Oxygen-vacancy-mediated energy transfer for singlet oxygen generation by diketone-anchored MIL-125

Selectively Lighting Up Singlet Oxygen via Aggregation-Induced Electrochemiluminescence Energy Transfer

“…According to Figures H and E, EPR response for the O V of electrochemically oxidizing Zn 2+ -AIE-AuNCs in carbonate buffer containing TEA is about 13-fold higher than that for the O V of photoexciting Zn 2+ -AIE-AuNCs in DDW, indicating that obvious promoted O V of Zn 2+ -AIE-AuNCs can be achieved by electrochemically oxidizing Zn 2+ -AIE-AuNCs in carbonate buffer containing TEA . Previous studies have demonstrated that increased Ov and/or positively charged binding sites not only favors O 2 adsorption and enhances the formation of 1 O 2 via energy transfer but also can act as trapping sites that assist the charge recombination of holes and electrons . The positively charged Zn 2+ -AIE-AuNCs generated via Ox 1 and Ox 2 can also participate in O 2 adsorption and enhance the 1 O 2 formation process.…”

Construction of single-atom copper sites with low coordination number for efficient CO2 electroreduction to CH4

“…This binding energy shi and vacancy O peaks in XPS spectra manifest the improvement of oxygen vacancies in plasma activated CuDBC samples. 39 Electron paramagnetic resonance (EPR) spectra (Fig. 2f) were also obtained to further study the oxygen vacancy.…”

“…PA-CuDBC-1 and PA-CuDBC-2 exhibit very strong signals at g ¼ 2.000 induced by the oxygen vacancy. 37,39 These abundant oxygen vacancies and low coordinated copper sites (Fig. S12 †) were caused by the bombarding of high energy O 2 plasma, which have great potential in CO 2 electro-reduction.…”

In situconstructed oxygen-vacancy-rich MoO3−x/porous g-C3N4heterojunction for synergistically enhanced photocatalytic H2evolution

“…For MoO 3 , the O 1s peaks at 530.5, 532.2, and 533.0 eV, are due to Mo–O, oxygen vacancy, and –OH, respectively. 50 For MoO 3− x /g-C 3 N 4 (5%) nanosheets, the O 1s peaks from Mo–O and –OH positively shifted 0.6 and 1.6 eV, respectively, attributed to the interaction between the –OH of Mo(OH) 6 and the –NH 2 of g-C 3 N 4 . In order to further obtain more details information of oxygen vacancy, the ratios of different O species of MoO 3 and MoO 3− x /g-C 3 N 4 (5%) calculated by XPS, the analysis results are shown in Tables S2 and S3.…”