarrowband blue emitters are covalently encapsulated by insulating alkylene straps. Organic light-emitting diodes with simple emissive layers consisting of pristine thermally activated delayed fluorescence hosts doped with encapsulated terminal emitters exhibit negligible external quantum efficiency drops compared with non-doped devices, enabling a maximum external quantum efficiency of 21.5%. To explain the high efficiency in the absence of high-gap matrices, we turn to transient absorption spectroscopy. It is directly observed that Dexter transfer from a pristine thermally activated delayed fluorescence sensitizer host can be substantially reduced by an encapsulated terminal emitter, opening the door to highly efficient 'matrix-free' blue hyperfluorescence.
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Affiliation(s)
- Hwan-Hee Cho
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | - Daniel G Congrave
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK.
| | | | - Stephanie Montanaro
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Haydn E Francis
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
- The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Víctor Riesgo-Gonzalez
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
- The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Junzhi Ye
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | | | - Weixuan Zeng
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Marc K Etherington
- Department of Mathematics, Physics and Electrical Engineering, Northumbria University, Ellison Place, Newcastle upon Tyne, UK
| | - Jeroen Royakkers
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Oliver Millington
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Andrew D Bond
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Felix Plasser
- Department of Chemistry, Loughborough University, Loughborough, UK
| | | | - Clare P Grey
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
- The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, UK
| | - Akshay Rao
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | | | - Neil C Greenham
- Cavendish Laboratory, University of Cambridge, Cambridge, UK.
| | - Hugo Bronstein
- Cavendish Laboratory, University of Cambridge, Cambridge, UK.
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK.
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5
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Wang L, Wang L, Xu Y, Sun G, Nie W, Liu L, Kong D, Pan Y, Zhang Y, Wang H, Huang Y, Liu Z, Ren H, Wei T, Himeda Y, Fan Z. Schottky Junction and D-A 1 -A 2 System Dual Regulation of Covalent Triazine Frameworks for Highly Efficient CO 2 Photoreduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309376. [PMID: 37914405 DOI: 10.1002/adma.202309376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Indexed: 11/03/2023]
Abstract
Covalent triazine frameworks (CTFs) are emerging as a promising molecular platform for photocatalysis. Nevertheless, the construction of highly effective charge transfer pathways in CTFs for oriented delivery of photoexcited electrons to enhance photocatalytic performance remains highly challenging. Herein, a molecular engineering strategy is presented to achieve highly efficient charge separation and transport in both the lateral and vertical directions for solar-to-formate conversion. Specifically, a large π-delocalized and π-stacked Schottky junction (Ru-Th-CTF/RGO) that synergistically knits a rebuilt extended π-delocalized network of the D-A1 -A2 system (multiple donor or acceptor units, Ru-Th-CTF) with reduced graphene oxide (RGO) is developed. It is verified that the single-site Ru units in Ru-Th-CTF/RGO act as effective secondary electron acceptors in the lateral direction for multistage charge separation/transport. Simultaneously, the π-stacked and covalently bonded graphene is regarded as a hole extraction layer, accelerating the separation/transport of the photogenerated charges in the vertical direction over the Ru-Th-CTF/RGO Schottky junction with full use of photogenerated electrons for the reduction reaction. Thus, the obtained photocatalyst has an excellent CO2 -to-formate conversion rate (≈11050 µmol g-1 h-1 ) and selectivity (≈99%), producing a state-of-the-art catalyst for the heterogeneous conversion of CO2 to formate without an extra photosensitizer.
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Affiliation(s)
- Lu Wang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Lin Wang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yuankang Xu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Guangxun Sun
- College of Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Wenchao Nie
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Linghao Liu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Debin Kong
- College of New Energy, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yuan Pan
- College of Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yuheng Zhang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Hang Wang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yichao Huang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Zheng Liu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Hao Ren
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Tong Wei
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yuichiro Himeda
- Global Zero Emission Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, 305-8569, Japan
| | - Zhuangjun Fan
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
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6
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Chauhan M, Antil N, Rana B, Akhtar N, Thadhani C, Begum W, Manna K. Isoreticular Metal-Organic Frameworks Confined Mononuclear Ru-Hydrides Enable Highly Efficient Shape-Selective Hydrogenolysis of Polyolefins. JACS AU 2023; 3:3473-3484. [PMID: 38155638 PMCID: PMC10751774 DOI: 10.1021/jacsau.3c00633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/30/2023]
Abstract
Upcycling nonbiodegradable plastics such as polyolefins is paramount due to their ever-increasing demand and landfills after usage. Catalytic hydrogenolysis is highly appealing to convert polyolefins into targeted value-added products under mild reaction conditions compared with other methods, such as high-temperature incineration and pyrolysis. We have developed three isoreticular zirconium UiO-metal-organic frameworks (UiO-MOFs) node-supported ruthenium dihydrides (UiO-RuH2), which are efficient heterogeneous catalysts for hydrogenolysis of polyethylene at 200 °C, affording liquid hydrocarbons with a narrow distribution and excellent selectivity via shape-selective catalysis. UiO-66-RuH2 catalyzed hydrogenolysis of single-use low-density polyethylene (LDPE) produced a C12 centered narrow bell-shaped distribution of C8-C16 alkanes in >80% yield and 90% selectivity in the liquid phase. By tuning the pore sizes of the isoreticular UiO-RuH2 MOF catalysts, the distribution of the products could be systematically altered, affording different fuel-grade liquid hydrocarbons from LDPE in high yields. Our spectroscopic and theoretical studies and control experiments reveal that UiO-RuH2 catalysts enable highly efficient upcycling of plastic wastes under mild conditions owing to their unique combination of coordinatively unsaturated single-site Ru-active sites, uniform and tunable pores, well-defined porous structure, and superior stability. The kinetics and theoretical calculations also identify the C-C bond scission involving β-alkyl transfer as the turnover-limiting step.
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Affiliation(s)
- Manav Chauhan
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Neha Antil
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Bharti Rana
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Naved Akhtar
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Chhaya Thadhani
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Wahida Begum
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Kuntal Manna
- Department of Chemistry, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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7
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Jabbour R, Ashling CW, Robinson TC, Khan AH, Wisser D, Berruyer P, Ghosh AC, Ranscht A, Keen DA, Brunner E, Canivet J, Bennett TD, Mellot-Draznieks C, Lesage A, Wisser FM. Unravelling the Molecular Structure and Confining Environment of an Organometallic Catalyst Heterogenized within Amorphous Porous Polymers. Angew Chem Int Ed Engl 2023; 62:e202310878. [PMID: 37647152 DOI: 10.1002/anie.202310878] [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: 07/28/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/01/2023]
Abstract
The catalytic activity of multifunctional, microporous materials is directly linked to the spatial arrangement of their structural building blocks. Despite great achievements in the design and incorporation of isolated catalytically active metal complexes within such materials, a detailed understanding of their atomic-level structure and the local environment of the active species remains a fundamental challenge, especially when these latter are hosted in non-crystalline organic polymers. Here, we show that by combining computational chemistry with pair distribution function analysis, 129 Xe NMR, and Dynamic Nuclear Polarization enhanced NMR spectroscopy, a very accurate description of the molecular structure and confining surroundings of a catalytically active Rh-based organometallic complex incorporated inside the cavity of amorphous bipyridine-based porous polymers is obtained. Small, but significant, differences in the structural properties of the polymers are highlighted depending on their backbone motifs.
