![]() Our work provides one effective strategy to modulate surface electron density of plasmonic semiconductor for enhanced photocatalysis. Moreover, oxygen vacancies on plasmonic BWO-NDs act as active sites for CH4 generation. Therefore, during CO2 reduction reaction (CO2-RR), the optimal 15%-BWO-NDs/TO-NSs heterostructures generate 57.6 μmol g-1 methane with a selectivity of 75% in 3 h, which is over 12- and 5-fold higher than that of TO-NSs and plasmonic Bi2WO6, respectively. Surface Book with Performance Base - 1TB / Intel Core i7 Wish list Built for performance and professional software with 6th Gen Intel Core processor Unmatched graphics power 13. Moreover, the surface electron modulation breaks the limitation of surface depletion layer on hot electron generation of plasmonic BWO-NDs. UV-visible light excited electrons on both TO-NSs and BWO-NDs are collected on nanodots to modulate their surface electron density, leading to the strongest surface plasmon resonance (SPR) in 5 s. Herein, plasmonic Bi2WO6 nanodots (BWO-NDs) with oxygen-vacancy-induced electron trapping states were controllably grown on TiO2 nanosheets (TO-NSs) as plasmonic heterostructures for enhanced photocatalysis. Surface depletion layer of plasmonic semiconductors in which electron density has a rapid decrease is the bottleneck for their photocatalysis. ![]()
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