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与植物光合作用相似, Z型光催化材料体系是由电子传输介质、光还原剂和光氧化剂组成的双光子体系, 其应用于光催化反应具有很大的优势: 借助双光子激发过程, 在不同光催化剂上分别完成氧化反应和还原反应, 有效促进了光生电荷的分离和迁移. Z型反应体系中的光催化剂只需分别满足各自的光激发过程和对应的半反应, 为光催化材料的选择和设计提供了很大的空间. 光催化还原位点和氧化位点分别在两个光催化半导体上, 还原和氧化过程相互分离, 可以有效抑制逆反应的发生. 同时, 催化材料光还原剂中的光生空穴被来自光氧化剂中的光生电子复合, 光催化体系的稳定性随之增强. Z型光催化材料体系, 表现出了宽光谱响应, 高稳定性, 高光生载流子的分离效率, 强氧化还原能力, 具有广阔的应用前景.Z-type photocatlytic system, reflembling natural photosynthesis, consists of two different photocatalysts and a shuttle redox mediator, involving two-photon excitation process for photocatlysis. One photocatalyst as a photoreduction system offers the reduction sites by conduction band (CB) electrons, and the other photocatalyst as a photooxidation system provides the oxidation sites by valence band (VB) holes. A shuttle redox mediator as an electron conductor transfers the electrons from the CB of the photooxidation system to the VB of the photoreduction system. On the one hand, the separation of photocatalytic reactive sites is advantageous for spatial separation of the electrons and holes, which is beneficial for enhancing the photocatlytic activities. On the other hand, photoreduction system and photooxidation system of different materials effectively inhibit the reflerse reaction involvement of photoreductive and photooxidative products. The Z-type photocatlytic system simultaneously possesses a wide light absorption range and strong redox ability.
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Keywords:
- photocatlayst /
- Z-scheme photocatlayst /
- electron shuttle mediator /
- photocarriers separation
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[66] Hou J, Yang C, Wang Z, Ji Q, Li Y, Huang G, Jiao S, Zhu H 2013 Applied Catalysis B: Environmental 142-143 579
[67] Miyauchi M, Nukui Y, Atarashi D, Sakai E 2013 ACS Appl. Mater. Interfaces 5 9770
[68] Chen Z, Wang W, Zhang Z, Fang X 2013 J. Phys. Chem. C 117 19346
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[71] Cheng H, Hou J, Zhu H, Guo X M 2014 RSC Adv. 4 41622
[72] Pu Y C, Lin W H, Hsu Y J 2015 Applied Catalysis B: Environmental 163 343
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[1] Chen X, Shen S, Guo L, Mao S 2010 Chem. Rev. 110 6503
[2] Fujishima A, Honda K 1972 Nature 238 37
[3] Maeda K, Domen K 2007 J. Phys. Chem. C 111 7851
[4] Zhang Z, Zhang L, Hedhili M N, Zhang H, Wang P 2013 Nano Lett. 13 14
[5] Wang Z, Huang B, Dai Y, Liu Y, Zhang X, Qin X, Wang J, Zheng Z, Cheng H 2012 CrystEngComm 14 1687
[6] Zhou P, Yu J, Jaroniec M 2014 Adv. Mater. 26 4920
[7] Sun W T, Yu Y, Pan H Y, Gao X F, Chen Q, Peng L M 2008 J. Am. Chem. Soc. 130 1124
