Dual mode electrochemical-photoelectrochemical sensing platform for hydrogen sulfide detection based on the inhibition effect of titanium dioxide/bismuth tungstate/silver heterojunction

References

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622Dual mode electrochemical-photoelectrochemical sensing platform for hydrogen sulfide detection based on the inhibition effect of titanium dioxide/bismuth tungstate/silver heterojunctionhttps://doi.org/10.1016/j.jcis.2020.07.120CompositeTiO2/Bi2WO6/Ag heterojunction

Materials

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BET
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622TiO2/Bi2WO6/Ag heterojunction200nmTEMAfter coating the TiO2 hollow nanostructures on the surfaces of SiO2 microspheres with the sol–gel reaction of TBOT and selective etching processes of NaOH, the average sizes were increased to 370 nm (Fig. 1D, E). Fig. S3 showed a typical TEM image of Ag nanocubes with an average size of about 76.2 nm.

Kinetics

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622TiO2/Bi2WO6/Ag heterojunctionPOD622622

Applications

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622TiO2/Bi2WO6/Ag heterojunctionhydrogen sulfide detectionH2SE-chem0.5-300μM0.08μM
622TiO2/Bi2WO6/Ag heterojunctionhydrogen sulfide detectionH2S0.5-100μM0.06μM