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Affiliation(s)
- Ribal Jabbour
- Centre de RMN à Très Hauts Champs, Université de Lyon (CNRS/ENS Lyon/UCB Lyon 1), 69100, Villeurbanne, France
| | - Christopher W Ashling
- Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge, CB3 0FS, UK
| | - Thomas C Robinson
- Centre de RMN à Très Hauts Champs, Université de Lyon (CNRS/ENS Lyon/UCB Lyon 1), 69100, Villeurbanne, France
| | - Arafat Hossain Khan
- Chair of Bioanalytical Chemistry, TU Dresden, Bergstraße 66, 01069, Dresden, Germany
| | - Dorothea Wisser
- Erlangen Center for Interface Research and Catalysis (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058, Erlangen, Germany
| | - Pierrick Berruyer
- Centre de RMN à Très Hauts Champs, Université de Lyon (CNRS/ENS Lyon/UCB Lyon 1), 69100, Villeurbanne, France
| | - Ashta C Ghosh
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626, Villeurbanne Cedex, France
| | - Alisa Ranscht
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626, Villeurbanne Cedex, France
| | - David A Keen
- ISIS Facility, Rutherford Appleton Laboratory, Harwell Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - Eike Brunner
- Chair of Bioanalytical Chemistry, TU Dresden, Bergstraße 66, 01069, Dresden, Germany
| | - Jérôme Canivet
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626, Villeurbanne Cedex, France
| | - Thomas D Bennett
- Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge, CB3 0FS, UK
| | - Caroline Mellot-Draznieks
- Laboratoire de Chimie des Processus Biologiques (LCPB), Collège de France, PSL Research University, CNRS Sorbonne Université, 11 Place Marcelin Berthelot, 75231, Paris Cedex 05, France
| | - Anne Lesage
- Centre de RMN à Très Hauts Champs, Université de Lyon (CNRS/ENS Lyon/UCB Lyon 1), 69100, Villeurbanne, France
| | - Florian M Wisser
- Erlangen Center for Interface Research and Catalysis (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058, Erlangen, Germany
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8
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Porous organic polymers: a progress report in China. Sci China Chem 2023. [DOI: 10.1007/s11426-022-1475-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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9
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Heuer J, Kuckhoff T, Li R, Landfester K, Ferguson CTJ. Tunable Photocatalytic Selectivity by Altering the Active Center Microenvironment of an Organic Polymer Photocatalyst. ACS APPLIED MATERIALS & INTERFACES 2023; 15:2891-2900. [PMID: 36594942 PMCID: PMC9869337 DOI: 10.1021/acsami.2c17607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
The favored production of one product over another is a major challenge in synthetic chemistry, reducing the formation of byproducts and enhancing atom efficacy. The formation of catalytic species that have differing reactivities based on the substrate being converted, has been targeted to selectively control reactions. Here, we report the production of photocatalytic self-assembled amphiphilic polymers, with either hydrophilic or hydrophobic microenvironments at the reactive center. Benzothiadiazole-based photocatalysts were polymerized into either the hydrophilic or the hydrophobic compartment of a diblock copolymer by RAFT polymerization. The difference in the reactivity of each microenvironment was dictated by the physical properties of the substrate. Stark differences in reactivity were observed for polar substrates, where a hydrophilic microenvironment was favored. Conversely, both microenvironments performed similarly for very hydrophobic substrates, showing that reagent partitioning is not the only factor that drives photocatalytic conversion. Furthermore, the use of secondary swelling solvents allowed an additional reagent exchange between the continuous phase and the heterogeneous photocatalyst, resulting in a significant 5-fold increase in conversion for a radical carbon-carbon coupling.
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Affiliation(s)
- Julian Heuer
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz55128, Germany
| | - Thomas Kuckhoff
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz55128, Germany
| | - Rong Li
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz55128, Germany
| | | | - Calum T. J. Ferguson
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz55128, Germany
- School
of Chemistry, University of Birmingham, Edgbaston, BirminghamB15 2TT, United
Kingdom
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10
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Takahashi M, Asatani T, Morimoto T, Kamakura Y, Fujii K, Yashima M, Hosokawa N, Tamaki Y, Ishitani O. Supramolecular multi-electron redox photosensitisers comprising a ring-shaped Re(i) tetranuclear complex and a polyoxometalate. Chem Sci 2023; 14:691-704. [PMID: 36741525 PMCID: PMC9848162 DOI: 10.1039/d2sc04252e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 11/30/2022] [Indexed: 12/02/2022] Open
Abstract
Redox photosensitisers (PSs) play essential roles in various photocatalytic reactions. Herein, we synthesised new redox PSs of 1 : 1 supramolecules that comprise a ring-shaped Re(i) tetranuclear complex with 4+ charges and a Keggin-type heteropolyoxometalate with 4- charges. These PSs photochemically accumulate multi-electrons in one molecule (three or four electrons) in the presence of an electron donor and can supply electrons with different reduction potentials. PSs were successfully applied in the photocatalytic reduction of CO2 using catalysts (Ru(ii) and Re(i) complexes) and triethanolamine as a reductant. In photocatalytic reactions, these supramolecular PSs supply a different number of electrons to the catalyst depending on the redox potential of the intermediate, which is made from the one-electron-reduced species of the catalyst and CO2. Based on these data, information on the reduction potentials of the intermediates was obtained.
