Photocatalytic Activities of Graphitic Carbon Nitride Powder for Water Reduction and Oxidation under Visible Light

被引:732
作者
Maeda, Kazuhiko [2 ]
Wang, Xinchen [1 ,3 ]
Nishihara, Yasushi [4 ]
Lu, Daling [5 ]
Antonietti, Markus [1 ]
Domen, Kazunari [2 ]
机构
[1] Max Planck Inst Colloids & Interfaces, Dept Colloid Chem, D-14424 Potsdam, Germany
[2] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan
[3] Fuzhou Univ, State Key Lab Breeding Base Photocatalysis, Res Inst Photocatalysis, Fuzhou 350002, Peoples R China
[4] Okayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Okayama 7668530, Japan
[5] Tokyo Inst Technol, Ctr Adv Mat Anal, Meguro Ku, Tokyo 1528550, Japan
关键词
HYDROGEN-PRODUCTION; DRIVEN PHOTOCATALYST; SOLID-SOLUTION; OXYSULFIDE SM2TI2S2O5; STABLE PHOTOCATALYST; OXYGEN EVOLUTION; CATALYSTS; IRRADIATION; TIO2; NM;
D O I
10.1021/jp809119m
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Graphitic carbon nitride (g-C3N4) with a band gap of 2.7 eV is studied as a nonmetallic photocatalyst for H-2 or O-2 evolution from water under ultraviolet (UV) and visible light. The g-C3N4 catalyst exhibits activities for water reduction into H-2 or water oxidation into O-2 in the presence of a proper sacrificial electron donor or acceptor, respectively, even without the need for precious metal cocatalysts. When bis(1,5-cyclooctadiene)platinum complex [Pt(cod)(2)] (a nonionic complex) is used as a precursor of Pt cocatalyst instead of H2PtCl6 (an ionic complex), enhanced H-2) evolution activity is acquired. This difference in activity is primarily due to the better dispersion of Pt nanoparticles on g-C3N4, which is considered to originate from the better access of Pt(cod)(2) to the g-C3N4 surface, as compared to that of H2PtCl6 in the preparation process. Unmodified g-C3N4 produces O-2 from an aqueous silver nitrate solution upon UV irradiation (lambda > 300 nm), although N-2, release due to self-decomposition of g-C3N4 by photogenerated holes takes place. Modification of g-C3N4 with RuO2, improves not only O-2 evolution activity but also stability against the self-decomposition, resulting in stable visible-light-driven O-2 evolution (lambda > 420 nm).
引用
收藏
页码:4940 / 4947
页数:8
相关论文
共 57 条
  • [41] Electronic structure of six phases of C3N4 a theoretical approach
    Molina, B
    Sansores, LE
    [J]. MODERN PHYSICS LETTERS B, 1999, 13 (6-7): : 193 - 201
  • [42] Molecular mechanisms of photoinduced oxygen evolution, PL emission, and surface roughening at atomically smooth (110) and (100) n-TiO2 (rutile) surfaces in aqueous acidic solutions
    Nakamura, R
    Okamura, T
    Ohashi, N
    Imanishi, A
    Nakato, Y
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (37) : 12975 - 12983
  • [43] TiNxOyFz as a stable photocatalyst for water oxidation in visible light (<570 nm)
    Nukumizu, K
    Nunoshige, J
    Takata, T
    Kondo, JN
    Hara, M
    Kobayashi, H
    Domen, K
    [J]. CHEMISTRY LETTERS, 2003, 32 (02) : 196 - 197
  • [44] Lanthanum-indium oxysulfide as a visible light driven photocatalyst for water splitting
    Ogisu, Kiyonori
    Ishikawa, Akio
    Teramura, Kentaro
    Toda, Kenji
    Hara, Michikazu
    Domen, Kazunari
    [J]. CHEMISTRY LETTERS, 2007, 36 (07) : 854 - 855
  • [45] Effects of RuO2 on activity for water decomposition of a RuO2/Na2Ti3O7 photocatalyst with a zigzag layer structure
    Ogura, S
    Kohno, M
    Sato, K
    Inoue, Y
    [J]. JOURNAL OF MATERIALS CHEMISTRY, 1998, 8 (11) : 2335 - 2337
  • [46] Role of platinum deposits on titanium(IV) oxide particles: Structural and kinetic analyses of photocatalytic reaction in aqueous alcohol and amino acid solutions
    Ohtani, B
    Iwai, K
    Nishimoto, S
    Sato, S
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1997, 101 (17) : 3349 - 3359
  • [47] PICHAT P, 1982, NOUV J CHIM, V6, P559
  • [48] PHOTOCHEMICAL HYDROGEN-PRODUCTION WITH PLATINIZED SUSPENSIONS OF CADMIUM-SULFIDE AND CADMIUM ZINC-SULFIDE MODIFIED BY SILVER SULFIDE
    REBER, JF
    RUSEK, M
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1986, 90 (05) : 824 - 834
  • [49] PHOTOCHEMICAL DIODE MODEL OF PT-TIO2 PARTICLE AND ITS PHOTOCATALYTIC ACTIVITY
    SAKATA, T
    KAWAI, T
    HASHIMOTO, K
    [J]. CHEMICAL PHYSICS LETTERS, 1982, 88 (01) : 50 - 54
  • [50] Characterization of ruthenium oxide nanocluster as a cocatalyst with (Ga1-xZnx)(N1-xOx) for photocatalytic overall water splitting
    Teramura, K
    Maeda, K
    Saito, T
    Takata, T
    Saito, N
    Inoue, Y
    Domen, K
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (46) : 21915 - 21921