Tailoring Structural, Electronic, Optical, and Photocatalytic Properties of Y2Ti2O7 through a Passivated Codoping Approach
Xinyue Yang,
Hongrui Li,
Hao Dong
et al.
Abstract:The large band gap of the Y 2 Ti 2 O 7 photocatalyst has limited its application only in the ultraviolet region. To enhance its photocatalytic activity for overall water splitting in the visible-light region, we have utilized a passivated codoping approach to construct eleven (X + M)-doped Y 2 Ti 2 O 7 systems (X = C, N, M = Ti, V, Zr, Nb, Mo, Hf, Ta, W), where a Ti/Y site is replaced with a metal dopant. The calculated negative formation energies indicate that all of the (X + M)-doped systems are easy to synt… Show more
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