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Affiliation(s)
- Maria Takahashi
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Tsuyoshi Asatani
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Tatsuki Morimoto
- School of Engineering, Tokyo University of Technology 1404-1 Katakura Hachioji Tokyo 192-0982 Japan
| | - Yoshinobu Kamakura
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Kotaro Fujii
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Masatomo Yashima
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Naoki Hosokawa
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Yusuke Tamaki
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
| | - Osamu Ishitani
- Department of Chemistry, School of Science, Tokyo Institute of Technology O-okayama 2-12-1-NE-1 Meguro-ku Tokyo 152-8550 Japan
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima 739 8526 Japan
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11
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Henrion M, Mohr Y, Janssens K, Smolders S, Bugaev AL, Usoltsev OA, Quadrelli EA, Wisser FM, De Vos DE, Canivet J. Reusable copper catechol‐based porous polymers for the highly efficient heterogeneous catalytic oxidation of secondary alcohols. ChemCatChem 2022. [DOI: 10.1002/cctc.202200649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mickaël Henrion
- KU Leuven: Katholieke Universiteit Leuven Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions BELGIUM
| | - Yorck Mohr
- IRCELYON: Institut de Recherches sur la Catalyse et l'Environnement de Lyon Catalyst and Process Engineering FRANCE
| | - Kwinten Janssens
- KU Leuven: Katholieke Universiteit Leuven Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions BELGIUM
| | - Simon Smolders
- KU Leuven: Katholieke Universiteit Leuven Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions BELGIUM
| | - Aram L. Bugaev
- Southern Federal University: Uznyj federal'nyj universitet The Smart Materials Research Institute RUSSIAN FEDERATION
| | - Oleg A. Usoltsev
- Southern Federal University: Uznyj federal'nyj universitet The Smart Materials Research Institute RUSSIAN FEDERATION
| | - Elsje Alessandra Quadrelli
- IRCELYON: Institut de Recherches sur la Catalyse et l'Environnement de Lyon Catalyst and Process Engineering FRANCE
| | - Florian Michael Wisser
- University of Regensburg: Universitat Regensburg Inorganic Chemistry Universitätsstraße 31 93053 Regensburg GERMANY
| | - Dirk E. De Vos
- KU Leuven: Katholieke Universiteit Leuven Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions BELGIUM
| | - Jérôme Canivet
- IRCELYON: Institut de Recherches sur la Catalyse et l'Environnement de Lyon Catalyst and Process Engineering FRANCE
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12
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Ding J, Tang Q, Fu Y, Zhang Y, Hu J, Li T, Zhong Q, Fan M, Kung HH. Core-Shell Covalently Linked Graphitic Carbon Nitride-Melamine-Resorcinol-Formaldehyde Microsphere Polymers for Efficient Photocatalytic CO 2 Reduction to Methanol. J Am Chem Soc 2022; 144:9576-9585. [PMID: 35623060 DOI: 10.1021/jacs.1c13301] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Photocatalytic reduction of CO2 with light and H2O to form CH3OH is a promising route to mitigate carbon emissions and climate changes. Although semiconducting metal oxides are potential photocatalysts for this reaction, low photon efficiency and leaching of environmentally unfriendly toxic metals limit their applicability. Here, we report metal-free, core-shell photocatalysts consisting of graphitic carbon nitride (g-C3N4, CN) covalently linked to melamine-resorcinol-formaldehyde (MRF) microsphere polymers for this reaction. Covalent linkage enabled efficient separation of photo-generated carriers and photocatalysis. Using 100 mg of a photocatalyst containing 15 wt % CN, a CH3OH yield of 0.99 μmol·h-1 was achieved at a reaction temperature of 80 °C and 0.5 MPa with external quantum efficiencies ranging from 5.5% at 380 nm to 1.7% at 550 nm. The yield was about 20 and 10 times higher than that of its components CN and MRF, respectively. Characterization with X-ray photoelectron spectroscopy, transmission electron microscopy, and bulk and surface elemental analyses supported the formation of a core-shell structure and the charge transfer in the C-N bond at the CN-MRF interface between the methoxy group in the 2,4-dihydroxylmethyl-1,3-diphenol part of MRF and the terminal amino groups in CN. This enhanced ligand-to-ligand charge transfer resulted in 67% of the photo-excited internal charge transferred from CN to the hydroxymethylamino group in MRF, whose amino group was the catalytic site for the CO2 photocatalytic reduction to CH3OH. This study provides a series of new metal-free photocatalyst designs and insights into the molecular-level structure-mediated photocatalytic response.
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Affiliation(s)
- Jie Ding
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China.,Department of Chemical Engineering and Department of Petroleum Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
| | - Qingli Tang
- University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Yanghe Fu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, Zhejiang 321004, PR China
| | - Yulong Zhang
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, PR China
| | - Juanmin Hu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Tong Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Qin Zhong
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Maohong Fan
- Department of Chemical Engineering and Department of Petroleum Engineering, University of Wyoming, Laramie, Wyoming 82071, United States.,School of Energy Resources, University of Wyoming, Laramie, Wyoming 82071, United States.,School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Harold H Kung
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
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13
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Verma P, Rahimi FA, Samanta D, Kundu A, Dasgupta J, Maji TK. Visible-Light-Driven Photocatalytic CO 2 Reduction to CO/CH 4 Using a Metal-Organic "Soft" Coordination Polymer Gel. Angew Chem Int Ed Engl 2022; 61:e202116094. [PMID: 35129254 DOI: 10.1002/anie.202116094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 12/11/2022]
Abstract
The self-assembly of a well-defined and astutely designed, low-molecular weight gelator (LMWG) based linker with a suitable metal ion is a promising method for preparing photocatalytically active coordination polymer gels. Here, we report the design, synthesis, and gelation behaviour of a tetrapodal LMWG based on a porphyrin core connected to four terpyridine units (TPY-POR) through amide linkages. The self-assembly of TPY-POR LMWG with RuII ions results in a Ru-TPY-POR coordination polymer gel (CPG), with a nanoscroll morphology. Ru-TPY-POR CPG exhibits efficient CO2 photoreduction to CO (3.5 mmol g-1 h-1 ) with >99 % selectivity in the presence of triethylamine (TEA) as a sacrificial electron donor. Interestingly, in the presence of 1-benzyl-1,4-dihydronicotinamide (BNAH) with TEA as the sacrificial electron donor, the 8e- /8H+ photoreduction of CO2 to CH4 is realized with >95 % selectivity (6.7 mmol g-1 h-1 ). In CPG, porphyrin acts as a photosensitizer and covalently attached [Ru(TPY)2 ]2+ acts as a catalytic center as demonstrated by femtosecond transient absorption (TA) spectroscopy. Further, combining information from the in situ DRIFT spectroscopy and DFT calculation, a possible reaction mechanism for CO2 reduction to CO and CH4 was outlined.
