采用水热法制备了SrTiO3光催化材料,研究了在还原气氛下不同处理时间对SrTiO3光催化分解水制氢性能的影响;此外还研究了单一和复合助催化剂以及担载方法对光解水制氢性能的影响.结果表明:还原气氛中处理1h的样品,其制氢速率比未经处理的样品提高了近40％;担载单一助催化剂比复合助催化剂效果更好;光沉积Pt助催化剂样品具有最高的光催化活性.
参考文献
| [1] | Fujishima A;Honda K .Electrochemical photolysis of water at a semiconductor electrode[J].NATURE,1972,238:37. |
| [2] | Tak-Soo Kim;Jung-Kon Kim;Kyungho Choi;Michael K. Stenstrom;Kyung-Duk Zoh .Degradation mechanism and the toxicity assessment in TiO_2 photocatalysis and photolysis of parathion[J].Chemosphere: Environmental toxicology and risk assessment,2006(6):926-933. |
| [3] | J. B. Varley;A. Janotti;C C. Van de Walk .Mechanism of Visible-Light Photocatalysis in Nitrogen-Doped TiO_2[J].Advanced Materials,2011(20):2343-2347. |
| [4] | Banerjee S;Pillai S C;Falaras P .New insights into the mechanism of visible light photocatalysis[J].J Phys Chem Lett,2014,5(15):2543. |
| [5] | Schneider J;Matsuoka M;Takeuchi M .Understanding TiO2 photocatalysis:Mechanisms and materials[J].CHEMICAL REVIEWS,2014,114(19):9919. |
| [6] | Kazunari D et al.Mechanism of photocatalytic decomposition of water into H2 and O2 over NiO/SrTiO3[J].Journal of Catalysis,1986,102(01):92. |
| [7] | Kato H.;Asakura K.;Kudo A. .Highly efficient water splitting into H-2 and O-2 over lanthanum-doped NaTaO3 photocatalysts with high crystallinity and surface nanostructure[J].Journal of the American Chemical Society,2003(10):3082-3089. |
| [8] | Zou Z;Ye J;Sayama K .Direct splitting of water under visible light irradiation with an oxide semiconductor photocatalyst[J].NATURE,2001,414(6864):625. |
| [9] | Maeda K;Teramura K;Lu D;Takata T;Saito N;Inoue Y;Domen K .Photocatalyst releasing hydrogen from water.[J].Nature,2006(7082):295-0. |
| [10] | Chen X;Liu L;Yu P Y .Increasing solar abosorption for photocatalysis with black hydrogenated titanium dioxide nanocrystals[J].SCIENCE,2011,331(6018):746. |
| [11] | Kato H;Kudo A .Visible-light-response and photocatalytic activities of TiO2 and SrTiO3 photocatalysis codoped with antimony and chromium[J].Journal of Physical Chemistry B,2002,106:5029. |
| [12] | Masahiro Miyauchi;Minoru Takashio;Hiroki Tobimatsu .Photocatalytic Activity of SrTiO_3 Codoped with Nitrogen and Lanthanum under Visible Light Illumination[J].Langmuir: The ACS Journal of Surfaces and Colloids,2004(1):232-236. |
| [13] | Qingxin J;Iwase A;Kudo A .BiVO4-Ru/SrTiO3:Rh composite Z-scheme photocatalyst for solar water spliting[J].Chem Sci,2014,5(04):1513. |
| [14] | Yu H;Ouyang S et al.Sol-gel hydrothermal synthesis of visible-light-driven Cr-doped SrTiOa for efficient hydrogen production[J].Journal of Materials Chemistry,2011,21(30):11347. |
| [15] | Zhuang, Jiandong;Dai, Wenxin;Tian, Qinfen;Li, Zhaohui;Xie, Liyan;Wang, Jixin;Liu, Ping;Shi, Xicheng;Wang, Donghui .Photocatalytic Degradation of RhB over TiO_2 Bilayer Films: Effect of Defects and Their Location[J].Langmuir: The ACS Journal of Surfaces and Colloids,2010(12):9686-9694. |
| [16] | Guoqiang Li;Ying Bai;Shaojun Wu;Weifeng Zhang .Variation in Photocatalytic Activity of SrTiO_3 (100) Single-Crystal Thin Films with Different Substrates and Annealing Atmosphere[J].Science of advanced materials,2013(7):764-768. |
| [17] | 邓芳,李越湘,罗旭彪,涂新满,曾桂生,王玫.煅烧温度、煅烧时间和Fe3+掺杂量对TiO2光催化性能的影响[J].材料导报,2010(10):83-86. |
