[1] Hagelin-Weaver H A,Hoflund G B,Minahan D M,et al.Electron energy loss spectroscopic investigation of Co metal,CoO,and Co3O4 before and after Ar+ bombardment[J].Applied Surface Science,2004,235(4):420-448.
[2] Anyaegbunam F N C,Augustine C.A study of optical band gap and associated urbach energy tail of chemically deposited metal oxides binary thin films[J].Digest Journal of Nanomaterials and Biostructures.2018,13(3):847-856.
[3] Zhang N,Shi J,Mao S S,et al.Co3O4 quantum dots:reverse micelle synthesis and visible-light-driven photocatalytic overall water splitting[J].Chemical Communications,2014,50(16):2002-2004.
[4] Shi N,Cheng W,Zhou H,et al.Facile synthesis of monodisperse Co3O4 quantum dots with efficient oxygen evolution activity[J].Chemical Communications,2015,51(7):1338-1340.
[5] Huang Z,Zhao Y,Xu H,et al.Surfactant-free synthesis,photocatalytic and electrochemical property study of Co3O4 nanoparticles[J].Materials Research Bulletin,2018,100:83-90.
[6] Bazgir S,Farhadi S.Microwave-assisted rapid synthesis of Co3O4 nanorods from CoC2O4·2H2O nanorods and its application in photocatalytic degradation of methylene blue under visible light irradiation[J].International Journal of Nano Dimension,2017,8(4):284-297.
[7] George G,Anandhan S.Photocatalytic activity of sol-gel electrospun Co3O4 nanofibers in degrading methylene blue and methyl orange[J].Annals of Materials Science & Engeering,2015,2:1025.
[8] Zhao X,Pang Z,Wu M,et al.Magnetic field-assisted synthesis of wire-like Co3O4 nanostructures:electrochemical and photocatalytic studies[J].Materials Research Bulletin,2013,48(1):92-95.
[9] Liu J,Wang D,Wang M,et al.Uniform two-dimensional Co3O4 porous sheets:facile synthesis and enhanced photocatalytic performance[J].Chemical Engineering & Technology,2016,39(5):891-898.
[10] Shi F N,Hu Y,Wang X,et al.Decomposition of MOFs for the preparation of nanoporous Co3O4 fibres and sheets with excellent microwave absorption and photocatalytic properties[J].Dalton Transactions,2017,46(6):1936-1942.
[11] Huang J,Ren H,Chen K,et al.Controlled synthesis of porous Co3O4 micro/nanostructures and their photocatalysis property[J].Superlattices and Microstructures,2014,75:843-856.
[12] Edla R,Patel N,Orlandi M,et al.Highly photo-catalytically active hierarchical 3D porous/urchin nanostructured Co3O4 coating synthesized by Pulsed Laser Deposition[J].Applied Catalysis B:Environmental,2015,166:475-484.
[13] Long H,Ren B,Li J,et al.3D hierarchical Co3O4:controlled preparation of coral-/urchin-like structures and application in photo-catalytic degradation[J].Journal of Alloys and Compounds,2017,720:437-444.
[14] Wang L,Wan J,Zhao Y,et al.Hollow multi-shelled structures of Co3O4 dodecahedron with unique crystal orientation for enhanced photocatalytic CO2 reduction[J].Journal of the American Chemical Society,2019,141(6):2238-2241.
[15] Zhou X,Liu Z,Wang Y,et al.Facet effect of Co3O4 nanocrystals on visible-light driven water oxidation[J].Applied Catalysis B:Environmental,2018,237:74-84.
[16] Wu M,Ke S,Chen W,et al.Optimization of the facet structure of cobalt oxide catalysts for enhanced hydrogen evolution reaction[J].Catalysis Science & Technology,2020,10(4):1040-1047.
[17] Gasparotto A,Barreca D,Bekermann D,et al.F-doped Co3O4 photocatalysts for sustainable H2 generation from water/ethanol[J].Journal of the American Chemical Society,2011,133(48):19362-19365.
[18] Xu J,Huo F,Zhao Y,et al.In-situ La doped Co3O4 as highly efficient photocatalyst for solar hydrogen generation[J].International Journal of Hydrogen Energy,2018,43(18):8674-8682.
[19] Zhang L,Jin Z,Tsubaki N.Zeolitic imidazolate framework-67-derived P-doped hollow porous Co3O4 as a photocatalyst for hydrogen production from water[J].ACS Applied Materials & Interfaces,2021,13(43):50996-51007.
[20] Keerthana S P,Yuvakkumar R,Kumar P S,et al.Influence of tin (Sn) doping on Co3O4 for enhanced photocatalytic dye degradation[J].Chemosphere,2021,277:130325.
[21] Hitkari G,Sandhya S,Gajanan P,et al.Synthesis of chromium doped cobalt oxide (Cr∶Co3O4) nanoparticles by co-precipitation method and enhanced photocatalytic properties in the visible region[J].Materials Science and Engineering,2018,7(419):2169-2222.