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Affiliation(s)
- Parul Verma
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Faruk Ahamed Rahimi
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Debabrata Samanta
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Arup Kundu
- Department of Chemical Sciences, Tata Institute of Fundamental Research (TIFR), Mumbai, 400005, India
| | - Jyotishman Dasgupta
- Department of Chemical Sciences, Tata Institute of Fundamental Research (TIFR), Mumbai, 400005, India
| | - Tapas Kumar Maji
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
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14
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Alves Fávaro M, Ditz D, Yang J, Bergwinkl S, Ghosh AC, Stammler M, Lorentz C, Roeser J, Quadrelli EA, Thomas A, Palkovits R, Canivet J, Wisser FM. Finding the Sweet Spot of Photocatalysis─A Case Study Using Bipyridine-Based CTFs. ACS APPLIED MATERIALS & INTERFACES 2022; 14:14182-14192. [PMID: 35293203 DOI: 10.1021/acsami.1c24713] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Covalent triazine frameworks (CTFs) are a class of porous organic polymers that continuously attract growing interest because of their outstanding chemical and physical properties. However, the control of extended porous organic framework structures at the molecular scale for a precise adjustment of their properties has hardly been achieved so far. Here, we present a series of bipyridine-based CTFs synthesized through polycondensation, in which the sequence of specific building blocks is well controlled. The reported synthetic strategy allows us to tailor the physicochemical features of the CTF materials, including the nitrogen content, the apparent specific surface area, and optoelectronic properties. Based on a comprehensive analytical investigation, we demonstrate a direct correlation of the CTF bipyridine content with the material features such as the specific surface area, band gap, charge separation, and surface wettability with water. The entirety of these parameters dictates the catalytic activity as demonstrated for the photocatalytic hydrogen evolution reaction (HER). The material with the optimal balance between optoelectronic properties and highest hydrophilicity enables HER production rates of up to 7.2 mmol/(h·g) under visible light irradiation and in the presence of a platinum cocatalyst.
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Affiliation(s)
- Marcelo Alves Fávaro
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626 Villeurbanne Cedex, France
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
| | - Daniel Ditz
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
| | - Jin Yang
- Fakultät II Institut für Chemie, Technische Universität Berlin, Hardenbergstrasse 40, 10623 Berlin, Germany
| | - Sebastian Bergwinkl
- Institute of Physical and Theoretical Chemistry, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany
| | - Ashta C Ghosh
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626 Villeurbanne Cedex, France
| | - Michael Stammler
- Institute of Inorganic Chemistry, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany
| | - Chantal Lorentz
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626 Villeurbanne Cedex, France
| | - Jérôme Roeser
- Fakultät II Institut für Chemie, Technische Universität Berlin, Hardenbergstrasse 40, 10623 Berlin, Germany
| | - Elsje Alessandra Quadrelli
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626 Villeurbanne Cedex, France
| | - Arne Thomas
- Fakultät II Institut für Chemie, Technische Universität Berlin, Hardenbergstrasse 40, 10623 Berlin, Germany
| | - Regina Palkovits
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
| | - Jérôme Canivet
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Avenue Albert Einstein, 69626 Villeurbanne Cedex, France
| | - Florian M Wisser
- Institute of Inorganic Chemistry, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany
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15
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Verma P, Rahimi FA, Samanta D, Kundu A, Dasgupta J, Maji TK. Visible‐Light‐Driven Photocatalytic CO
2
Reduction to CO/CH
4
Using a Metal–Organic “Soft” Coordination Polymer Gel. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Parul Verma
- Molecular Materials Laboratory School of Advanced Materials (SAMat) Chemistry and Physics of Materials Unit Jawaharlal Nehru Centre for Advanced Scientific Research Bangalore 560064 India
| | - Faruk Ahamed Rahimi
- Molecular Materials Laboratory School of Advanced Materials (SAMat) Chemistry and Physics of Materials Unit Jawaharlal Nehru Centre for Advanced Scientific Research Bangalore 560064 India
| | - Debabrata Samanta
- Molecular Materials Laboratory School of Advanced Materials (SAMat) Chemistry and Physics of Materials Unit Jawaharlal Nehru Centre for Advanced Scientific Research Bangalore 560064 India
| | - Arup Kundu
- Department of Chemical Sciences Tata Institute of Fundamental Research (TIFR) Mumbai 400005 India
| | - Jyotishman Dasgupta
- Department of Chemical Sciences Tata Institute of Fundamental Research (TIFR) Mumbai 400005 India
| | - Tapas Kumar Maji
- Molecular Materials Laboratory School of Advanced Materials (SAMat) Chemistry and Physics of Materials Unit Jawaharlal Nehru Centre for Advanced Scientific Research Bangalore 560064 India
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16
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Lan X, Wang J, Li Q, Wang A, Zhang Y, Yang X, Bai G. Acetylene/Vinylene-Bridged π-Conjugated Covalent Triazine Polymers for Photocatalytic Aerobic Oxidation Reactions under Visible Light Irradiation. CHEMSUSCHEM 2022; 15:e202102455. [PMID: 34962075 DOI: 10.1002/cssc.202102455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Solar-driven photocatalytic chemical transformation provides a sustainable strategy to produce valuable feedstock, but designing photocatalysts with high efficiency remains challenging. Herein, two acetylene- or vinylene-bridged π-conjugated covalent triazine polymers, A-CTP-DPA and V-CTP-DPE, were successfully fabricated toward metal-free photocatalytic oxidation under visible light irradiation. Compared to the one without acetylene or vinylene bridge, both resulting polymers exhibited superior activity in photocatalytic selective oxidation of sulfides and oxidative coupling of amines; in particular, A-CTP-DPA delivered an optimal photocatalytic performance. The superior activity was attributed to the broadened spectral response range, effective separation, rapid transportation of photogenerated charge carriers, and abundant active sites for photogenerated electrons due to the existence of the acetylene bridge in the framework. This work highlights the potential of acetylene and vinylene bridges in tuning catalytic efficiency of organic semiconductors, providing a guideline for the design of efficient photocatalysts.
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Affiliation(s)
- Xingwang Lan
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
| | - Juan Wang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
| | - Qing Li
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
| | - Aiqing Wang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
| | - Yize Zhang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
| | - Xianheng Yang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
| | - Guoyi Bai
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei, 071002, P.R. China
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17
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Dumele O, Đorđević L, Sai H, Cotey TJ, Sangji MH, Sato K, Dannenhoffer AJ, Stupp SI. Photocatalytic Aqueous CO 2 Reduction to CO and CH 4 Sensitized by Ullazine Supramolecular Polymers. J Am Chem Soc 2022; 144:3127-3136. [PMID: 35143726 DOI: 10.1021/jacs.1c12155] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
There has been rapid progress on the chemistry of supramolecular scaffolds that harness sunlight for aqueous photocatalytic production of hydrogen. However, great efforts are still needed to develop similar photosynthetic systems for the great challenge of CO2 reduction especially if they avoid the use of nonabundant metals. This work investigates the synthesis of supramolecular polymers capable of sensitizing catalysts that require more negative potentials than proton reduction. The monomers are chromophore amphiphiles based on a diareno-fused ullazine core that undergo supramolecular polymerization in water to create entangled nanoscale fibers. Under 450 nm visible light these fibers sensitize a dinuclear cobalt catalyst for CO2 photoreduction to generate carbon monoxide and methane using a sacrificial electron donor. The supramolecular photocatalytic system can generate amounts of CH4 comparable to those obtained with a precious metal-based [Ru(phen)3](PF6)2 sensitizer and, in contrast to Ru-based catalysts, retains photocatalytic activity in all aqueous media over 6 days. The present study demonstrates the potential of tailored supramolecular polymers as renewable energy and sustainability materials.