[8] Cheng H, Huang B, Dai Y, Qin X, Zhang X 2010 Langmuir : the ACS journal of surfaces and colloids 26 6618
[9] Su J, Zou X X, Li G D, Wei X, Yan C, Wang Y N, Zhao J, Zhou L J, Chen J S 2011 J. Phys. Chem. C 115 8064
[10] Hou Y, Wen Z, Cui S, Guo X, Chen J 2013 Adv. Mater. 25 6291
[11] Zhong M, Ma Y, Oleynikov P, Domen K, Delaunay J J 2014 Energy Environ. Sci. 7 1693
[12] Tachibana Y, Vayssieres L, Durrant J R 2012 Nat. Photonics 6 511
[13] Li H, Zhou Y, Tu W, Ye Y, Zou Z 2014 Adv. Funct. Mater. DOI: 10.1002adfm.201401636
[14] Sayama K, Yoshida R, Kusama H, Okabe K, Abe Y, Arakawa H 1997 Chem Phys Lett 277 387
[15] Miseki Y, Fujiyoshi S, Gunji T, Sayama K 2013 Catal. Sci. Technol. 3 1750
[16] Zhu H, Yang B, Xu J, Fu Z, Wen M, Guo T, Fu S, Zuo J, Zhang S 2009 Applied Catalysis B: Environmental 90 463
[17] Fujihara K, Ohno T, Matsumura M 1998 J. Chem. Soc. Faraday Trans. 94 3705
[18] Kato H, Hori M, Konta R, Shimodaira Y, Kudo A 2004 Chemistry Letters 33 1348
[19] Abe R, Sayama K, Sugihara H 2005 J. Phys. Chem. B 109 16052
[20] Tada H, Mitsui T, Kiyonaga T, Akita T, Tanaka K 2006 Nat Mater. 5 782
[21] Liu C, Tang J, Chen H M, Liu B, Yang P 2013 Nano Lett. 13 2989
[22] Kudo A, Miseki Y 2009 Chem. Soc. Rev. 38 253
[23] Sasaki Y, Nemoto H, Saito K, Kudo A 2009 J. Phys. Chem. C 113 17536
[24] Kato H, Sasaki Y, Shirakura N, Kudo A 2013 J. Mater. Chem. A 1 12327
[25] Zhang L, Wong K H, Chen Z, Yu J C, Zhao J, Hu C, Chan C Y, Wong P K 2009 Applied Catalysis A: General 363 221
[26] Iwase A, Ng Y H, Ishiguro Y, Kudo A, Amal R 2011 J. Am. Chem. Soc. 133 11054
[27] Wang X, Liu G, Wang L, Chen Z, Lu G Q, Cheng H 2012 Adv. Energy Mater. 2 42
[28] Sayama K, Mukasa K, Abe R, Abe Y, Arakawa H 2001 Chem. Commu. 2416
[29] Abe R, Sayama K, Domen K, Arakawa H 2001 Chemical Physics Letters 344 339
[30] Abe R, Takata T, Sugihara H, Domen K 2005 Chem. Commun. 3829
[31] Kim H G, Jeong E D, Borse P H, Jeon S, Yong K, Lee J S, Li W, Oh S H 2006 Appl. Phys. Lett. 89 064103
[32] Sayama K, Abe R, Arakawa H, Sugihara H 2006 Catalysis Communications 7 96
[33] Maeda K, Terashima H, Kase K, Higashi M, Tabata M, Domen K 2008 Bull. Chem. Soc. Jpn 81 927
[34] Higashi M, Abe R, Teramura K, Takata T, Ohtani B, Domen K 2008 Chemical Physics Letters 452 120
[35] Sasaki Y, Iwase A, Kato H, Kudo A 2008 Journal of Catalysis 259 133
[36] Abe R, Shinmei K, Hara K, Ohtani B 2009 Chem. Commun. 3577
[37] Maeda K, Higashi M, Lu D, Abe R, Domen K 2010 J. Am. Chem. Soc. 132 5858
[38] Tabata M, Maeda K, Higashi M, Lu D, Takata T, Abe R, Domen K 2010 Langmuir : the ACS journal of surfaces and colloids 26 9161
[39] Yun H J, Lee H, Kim N D, Lee D M, Yu S, Yi J 2011 ACS Nano 5 4084
[40] Maeda K, Abe R, Domen K 2011 J. Phys. Chem. C 115 3057