[22] Chen G,Si X,Yu J,et al.Doping nano-Co3O4 surface with bigger nanosized Ag and its photocatalytic properties for visible light photodegradation of organic dyes[J].Applied Surface Science,2015,330:191-199.
[23] Wang S,Zhang B.SPR propelled visible-active photocatalysis on Au-dispersed Co3O4 films[J].Applied Catalysis A:General,2013,467:585-592.
[24] Liu Q,Cao M,Chen L,et al.Facet-selective deposition of metal (M=Au,Pt,Pd) nanoparticles on Co3O4 crystals:magnetically separable photocatalyst with improved catalytic performance[J].ChemPlusChem,2018,83(5):334-338.
[25] Huang R,Huang S,Chen D,et al.Environmentally benign synthesis of Co3O4-SnO2 heteronanorods with efficient photocatalytic performance activated by visible light[J].Journal of Colloid and Interface Science,2019,542:460-468.
[26] Reda G M,Fan H,Tian H.Room-temperature solid state synthesis of Co3O4/ZnO p-n heterostructure and its photocatalytic activity[J].Advanced Powder Technology,2017,28(3):953-963.
[27] Shen C H,Wen X J,Fei Z H,et al.Visible-light-driven activation of peroxymonosulfate for accelerating ciprofloxacin degradation using CeO2/Co3O4 pn heterojunction photocatalysts[J].Chemical Engineering Journal,2020,391:123612.
[28] Malefane M E,Feleni U,Kuvarega A T.Cobalt (Ⅱ/Ⅲ) oxide and tungsten(Ⅵ) oxide pn heterojunction photocatalyst for photodegradation of diclofenac sodium under visible light[J].Journal of Environmental Chemical Engineering,2020,8(2):103560.
[29] Wang Y,Zhu C,Zuo G,et al.0D/2D Co3O4/TiO2 Z-scheme heterojunction for boosted photocatalytic degradation and mechanism investigation[J].Applied Catalysis B:Environmental,2020,278:119298.
[30] Chang N,Chen Y R,Xie F,et al.A promising Z-scheme heterojunction via loading Ag/AgCl into porous Co3O4 derived from ZIF-67 for visible light driven photocatalysis[J].Microporous and Mesoporous Materials,2020,307:110530.
[31] Su P,Liu H,Jin Z.Metal organic framework-derived Co3O4/NiCo2O4 hollow double-shell polyhedrons for effective photocatalytic hydrogen generation[J].Applied Surface Science,2022,571:151288.
[32] Yang H,Fan J,Zhou C,et al.Co3O4@CdS hollow spheres derived from ZIF-67 with a high phenol and dye photodegradation activity[J].ACS Omega,2020,5(28):17160-17169.
[33] Akshatha S,Sreenivasa S,Parashuram L,et al.Microwave assisted green synthesis of p-type Co3O4@Mesoporous carbon spheres for simultaneous degradation of dyes and photocatalytic hydrogen evolution reaction[J].Materials Science in Semiconductor Processing,2021,121:105432.
[34] 赵春艳,汪建新,王雪,等.Co3O4-GO复合材料的制备及其光催化降解孔雀石绿[J].印染助剂,2019,36(10):1-4.
[35] Liu D,Chen D,Li N,et al.ZIF-67-derived 3D hollow mesoporous crystalline Co3O4 wrapped by 2D g-C3N4 nanosheets for photocatalytic removal of nitric oxide[J].Small,2019,15(31):1902291.
[36] Chen Z,Chen S,Li Y,et al.A recyclable and highly active Co3O4 nanoparticles/titanate nanowire catalyst for organic dyes degradation with peroxymonosulfate[J].Materials Research Bulletin,2014,57:170-176.
[37] Abukhadra M R,Adlii A,Bakry B M.Green fabrication of bentonite/chitosan@cobalt oxide composite (BE/CH@Co) of enhanced adsorption and advanced oxidation removal of Congo red dye and Cr(Ⅵ) from water[J].International Journal of Biological Macromolecules,2019,126:402-413.
[38] Mohamed A S,Abukkhadra M R,Abdallah E A,et al.The photocatalytic performance of silica fume based Co3O4/MCM-41 green nanocomposite for instantaneous degradation of Omethoate pesticide under visible light[J].Journal of Photochemistry and Photobiology A:Chemistry,2020,392:112434.
[39] Mafa P J,Malefane M E,Idris A O,et al.Cobalt oxide/copper bismuth oxide/samarium vanadate (Co3O4/CuBi2O4/SmVO4) dual Z-scheme heterostructured photocatalyst with high charge-transfer efficiency:enhanced carbamazepine degradation under visible light irradiation[J].Journal of Colloid and Interface Science,2021,603:666-684.
[40] Zhao X,Lu Z,Ma W,et al.One-step fabrication of carbon decorated Co3O4/BiVO4 pn heterostructure for enhanced visible-light photocatalytic properties[J].Chemical Physics Letters,2018,706:440-447.