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Affiliation(s)
- Oliver Dumele
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Luka Đorđević
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States.,Center for Bio-Inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois 60611, United States
| | - Hiroaki Sai
- Center for Bio-Inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Thomas J Cotey
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - M Hussain Sangji
- Center for Bio-Inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Kohei Sato
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois 60611, United States
| | - Adam J Dannenhoffer
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Samuel I Stupp
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States.,Center for Bio-Inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois 60611, United States.,Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States.,Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, United States.,Department of Medicine, Northwestern University, Chicago, Illinois 60611, United States
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18
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Chen S, Liao M, Li X, Li R, Zhang J, Zhang Y, Peng T. Metal center regulation of the porphyrin unit in covalent organic polymers for boosting the photocatalytic CO 2 reduction activity. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01473d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Regulating the porphyrin's metal center of metalloporphyrin(MPor)/Ru(ii)-pincer complex(RuN3) covalent organic polymers (COPs) effectively boosted the CO2 photoreduction by promoting charge separation and sacrificial electron donor oxidation.
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Affiliation(s)
- Shengtao Chen
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan 430072, PR China
| | - Meijing Liao
- College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Xinming Li
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan 430072, PR China
| | - Renjie Li
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan 430072, PR China
| | - Jing Zhang
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan 430072, PR China
| | - Yuexing Zhang
- College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Tianyou Peng
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Wuhan University, Wuhan 430072, PR China
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19
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Newar R, Kalita R, Akhtar N, Antil N, Chauhan M, Manna K. N-Formylation of amines utilizing CO 2 by a heterogeneous metal–organic framework supported single-site cobalt catalyst. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01231f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Single-site cobalt-hydride supported on oxo-nodes of a porous aluminium metal–organic framework is a chemoselective and reusable catalyst for N-formylation of amines using CO2.
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Affiliation(s)
- Rajashree Newar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Rahul Kalita
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Naved Akhtar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Neha Antil
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Manav Chauhan
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Kuntal Manna
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
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20
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Lai H, Zeng X, Song T, Yin S, Long B, Ali A, Deng GJ. Fast synthesis of porous iron doped CeO 2 with oxygen vacancy for effective CO 2 photoreduction. J Colloid Interface Sci 2021; 608:1792-1801. [PMID: 34742088 DOI: 10.1016/j.jcis.2021.10.064] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 01/10/2023]
Abstract
The activity of photocatalytic CO2 conversion to carbon-containing products is determined by the adsorption and activation of CO2 molecules on the surface of catalyst. Here, iron doped porous CeO2 with oxygen vacancy (PFeCe) was prepared by one-step combustion method. The amount of CO2 adsorbed via using the porous structure has been significantly increased in the case of a relatively small specific surface area and CO2 molecules are more easily captured and undergo a reduction reaction with photoinduced carriers. In addition, oxygen vacancies are formed in the iron doped CeO2 lattice as the active sites for CO2 reduction, which can form strong interactions with CO2 molecules, thereby effectively activating CO2 molecules. The reduction products of CO2 over PFeCe composite are CO and CH4, which is approximately 9.0 and 7.7 folds than that of CeO2. This work offers insights for the construction of efficient ceria-based photocatalysts to further achieve robust solar CO2 conversion.
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Affiliation(s)
- Haiwei Lai
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Xiangdong Zeng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Ting Song
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China.
| | - Shiheng Yin
- Analytical and Testing Center, South China University of Technology, Guangzhou 510640, PR China
| | - Bei Long
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Atif Ali
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Guo-Jun Deng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China.
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21
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Yan Z, Zhang F, Liu X, Liu L, Si Y, Yu J, Zhang P, Ding B. Molecular Cage-Mediated Radial Gradient Porous Sponge Nanofiber for Selective Adsorption of a Mustard Gas Simulant. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47835-47844. [PMID: 34559509 DOI: 10.1021/acsami.1c09849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Poisons and poisonous weapons in armed conflict, especially chemical warfare agents (CWAs), pose serious threats to global security. Porous materials have recently been regarded as promising candidates to defend personnel in a CWA-contaminated environment, but challenges remain for integrating these materials into protective garments without sacrificing the intrinsic flexibility of fibers. Here, we report a rigid-flexible coupling hypercross-linking methodology to create flexible sponge-like nanofibers featuring hierarchical radial gradient porous nanoarchitectures, in which the inner structure is a mesoporous multichambered network, and the outer structure is a dense domain with a microporous network structure. Experimental and computational evidence supports the contention that sponge nanofibers with distinctive pore topology and robust bendability can be designed by manipulating the flexibility of building blocks. The resulting heterogeneous nanofibers exhibit integrated properties of spatially selective superstructures, abundant micropores, interconnected mesopores, a high surface area (579 m2 g-1), remarkable flexibility, and exceptional CWA affinity, which are extraordinarily effective for adsorptive performance (498 mg g-1). The successful synthesis of these materials might inspire the development of chemical protective materials in an efficient, self-standing, and structurally adaptive form.