| [18] | Zhang WF.;Yin Z.;Chen Q.;Zhang MS. .Photoluminescence in anatase titanium dioxide nanocrystals[J].Applied physics, B. Lasers and optics,2000(2):261-265. |
| [19] | Jing LQ;Qu YC;Wang BQ;Li SD;Jiang BJ;Yang LB;Fu W;Fu HG;Sun JZ .Review of photoluminescence performance of nano-sized semiconductor materials and its relationships with photocatalytic activity[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2006(12):1773-1787. |
| [20] | Zhang W.F.;Zhang M.S.;Du Z.L.;Chen W.C.;Yin Z. .Roles of defects and grain sizes in photoluminescence of nanocrystalline SrTiO3[J].Journal of Physics. Condensed Matter,1999(29):5655-5660. |
| [21] | Gan J;Lu X;Wu J .Oxygen vacancies promoting photoelectrochemical performance of In2O3 nanocubes[J].Sci Reports,2013,3:1. |
| [22] | 翁玉攀.光沉积法负载型金属催化剂及其在光电催化中的应用[J].感光科学与光化学,1984(02):48. |
| [23] | Saito, K.;Koga, K.;Kudo, A. .Lithium niobate nanowires for photocatalytic water splitting[J].Dalton transactions: An international journal of inorganic chemistry,2011(15):3909-3913. |
| [24] | 孙启梅,陈雨,甄宗晴,金江,陈航榕,张华.PEMFC Pt-WO3/C电催化剂的制备与性能表征[J].材料导报,2008(z3):204-205,208. |
| [25] | Jiaguo Yu;Lifang Qi;Mietek Jaroniec .Hydrogen Production by Photocatalytic Water Splitting over Pt/TiO2 Nanosheets with Exposed (001) Facets[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2010(30):13118-13125. |
| [26] | Sasaki, Y.;Kato, H.;Kudo, A. .[Co(bpy)3)]~(3+/2+) and [Co(phen)3] ~(3+/2+) electron mediators for overall water splitting under sunlight irradiation using Z-scheme photocatalyst system[J].Journal of the American Chemical Society,2013(14):5441-5449. |
| [27] | Townsend, T.K.;Browning, N.D.;Osterloh, F.E. .Nanoscale strontium titanate photocatalysts for overall water splitting[J].ACS nano,2012(8):7420-7426. |
| [28] | Yamakata A;Ishibashi T;Onishi H .Time-resolved infrared absorption study of nine TiO2 photocatalysts[J].Chemical Physics: A Journal Devoted to Experimental and Theoretical Research Involving Problems of Both a Chemical and Physical Nature,2007(1-3):133-137. |
| [29] | Chervin, CN;Lubers, AM;Pettigrew, KA;Long, JW;Westgate, MA;Fontanella, JJ;Rolison, DR .Making the Most of a Scarce Platinum-Group Metal: Conductive Ruthenia Nanoskins on Insulating Silica Paper[J].Nano letters,2009(6):2316-2321. |
| [30] | Park C;Lysaght P;Hussain M et al.Advanced high-k/metal gate stack progress and challenges-A materials and process integration perspective[J].INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,2010,101(02):155. |
| [31] | Kalyanasundaram K;Gratzel M;Pelizzetti E .Interfacial electron-transfer in colloidal metal and semiconductor dispersions and photodecomposition of water[J].COORDINATION CHEMISTRY REVIEWS,1986,69:57. |
| [32] | He J;Lindstrom H;Hagfeldt A et al.Dye-sensitized nanostructured p-type nickel oxide film as a photocathode for a solar cell[J].Journal of Physical Chemistry B,1999,42(103):8940. |
| [33] | Hyun Woo Kang;Seung Bin Park .Preparation of novel SrTiO_3:Rh/Ta photocatalyst by spray pyrolysis and its activity for H_2 evolution from aqueous methanol solution under visible light[J].International journal of hydrogen energy,2013(2):823-831. |
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