Photoelectroanalytical Oxygen Detection with Titanate Nanosheet - Platinum Hybrids Immobilised into a Polymer of Intrinsic Microporosity (PIM-1)

Fan Bingbing; Zhao Yuanzhu; Putra Budi RizaHarito ChristianBavykin DmitryWalsh Frank C.Carta MariolinoMalpass-Evans RichardMcKeown Neil B.Marken Frank

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Photoelectroanalytical Oxygen Detection with Titanate Nanosheet - Platinum Hybrids Immobilised into a Polymer of Intrinsic Microporosity (PIM-1)

机译：Photoelectroanalytical Oxygen Detection with Titanate Nanosheet - Platinum Hybrids Immobilised into a Polymer of Intrinsic Microporosity (PIM-1)

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The polymer of intrinsic microporosity PIM-1 is employed to disperse and deposit a Pt@titanate nanosheet photocatalyst film. The resulting microporous films allow electrolyte and oxygen permeation to give conventional oxygen reduction voltammetric responses on glassy carbon or on platinum disk electrodes in the dark. Preliminary data are presented showing that with pulsed light from a blue LED (385 nm) oxygen reduction at the electrode is effectively "switched off". A mechanism is tentatively assigned as photocatalytic depletion of oxygen near the electrode. Photoelectrochemical current responses are observed in aqueous NaOH, NaCl, Na(2)HPO(4)and shown to be light intensity and oxygen concentration dependent. Electroanalytical applications are suggested.

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来源
《Electroanalysis》 |2020年第12期|2756-2763|共8页
作者
Fan Bingbing; Zhao Yuanzhu; Putra Budi RizaHarito ChristianBavykin DmitryWalsh Frank C.Carta MariolinoMalpass-Evans RichardMcKeown Neil B.Marken Frank;
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作者单位

Univ Bath, Dept Chem, Claverton Down BA2 7AY, England;

Bina Nusantara Univ, Fac Engn, Ind Engn Dept, Jakarta 11480, Indonesia;

Univ Southampton, Fac Engn & Phys Sci, Energy Technol Res Grp, Southampton SO17 1BJ, Hants, EnglandSwansea Univ, Coll Sci, Dept Chem, Grove Bldg,Singleton Pk, Swansea SA2 8PP, W Glam, WalesUniv Edinburgh, Sch Chem, EaStCHEM, Joseph Black Bldg,David Brewster Rd, Edinburgh EH9 3JF, Midlothian, Scotland;

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正文语种英语
中图分类电化学、电解、磁化学;
关键词
semiconductor; 2D-titanate; oxygen sensor; seawater; light pulse; photoelectroanalysis;

Photoelectroanalytical Oxygen Detection with Titanate Nanosheet - Platinum Hybrids Immobilised into a Polymer of Intrinsic Microporosity (PIM-1)

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