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Affiliation(s)
- Zishuo Yan
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Feng Zhang
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Xiaoyan Liu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Liu Liu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Yang Si
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Peng Zhang
- State Center for International Cooperation on Designer Low-carbon & Environmental Materials, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Bin Ding
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
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22
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Barman S, Singh A, Rahimi FA, Maji TK. Metal-Free Catalysis: A Redox-Active Donor-Acceptor Conjugated Microporous Polymer for Selective Visible-Light-Driven CO 2 Reduction to CH 4. J Am Chem Soc 2021; 143:16284-16292. [PMID: 34547209 DOI: 10.1021/jacs.1c07916] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Achieving more than a two-electron photochemical CO2 reduction process using a metal-free system is quite exciting and challenging, as it needs proper channeling of electrons. In the present study, we report the rational design and synthesis of a redox-active conjugated microporous polymer (CMP), TPA-PQ, by assimilating an electron donor, tris(4-ethynylphenyl)amine (TPA), with an acceptor, phenanthraquinone (PQ). The TPA-PQ shows intramolecular charge-transfer (ICT)-assisted catalytic activity for visible-light-driven photoreduction of CO2 to CH4 (yield = 32.2 mmol g-1) with an impressive rate (2.15 mmol h-1 g-1) and high selectivity (>97%). Mechanistic analysis based on experimental results, in situ DRIFTS, and computational studies reveals that the potential of TPA-PQ for catalyzing photoreduction of CO2 to CH4 was energetically driven by photoactivated ICT upon surface adsorption of CO2, wherein adjacent keto groups of PQ unit play a pivotal role. The critical role of ICT for stimulating photocatalysis is further illustrated by synthesizing another redox-active CMP (TEB-PQ), bearing triethynylbenzene (TEB) and PQ, that shows 8-fold lesser activity for photoreduction toward CO2 to CH4 (yield = 4.4 mmol g-1) as compared to TPA-PQ. The results demonstrate a novel concept for CO2 photoreduction to CH4 using an efficient, sustainable, and recyclable metal-free robust organic photocatalyst.
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Affiliation(s)
- Soumitra Barman
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
| | - Ashish Singh
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
| | - Faruk Ahamed Rahimi
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
| | - Tapas Kumar Maji
- Molecular Materials Laboratory, School of Advanced Materials (SAMat), Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
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Du J, Ouyang H, Tan B. Porous Organic Polymers for Catalytic Conversion of Carbon Dioxide. Chem Asian J 2021; 16:3833-3850. [PMID: 34605613 DOI: 10.1002/asia.202100991] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/01/2021] [Indexed: 01/07/2023]
Abstract
To overcome the challenges of global warming and environmental pollution, it is necessary to reduce the concentration of carbon dioxide (CO2 ) in the atmosphere, which is mainly accumulated in the air through the burning of fossil fuels. Therefore, the development of environmentally friendly strategies to capture carbon dioxide and convert it into value-added products offers a promising way forward for reducing carbon dioxide concentration in the atmosphere. In this context, POPs (porous organic polymers) have shown great potential as CO2 selective adsorbents due to their high specific surface area, chemical stability, nanoscale porosity and structural diversity, as well as POPs based heterogeneous catalysts for CO2 conversion. This review provides a concise account of preparation methods of various POPs, challenges and current development trends of POPs in photocatalytic CO2 reduction, electrocatalytic CO2 reduction and chemical CO2 conversion.
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Affiliation(s)
- Jing Du
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037#, Hongshan District, Wuhan, 430074, P. R. China
| | - Huang Ouyang
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037#, Hongshan District, Wuhan, 430074, P. R. China
| | - Bien Tan
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037#, Hongshan District, Wuhan, 430074, P. R. China
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Antil N, Akhtar N, Newar R, Begum W, Kumar A, Chauhan M, Manna K. Chiral Iron(II)-Catalysts within Valinol-Grafted Metal–Organic Frameworks for Enantioselective Reduction of Ketones. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02529] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Neha Antil
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Naved Akhtar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Rajashree Newar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Wahida Begum
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Ajay Kumar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Manav Chauhan
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Kuntal Manna
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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25
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A Superficial Intramolecular Alignment of Carbon Nitride through Conjugated Monomer for Optimized Photocatalytic CO2 Reduction. Catalysts 2021. [DOI: 10.3390/catal11080935] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
One of the most frequent ways to widen the adsorption range of carbon nitride (CN) is to add a well-known photosensitizer into its basic structure. So far, such attachments have been accomplished by using weak van der Waals forces. However, using strong covalent bonding to attach such photosensitizer with CN is yet to be determined. Here, for the first time, we covalently bonded porphyrin (5,10,15,20-tetrakis(4-(2,4-diamino-1,3,5-triazinyl) phenyl)-Porphyrin (TDP)), a renowned photosensitizer, effectively with CN by thermally balanced molecular strategy. A photoreaction system was set up for the deoxygenated conversion of CO2 to CO under visible light, where cobalt acted as a redox controller to speed up the charge transportation, while CN-TDP worked as a CO2 activating photocatalyst. The subsequent photocatalyst has a broader absorbance range, a greater specific surface area, and intramolecular organic connections that help to decrease the electron-hole pairs’ recombination rate. Furthermore, the average weight ratio between urea and TDP was well-tuned, resulting in a fantastic CO2 photoconversion for CN-TDP7.0 compared to the blank sample. This substantial increase in photocatalytic activity predicts a significant shift in CN’s specific surface area, band gap, chemical composition, and structure, as well as the efficient separation of photogenerated charge carriers from the ground state (HOMO) to the excited state (LUMO), making it a top candidate for CO2 photoreduction. At the same time, this approach paves the path for the bottom-up fabrication of carbon nitride nanosheets.
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Chen J, Zhong H, Lv H, Liu R, Wang R. Regulating Utilization Efficiency of the Photogenerated Charge Carriers by Constructing Donor-π-Acceptor Polymers for Upgrading Photocatalytic CO 2 Reduction. CHEMSUSCHEM 2021; 14:2749-2756. [PMID: 33963683 DOI: 10.1002/cssc.202100772] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/06/2021] [Indexed: 06/12/2023]
Abstract
Photocatalytic CO2 reduction offers a promising approach for managing global carbon balance. The smooth delivery of the photoexcited electrons to the active sites without the extra photosensitizers is still challenging. Herein, a series of donor-π-acceptor conjugated organic polymers (COPs) were produced using anthracene, cobalt-coordinated bipyridyl, and benzene as donor, acceptor, and π linker units, respectively. The introduction of phenyl linker significantly improved the activities of photocatalytic CO2 reduction upon visible light illumination. Structure-performance relationship examinations uncovered that donor-π-acceptor structure promotes mobility of charge carriers and utilization efficiency on the catalytically active sites, resulting in high photocatalytic activity and durability for CO2 photoreduction. The in-depth insights into the electron transport processes open new perspectives for further optimization and rational design of photoactive polymers with high efficiency for solar-energy conversion.
