Photocurrent Enhancement via Trapping of Photogenerated Electrons of TiO, Particles
نویسنده
چکیده
The photocurrents derived from Ti02 suspensions are enhanced when reducible species such as Cu2+ and Fe3+ are added to cells containing these suspensions. This process is proposed to ocm via trapping of photogenerated electrons in the Ti02 by these solution species, thereby reducing the extent of deleterious electron-hole recombination. The ability of platinum deposita on Ti02 particles to participate in electron trapping and enhance photocurrent via formation of Pt-H species was demonstrated by electrochemical detection of adsorbed H on irradiated Pt/Ti02.
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تاریخ انتشار 2001