Rational Modulation of Effective Mass Near Band Edge of Li2SnO3 to Increase Photogenerated Carrier Separation Ratio and Photocatalytic Performance
Yanrong Ren,
Hongzheng Pu,
Xi Wang
et al.
Abstract:Photogenerated carrier separation is important in photocatalysis. Doping may offer control over the effective masses of the photogenerated electrons and holes. Herein, a doping strategy in Li 2 SnO 3 enhanced photogenerated carrier separation, boosting photocatalysis. Substitution of Ge with Sn increased the effective mass of holes and reduced that of electrons; hence, the photogenerated electron/hole lifetime ratio in Li 2 Sn 0.90 Ge 0.10 O 3 was approximately 2.8 times as great as that of Li 2 SnO 3 . Photoc… Show more
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