Flash dual-engineering of surface carboxyl defects and single Cu atoms of g-C3N4 via unique CO2 plasma immersion approach for boosted photocatalytic activity

Lotfi, 2022, Photocatalytic degradation of steroid hormone micropollutants by TiO2-coated polyethersulfone membranes in a continuous flow-through process, Nat. Nanotechnol., 17, 1, 10.1038/s41565-022-01074-8 Takata, 2020, Photocatalytic water splitting with a quantum efficiency of almost unity, Nature, 581, 411, 10.1038/s41586-020-2278-9 Li, 2022, Methane transformation by photocatalysis, Nat. Rev. Mater., 1 Tao, 2022, Recent advances and perspectives for solar-driven water splitting using particulate photocatalysts, Chem. Soc. Rev., 10.1039/D1CS01182K Zhang, 2022, Unraveling the dual defect sites in graphite carbon nitride for ultra-high photocatalytic H2O2 evolution, Energy Environ. Sci., 15, 830, 10.1039/D1EE02369A Liu, 2022, Photo-Fenton degradation of tetracycline over Z-scheme Fe-g-C3N4/Bi2WO6 heterojunctions: mechanism insight, degradation pathways and DFT calculation, Appl. Catal. B Environ., 310, 10.1016/j.apcatb.2022.121326 Xie, 2022, Oxo dicopper anchored on carbon nitride for selective oxidation of methane, Nat. Commun., 13, 1, 10.1038/s41467-022-28987-1 Gu, 2021, Synergizing metal–support interactions and spatial confinement boosts dynamics of atomic nickel for hydrogenations, Nat. Nanotechnol., 16, 1141, 10.1038/s41565-021-00951-y Sun, 2020, In-situ homodispersely immobilization of Ag@AgCl on chloridized g-C3N4 nanosheets as an ultrastable plasmonic photocatalyst, Chem. Eng. J., 384, 10.1016/j.cej.2019.123259 Samanta, 2014, Facile synthesis of Au/g-C3N4 nanocomposites: an inorganic/organic hybrid plasmonic photocatalyst with enhanced hydrogen gas evolution under visible-light irradiation, ChemCatChem, 6, 1453, 10.1002/cctc.201300949 He, 2020, Immobilized BiCl3@Bi@g-C3N4 on one-dimensional multi-channel carbon fibers as heterogeneous catalyst for efficient CO2 cycloaddition reaction, Inorg. Chem. Front., 7, 2783, 10.1039/D0QI00207K Pan, 2021, Cu-doped g-C3N4 catalyst with stable Cu0 and Cu+ for enhanced amoxicillin degradation by heterogeneous electro-Fenton process at neutral pH, Chemosphere, 283, 10.1016/j.chemosphere.2021.131257 Yu, 2022, Uniform single stomic Cu1-C4 sites anchored in graphdiyne for hydroxylation of benzene to phenol, Natl. Sci. Rev., 10.1093/nsr/nwac018 Bao, 2021, Isolated copper single sites for high-performance electroreduction of carbon monoxide to multicarbon products, Nat. Commun., 12, 238, 10.1038/s41467-020-20336-4 Yuan, 2022, Constructing Cu-C bond in graphdiyne-regulated Cu single atom electrocatalyst for CO2 reduction to CH4, Angew. Chem. Int. Ed. Tay, 2015, Defect engineered g-C3N4 for efficient visible light photocatalytic hydrogen production, Chem. Mater., 27, 4930, 10.1021/acs.chemmater.5b02344 Zhang, 2020, Defect engineering in atomic-layered graphitic carbon nitride for greatly extended visible-light photocatalytic hydrogen evolution, ACS Appl. Mater. Interfaces, 12, 10.1021/acsami.9b21115 Nor, 2021, Insights into enhancing photocatalytic reduction of CO2: substitutional defect strategy of modified g-C3N4 by experimental and theoretical calculation approaches, J. Alloys Compd., 871, 10.1016/j.jallcom.2021.159464 Li, 2021, Carboxyl groups on g-C3N4 for boosting the photocatalytic U(VI) reduction in the presence of carbonates, Chem. Eng. J., 414, 10.1016/j.cej.2021.128810 Zhang, 2021, Extensive incorporation of carboxyl groups into g-C3N4 by integrated oxygen doping and HNO3 oxidation for enhanced catalytic ozonation of para-chlorobenzoic acid and atrazine, Separ. Purif. Technol., 256, 10.1016/j.seppur.2020.117806 Zhang, 2021, Regulation of carboxyl groups and structural defects of graphitic carbon nitride via environmental-friendly glucose oxidase ring-opening modulation, Appl. Catal. B Environ., 297, 10.1016/j.apcatb.2021.120441 Lu, 2020, Characterization of highly effective plasma-treated g-C3N4 and application to the photocatalytic H2O2 production, Chemosphere, 241, 10.1016/j.chemosphere.2019.124927 Cui, 2019, Stimulating antibacterial activities of graphitic carbon nitride nanosheets with plasma