Oxygen Vacancy-Mediated Interfacial Charge Transfer of Au/ZnO Schottky Heterojunctions for Enhanced UV Photodegradation

Figure 10

(a)–(d) Normalized nanosecond time-resolved transient photoluminescence (NTRT-PL) spectra of the pristine E-ZnO and Au/E-ZnO Schottky heterojunction nanocomposites for different deposition times (20 s, 40 s, and 80 s), respectively.

(a)

(b)

(c)

(d)