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Affiliation(s)
- Jinqing Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350007, Fuzhou, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Hong Zhong
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350007, Fuzhou, P. R. China
| | - Haowei Lv
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350007, Fuzhou, P. R. China
| | - Ruixia Liu
- Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Ruihu Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350007, Fuzhou, P. R. China
- Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Xu Z, Cui Y, Young DJ, Wang J, Li HY, Bian GQ, Li HX. Combination of Co2+-immobilized covalent triazine framework and TiO2 by covalent bonds to enhance photoreduction of CO2 to CO with H2O. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Antil N, Kumar A, Akhtar N, Newar R, Begum W, Manna K. Metal-Organic Framework-Confined Single-Site Base-Metal Catalyst for Chemoselective Hydrodeoxygenation of Carbonyls and Alcohols. Inorg Chem 2021; 60:9029-9039. [PMID: 34085831 DOI: 10.1021/acs.inorgchem.1c01008] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Chemoselective deoxygenation of carbonyls and alcohols using hydrogen by heterogeneous base-metal catalysts is crucial for the sustainable production of fine chemicals and biofuels. We report an aluminum metal-organic framework (DUT-5) node support cobalt(II) hydride, which is a highly chemoselective and recyclable heterogeneous catalyst for deoxygenation of a range of aromatic and aliphatic ketones, aldehydes, and primary and secondary alcohols, including biomass-derived substrates under 1 bar H2. The single-site cobalt catalyst (DUT-5-CoH) was easily prepared by postsynthetic metalation of the secondary building units (SBUs) of DUT-5 with CoCl2 followed by the reaction of NaEt3BH. X-ray photoelectron spectroscopy and X-ray absorption near-edge spectroscopy (XANES) indicated the presence of CoII and AlIII centers in DUT-5-CoH and DUT-5-Co after catalysis. The coordination environment of the cobalt center of DUT-5-Co before and after catalysis was established by extended X-ray fine structure spectroscopy (EXAFS) and density functional theory. The kinetic and computational data suggest reversible carbonyl coordination to cobalt preceding the turnover-limiting step, which involves 1,2-insertion of the coordinated carbonyl into the cobalt-hydride bond. The unique coordination environment of the cobalt ion ligated by oxo-nodes within the porous framework and the rate independency on the pressure of H2 allow the deoxygenation reactions chemoselectively under ambient hydrogen pressure.
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Affiliation(s)
- Neha Antil
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Ajay Kumar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Naved Akhtar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Rajashree Newar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Wahida Begum
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Kuntal Manna
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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Yuan L, Qi MY, Tang ZR, Xu YJ. Coupling Strategy for CO 2 Valorization Integrated with Organic Synthesis by Heterogeneous Photocatalysis. Angew Chem Int Ed Engl 2021; 60:21150-21172. [PMID: 33908154 DOI: 10.1002/anie.202101667] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Indexed: 11/10/2022]
Abstract
Photocatalytic reduction of CO2 to solar fuels and/or fine chemicals is a promising way to increase the energy supply and reduce greenhouse gas emissions. However, the conventional reaction system for CO2 photoreduction with pure H2 O or sacrificial agents usually suffers from low catalytic efficiency, poor stability, or cost-ineffective atom economy. A recent surge of developments, in which photocatalytic CO2 valorization is integrated with selective organic synthesis into one reaction system, indicates an efficient modus operandi that enables sufficient utilization of photogenerated electrons and holes to achieve the goals for sustainable economic and social development. In this Review we discuss current advances in cooperative photoredox reaction systems that integrate CO2 valorization with organics upgrading based on heterogeneous photocatalysis. The applications and virtues of this strategy and the underlying reaction mechanisms are discussed. The ongoing challenges and prospects in this area are critically discussed.
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Affiliation(s)
- Lan Yuan
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China.,College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
| | - Ming-Yu Qi
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
| | - Zi-Rong Tang
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
| | - Yi-Jun Xu
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, China
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30
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Yuan L, Qi M, Tang Z, Xu Y. Coupling Strategy for CO
2
Valorization Integrated with Organic Synthesis by Heterogeneous Photocatalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101667] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lan Yuan
- School of Chemistry and Chemical Engineering Wuhan University of Science and Technology Wuhan 430081 China
- College of Chemistry State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou University Fuzhou 350116 China
| | - Ming‐Yu Qi
- College of Chemistry State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou University Fuzhou 350116 China
| | - Zi‐Rong Tang
- College of Chemistry State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou University Fuzhou 350116 China
| | - Yi‐Jun Xu
- College of Chemistry State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou University Fuzhou 350116 China
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31
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Newar R, Akhtar N, Antil N, Kumar A, Shukla S, Begum W, Manna K. Amino Acid‐Functionalized Metal‐Organic Frameworks for Asymmetric Base–Metal Catalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rajashree Newar
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Naved Akhtar
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Neha Antil
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Ajay Kumar
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Sakshi Shukla
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Wahida Begum
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
| | - Kuntal Manna
- Department of Chemistry Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India
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32
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Newar R, Akhtar N, Antil N, Kumar A, Shukla S, Begum W, Manna K. Amino Acid-Functionalized Metal-Organic Frameworks for Asymmetric Base-Metal Catalysis. Angew Chem Int Ed Engl 2021; 60:10964-10970. [PMID: 33539670 DOI: 10.1002/anie.202100643] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Indexed: 11/07/2022]
Abstract
We report a strategy to develop heterogeneous single-site enantioselective catalysts based on naturally occurring amino acids and earth-abundant metals for eco-friendly asymmetric catalysis. The grafting of amino acids within the pores of a metal-organic framework (MOF), followed by post-synthetic metalation with iron precursor, affords highly active and enantioselective (>99 % ee for 10 examples) catalysts for hydrosilylation and hydroboration of carbonyl compounds. Impressively, the MOF-Fe catalyst displayed high turnover numbers of up to 10 000 and was recycled and reused more than 15 times without diminishing the enantioselectivity. MOF-Fe displayed much higher activity and enantioselectivity than its homogeneous control catalyst, likely due to the formation of robust single-site catalyst in the MOF through site-isolation.
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Affiliation(s)
- Rajashree Newar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Naved Akhtar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Neha Antil
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Ajay Kumar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Sakshi Shukla
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Wahida Begum
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Kuntal Manna
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
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Schukraft GEM, Woodward RT, Kumar S, Sachs M, Eslava S, Petit C. Hypercrosslinked Polymers as a Photocatalytic Platform for Visible-Light-Driven CO 2 Photoreduction Using H 2 O. CHEMSUSCHEM 2021; 14:1720-1727. [PMID: 33428301 PMCID: PMC8048809 DOI: 10.1002/cssc.202002824] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/17/2020] [Indexed: 06/02/2023]
Abstract
The design of robust, high-performance photocatalysts is key for the success of solar fuel production by CO2 conversion. In this study, hypercrosslinked polymer (HCP) photocatalysts have been developed for the selective reduction of CO2 to CO, combining excellent CO2 sorption capacities, good general stabilities, and low production costs. HCPs are active photocatalysts in the visible light range, significantly outperforming the benchmark material, TiO2 P25, using only sacrificial H2 O. It is hypothesized that superior H2 O adsorption capacities facilitate access to photoactive sites, improving photocatalytic conversion rates when compared to sacrificial H2 . These polymers are an intriguing set of organic photocatalysts, displaying no long-range order or extended π-conjugation. The as-synthesized networks are the sole photocatalytic component, requiring no added cocatalyst doping or photosensitizer, representing a highly versatile and exciting platform for solar-energy conversion.