treatment, Nanoscale, 11, 10.1039/C9NR03797G Li, 2017, Potential of transition metal atoms embedded in buckled monolayer g-C3N4 as single-atom catalysts, Phys. Chem. Chem. Phys., 19, 10.1039/C7CP05195F Yang, 2021, Mechanistic insight into the dispersion behavior of single platinum atom on monolayer g-C3N4 in single-atom catalysts from density functional theory calculations, Appl. Surf. Sci., 566, 10.1016/j.apsusc.2021.150697 Peng, 2022, Activation of peroxymonosulfate by single-atom Fe-g-C3N4 catalysts for high efficiency degradation of tetracycline via nonradical pathways: role of high-valent iron-oxo species and Fe-Nx sites, Chem. Eng. J., 427, 10.1016/j.cej.2021.130803 Kang, 2020, Ultrafast plasma immersion strategy for rational modulation of oxygen-containing and amino groups in graphitic carbon nitride, Carbon, 159, 51, 10.1016/j.carbon.2019.12.022 Kang, 2019, Surface amino group regulation and structural engineering of graphitic carbon nitride with enhanced photocatalytic activity by ultrafast ammonia plasma immersion modification, ACS Appl. Mater. Interfaces, 11, 10.1021/acsami.9b01068 Kang, 2019, Polymeric structure optimization of g-C3N4 by using confined argon-assisted highly-ionized ammonia plasma for improved photocatalytic activity, J. Colloid Interface Sci., 556, 214, 10.1016/j.jcis.2019.08.040 Huang, 2021, Surface modification of activated carbon fiber by low-temperature oxygen plasma: textural property, surface chemistry, and the effect of water vapor adsorption, Chem. Eng. J., 418, 10.1016/j.cej.2021.129474 Xu, 2021, Organic wastewater treatment by a single-atom catalyst and electrolytically produced H2O2, Nat. Sustain., 4, 233, 10.1038/s41893-020-00635-w Yu, 2020, Functional groups to modify g-C3N4 for improved photocatalytic activity of hydrogen evolution from water splitting, Chin. Chem. Lett., 31, 1648, 10.1016/j.cclet.2019.08.020 Zhang, 2021, Roles of oxygen-containing functional groups of O-doped g-C3N4 in catalytic ozonation: quantitative relationship and first-principles investigation, Appl. Catal. B Environ., 292, 10.1016/j.apcatb.2021.120155 Zhang, 2021, The edge-epitaxial growth of yellow g-C3N4 on red g-C3N4 nanosheets with superior photocatalytic activities, Chem. Commun., 57, 3119, 10.1039/D1CC00209K Vennapoosa, 2022, Ternary Cu(OH)2/P (g-C3N4)/MoS2 nanostructures for photocatalytic hydrogen production, ACS Appl. Nano Mater., 5, 4848, 10.1021/acsanm.1c04419 Liu, 2018, Synergistic effect of an atomically dual-metal doped catalyst for highly efficient oxygen evolution, J. Mater. Chem., 6, 6840, 10.1039/C8TA00550H Hu, 2018, Immobilization of g-C3N4 nanosheets on diatomite via electrostatic adsorption and their photocatalytic activity, RSC Adv., 8, 10.1039/C8RA05408H Lv, 2020, In situ growth of benzothiadiazole functionalized UiO-66-NH2 on carboxyl modified g-C3N4 for enhanced photocatalytic degradation of sulfamethoxazole under visible light, Catal. Sci. Technol., 10, 4703, 10.1039/D0CY01019G Chen, 2021, Protonated 2D carbon nitride sensitized with Ce6 as a smart metal-free nanoplatform for boosted acute multimodal photo-sono tumor inactivation and long-term cancer immunotherapy, Chem. Eng. J., 422, 10.1016/j.cej.2021.130089 Zhu, 2022, Laser-Assisted synthesis of Bi-Decorated Pt aerogel for efficient methanol oxidation electrocatalysis, Appl. Surf. Sci., 592, 10.1016/j.apsusc.2022.153219 Chen, 2022, Flexible construct of N vacancies and hydrophobic sites on g-C3N4 by F doping and their contribution to PFOA degradation in photocatalytic ozonation, J. Hazard Mater., 428, 10.1016/j.jhazmat.2022.128222 Dong, 2022, The photocatalytic NO-removal activity of g-C3N4 significantly enhanced by the synergistic effect of Pd0 nanoparticles and N vacancies, Environ. Sci.: Nano, 742 Sadri, 2017, A bio-based, facile approach for the preparation of covalently functionalized carbon nanotubes aqueous suspensions and their potential as heat transfer fluids, J. Colloid Interface Sci., 504, 115, 10.1016/j.jcis.2017.03.051 Bellamkonda, 2019, Extending the π-electron conjugation in 2D planar graphitic carbon nitride: efficient charge separation for overall water splitting, J. Mater. Chem., 7, 3757, 