Selective introduction of surface defects in anatase TiO2 nanosheets for highly efficient photocatalytic hydrogen generation

Ultrathin Layered Structure and Oxygen Vacancies Mediated Efficient Charge Separation toward High Photocatalytic Activity in BiOIO3 Nanosheets

“…The ultrathin structure can facilitate the migration of charge carriers, thus reducing the recombination of photoinduced holes and electrons due to a short distance to the surface . Meanwhile, the higher concentration of oxygen vacancies on the nanosheet surface can capture the photoinduced electrons and influence the charge arrangement, further promoting the separation of photogenerated electron–hole pairs. , The separated electrons and holes can be beneficial for the formation of reactive oxygen species and then motivate the photocatalytic reaction.…”

“…16 Meanwhile, the higher concentration of oxygen vacancies on the nanosheet surface can capture the photoinduced electrons and influence the charge arrangement, further promoting the separation of photogenerated electron−hole pairs. 39,40 The separated electrons and holes can be beneficial for the formation of reactive oxygen species and then motivate the photocatalytic reaction.…”

Advanced MnOx/MnWO4 hetero-nanoflakes with abundant oxygen vacancies for high-performance flexible asymmetric supercapacitors with high energy density

“…Other peaks siting at 286.55 eV and 289.77 eV represent the oxygen single-bonded (such as C-O/ C-N bonds) and the carbonyl carbon (O-CO bonds), respectively. 29,[32][33][34][35] To provide the direct evidence of oxygen vacancies, electron paramagnetic resonance (EPR) tests were conducted. As shown in Fig.…”

Oxygen Vacancies Boost High‐Energy {100} Faceted TiO2 for Efficient Photocatalytic Degradation of Rhodamine B

“…[15][16][17] For example, the oxygen-enriched vacancy titanium dioxide prepared by Shen et al showed better photocatalytic activity for nitric oxide (NO) removal than the original titanium dioxide. [18] However, the concentration of vacancies and the complex chemical environment directly affect the contribution of vacancies to materials. [19,20] It is well known that the unique physical and chemical properties of TiO 2 are not only dominated by the intrinsic electronic properties, but also by its structural organization and surface properties.…”

“…For example, the oxygen‐enriched vacancy titanium dioxide prepared by Shen et al. showed better photocatalytic activity for nitric oxide (NO) removal than the original titanium dioxide [18] . However, the concentration of vacancies and the complex chemical environment directly affect the contribution of vacancies to materials [19,20] …”