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Affiliation(s)
- Giulia E. M. Schukraft
- Barrer CentreDepartment of Chemical EngineeringSouth Kensington CampusImperial College LondonLondonSW7 2AZUK
| | - Robert T. Woodward
- Barrer CentreDepartment of Chemical EngineeringSouth Kensington CampusImperial College LondonLondonSW7 2AZUK
- Current address: Institute of Materials Chemistry and Research, Faculty of ChemistryUniversity of ViennaWähringer Straße 421090ViennaAustria
| | - Santosh Kumar
- Department of Chemical EngineeringImperial College LondonLondonSW7 2AZUK
| | - Michael Sachs
- Department of ChemistryWhite City CampusImperial College LondonLondonW12 0BZUK
| | - Salvador Eslava
- Department of Chemical EngineeringImperial College LondonLondonSW7 2AZUK
| | - Camille Petit
- Barrer CentreDepartment of Chemical EngineeringSouth Kensington CampusImperial College LondonLondonSW7 2AZUK
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Mohr Y, Alves-Favaro M, Rajapaksha R, Hisler G, Ranscht A, Samanta P, Lorentz C, Duguet M, Mellot-Draznieks C, Quadrelli EA, Wisser FM, Canivet J. Heterogenization of a Molecular Ni Catalyst within a Porous Macroligand for the Direct C–H Arylation of Heteroarenes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00209] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yorck Mohr
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Marcelo Alves-Favaro
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Rémy Rajapaksha
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Gaëlle Hisler
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Alisa Ranscht
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Partha Samanta
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Chantal Lorentz
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Mathis Duguet
- Laboratoire de Chimie des Processus Biologiques (LCPB) Collège de France, PSL Research University, CNRS Sorbonne Université, 11 Place Marcelin Berthelot, 75231 Paris, Cedex 05, France
| | - Caroline Mellot-Draznieks
- Laboratoire de Chimie des Processus Biologiques (LCPB) Collège de France, PSL Research University, CNRS Sorbonne Université, 11 Place Marcelin Berthelot, 75231 Paris, Cedex 05, France
| | - Elsje Alessandra Quadrelli
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
| | - Florian M. Wisser
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
- Institute of Inorganic Chemistry, University of Regensburg, 93040 Regensburg, Germany
| | - Jérôme Canivet
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France
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35
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Cheng Y, Ding X, Han B. Porous Organic Polymers for Photocatalytic Carbon Dioxide Reduction. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202000298] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yuan‐Zhe Cheng
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- University of Chinese Academy of Science Beijing 100049 China
| | - Xuesong Ding
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
| | - Bao‐Hang Han
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- University of Chinese Academy of Science Beijing 100049 China
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He Y, Li C, Chen X, Rao H, Shi Z, Feng S. Critical Aspects of Metal-Organic Framework-Based Materials for Solar-Driven CO 2 Reduction into Valuable Fuels. GLOBAL CHALLENGES (HOBOKEN, NJ) 2021; 5:2000082. [PMID: 33552555 PMCID: PMC7857132 DOI: 10.1002/gch2.202000082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 11/08/2020] [Indexed: 06/12/2023]
Abstract
Photoreduction of CO2 into value-added fuels is one of the most promising strategies for tackling the energy crisis and mitigating the "greenhouse effect." Recently, metal-organic frameworks (MOFs) have been widely investigated in the field of CO2 photoreduction owing to their high CO2 uptake and adjustable functional groups. The fundamental factors and state-of-the-art advancements in MOFs for photocatalytic CO2 reduction are summarized from the critical perspectives of light absorption, carrier dynamics, adsorption/activation, and reaction on the surface of photocatalysts, which are the three main critical aspects for CO2 photoreduction and determine the overall photocatalytic efficiency. In view of the merits of porous materials, recent progress of three other types of porous materials are also briefly summarized, namely zeolite-based, covalent-organic frameworks based (COFs-based), and porous semiconductor or organic polymer based photocatalysts. The remarkable performance of these porous materials for solar-driven CO2 reduction systems is highlighted. Finally, challenges and opportunities of porous materials for photocatalytic CO2 reduction are presented, aiming to provide a new viewpoint for improving the overall photocatalytic CO2 reduction efficiency with porous materials.
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Affiliation(s)
- Yiqiang He
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryJilin UniversityChangchun130012P. R. China
| | - Chunguang Li
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryJilin UniversityChangchun130012P. R. China
| | - Xiao‐Bo Chen
- School of EngineeringRMIT UniversityCarltonVIC3053Australia
| | - Heng Rao
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryJilin UniversityChangchun130012P. R. China
- International Center of Future ScienceJilin UniversityChangchun130012P. R. China
| | - Zhan Shi
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryJilin UniversityChangchun130012P. R. China
| | - Shouhua Feng
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryJilin UniversityChangchun130012P. R. China
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Zhang W, Deng J, Fang Z, Lan D, Liao Y, Zhou X, Liu Q. Promoting charge separation in donor–acceptor conjugated microporous polymers via cyanation for the photocatalytic reductive dehalogenation of chlorides. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01386f] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Conjugated microporous polymers (CMPs) have emerged as promising heterogeneous photocatalysts for organic transformations owing to their structural designability and functional versatility.
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Affiliation(s)
- Weijie Zhang
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, China
| | - Jiyong Deng
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Zhengjun Fang
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Donghui Lan
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Yunfeng Liao
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Xiang Zhou
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Qingquan Liu
- Hunan Provincial Key Lab of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology, Xiangtan 411201, China
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Zhong K, Zhou A, Zhou G, Li Q, Yang J, Wang Z, Zhu X, Qian J, Hua Y, Li H, Xu H. Plasma-induced black bismuth tungstate as a photon harvester for photocatalytic carbon dioxide conversion. NEW J CHEM 2021. [DOI: 10.1039/d0nj05082b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The Bi QDs are reduced in situ on the surface of black Bi2WO6 nanosheets using a novel plasma treatment, which shows a superior CO2 conversion performance.
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39
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CNRS‐Silbermedaillen:D. Farrusseng, E. Collet undP. Poulin / CNRS‐Bronzemedaillen:J. Wencel‐Delord und D. Voiry. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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40
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CNRS Silver Medals:D. Farrusseng, E. Collet, andP. Poulin / CNRS Bronze Medals:J. Wencel‐Delord and D. Voiry. Angew Chem Int Ed Engl 2020; 59:10230. [DOI: 10.1002/anie.202004959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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