10.1039/C8TA10580D Zhang, 2021, Regulation of carboxyl groups and structural defects of graphitic carbon nitride via environmental-friendly glucose oxidase ring-opening modulation, Appl. Catal. B Environ., 297, 10.1016/j.apcatb.2021.120441 Li, 2020, Crystalline carbon nitride supported copper single atoms for photocatalytic CO2 reduction with nearly 100% CO selectivity, ACS Nano, 14, 10.1021/acsnano.0c04544 Xiao, 2021, Single metal atom decorated carbon nitride for efficient photocatalysis: synthesis, structure, and applications, Sol. RRL, 5, 10.1002/solr.202000609 Buker, 2021, Synthesis of Cu single atoms supported on mesoporous graphitic carbon nitride and their application in liquid-phase aerobic oxidation of cyclohexene, ACS Catal., 11, 7863, 10.1021/acscatal.1c01468 Zhou, 2021, Selective electrochemical hydrogenation of furfural to 2-methylfuran over a single atom Cu catalyst under mild pH conditions, Green Chem., 23, 3028, 10.1039/D0GC03999C Xiao, 2020, A promoted charge separation/transfer system from Cu single atoms and C3N4 layers for efficient photocatalysis, Adv. Mater., 32, 10.1002/adma.202003082 Zhang, 2018, Ultrathin g-C3N4 nanosheets coupled with amorphous Cu-doped FeOOH nanoclusters as 2D/0D heterogeneous catalysts for water remediation, Environ. Sci.: Nano, 5, 1179 Barbero, 2016 Zhou, 2019, Strengthening reactive metal-support interaction to stabilize high-density Pt single atoms on electron-deficient g-C3N4 for boosting photocatalytic H2 production, Nano Energy, 56, 127, 10.1016/j.nanoen.2018.11.033 Zhang, 2020, Enhanced electron transfer and photocatalytic hydrogen production over the carbon nitride/porphyrin nanohybrid finely bridged by special copper, Catal. Sci. Technol., 10, 1640, 10.1039/C9CY02272D Reddy, 2022, Novel g-C3N4/Cu-doped ZrO2 hybrid heterostructures for efficient photocatalytic Cr(VI) photoreduction and electrochemical energy storage applications, Chemosphere, 295, 10.1016/j.chemosphere.2022.133851 Acharya, 2022, Incorporating nitrogen vacancies in exfoliated B-doped g-C3N4 towards improved photocatalytic ciprofloxacin degradation and hydrogen evolution, New J. Chem., 46, 3493, 10.1039/D1NJ05838J Kang, 2022, Harmonious K-I-O co-modification of g-C3N4 for improved charge separation and photocatalysis, Inorg. Chem. Front., 9, 950, 10.1039/D1QI01376A Xiong, 2021, Construction of dual-active-site copper catalyst containing both Cu-N3 and Cu-N4 sites, Small, 17, 10.1002/smll.202006834 Zeng, 2022, Synergistic effect of Ru-N4 sites and Cu-N3 sites in carbon nitride for highly selective photocatalytic reduction of CO2 to methane, Appl. Catal. B Environ., 307, 10.1016/j.apcatb.2022.121154 Chen, 2019, DFT-based study of single transition metal atom doped g-C3N4 as alternative oxygen reduction reaction catalysts, Int. J. Hydrogen Energy, 44, 10.1016/j.ijhydene.2019.04.057 Wang, 2021, Photodepositing CdS on the active cyano groups decorated g-C3N4 in Z-scheme manner promotes visible-light-driven hydrogen evolution, Small, 17, 10.1002/smll.202102699 Qin, 2021, Nitrogen defect engineering and π-conjugation structure decorated g-C3N4 with highly enhanced visible-light photocatalytic hydrogen evolution and mechanism insight, Chem. Eng. J., 425, 10.1016/j.cej.2021.131844 Chakraborty, 2022, Hydrogen storage in scandium decorated triazine based g-C3N4: insights from DFT simulations, Int. J. Hydrogen Energy, 10.1016/j.ijhydene.2022.02.185 He, 2019, Graphitic C3N4 quantum dots for next-generation QLED displays, Mater. Today, 22, 76, 10.1016/j.mattod.2018.06.008 Jia, 2022, Low-crystalline PdCu alloy on large-area ultrathin 2D carbon nitride nanosheets for efficient photocatalytic Suzuki coupling, Appl. Catal. B Environ., 300, 10.1016/j.apcatb.2021.120756 Zhu, 2019, Insight into the effect of co-doped to the photocatalytic performance and electronic structure of g-C3N4 by first principle, Appl. Catal. B Environ., 241, 319, 10.1016/j.apcatb.2018.09.009 Sun, 2022, Synergistic effect of single-atom Ag and hierarchical tremella-like g-C3N4: electronic structure regulation and multi-channel carriers transport for boosting photocatalytic performance, Appl. Catal. B Environ., 306, 10.1016/j.apcatb.2022.121106