[41] Hara S, Yoshimizu M, Tanigawa S, Ni L, Ohtani B, Irie H 2012 J. Phys. Chem. C 116 17458
[42] Ma S S, Maeda K, Hisatomi T, Tabata M, Kudo A, Domen K 2013 Chem. Eur. J. 19 7480
[43] Sasaki Y, Kato H, Kudo A 2013 J. Am. Chem. Soc. 135 5441
[44] Ding L, Zhou H, Lou S, Ding J, Zhang D, Zhu H, Fan T 2013 Int J Hydrogen Energy 38 8244
[45] Zhao W, Maeda K, Zhang F, Hisatomi T, Domen K 2014 Phys.Chem.Chem.Phys., 16 12051
[46] Tu W, Zhou Y, Liu Q, Tian Z, Gao J, Chen X, Zhang H, Liu J, Zou Z 2012 Adv. Funct. Mater. 22 1215
[47] Li P, Zhou Y, Tu W, Wang R, Zhang C, Liu Q, Li H, Li Z, Dai H, Wang J, Yan S, Zou Z 2013 CrystEngComm 15 9855
[48] Wang F, Zhou Y, Li P, Li H, Tu W, Yan S, Zou Z 2014 RSC Adv. 4 43172
[49] Habisreutinger S N, Schmidt-Mende L, Stolarczyk J K 2013 Angew. Chem. Int. Ed. 52 7372
[50] Li P, Zhou Y, Tu W, Liu Q, Yan S, Zou Z 2013 ChemPlusChem 78 274
[51] Inoue T, Fujishima A, Konishi S, Honda K 1979 Nature 277 637
[52] Tu W, Zhou Y, Liu Q, Yan S, Bao S, Wang X, Xiao M, Zou Z 2013 Adv. Funct. Mater. 23 1743
[53] Sato S, Arai T, Morikawa T, Uemura K, Suzuki T M, Tanaka H, Kajino T 2011 J. Am. Chem. Soc. 133 15240
[54] Arai T, Sato S, Kajino T, Morikawa T 2013 Energy Environ. Sci. 6 1274
[55] Qin S, Xin F, Liu Y, Yin X, Ma W 2011 Journal of colloid and interface science 356 257
[56] Li P, Zhou Y, Li H, Xu Q, Meng X, Wang X, Xiao M, Zou Z 2009 Energy Environ. Sci 2 745
[57] Sekizawa K, Maeda K, Domen K, Koike K, Ishitani O 2013 J. Am. Chem. Soc. 135 4596
[58] Song G, Xin F, Chen J, Yin X 2014 Applied Catalysis A: General 473 90
[59] Liu Y, Ji G, Dastageer M A, Zhu L, Wang J, Zhang B, Changa X, Gondal M A 2014 RSC Adv. 4 56961
[60] Carey J H, Lawrence J, Tosine H M 1976 Bulletin of Environmental Contamination Toxlcology 16 697
[61] Fujihira M, Satoh Y, Osa T 1981 Nature 293 206
[62] Liu Z, Zhao Z G, Miyauchi M 2009 J. Phys. Chem. C 113 17132
[63] Wang X, Li S, Ma Y, Yu H, Yu J 2011 J. Phys. Chem. C 115 14648
[64] Ye L, Liu J, Gong C, Tian L, Peng T, Zan L 2012 ACS Catal. 2 1677
[65] Lin H, Cao J, Luo B, Xu B, Chen S 2012 Catalysis Communications 21 91
[66] Hou J, Yang C, Wang Z, Ji Q, Li Y, Huang G, Jiao S, Zhu H 2013 Applied Catalysis B: Environmental 142-143 579
[67] Miyauchi M, Nukui Y, Atarashi D, Sakai E 2013 ACS Appl. Mater. Interfaces 5 9770
[68] Chen Z, Wang W, Zhang Z, Fang X 2013 J. Phys. Chem. C 117 19346
[69] Katsumata H, Sakai T, Suzuki T M, Kaneco S 2014 Ind. Eng. Chem. Res. 53 8018
[70] Min Y, He G, Xu Q, Chen Y 2014 J. Mater. Chem. A. 2 1294
[71] Cheng H, Hou J, Zhu H, Guo X M 2014 RSC Adv. 4 41622
[72] Pu Y C, Lin W H, Hsu Y J 2015 Applied Catalysis B: Environmental 163 343
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