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Time-evolved absorption spectra of (a, b) RGO-para-AZO and (c, d) RGO-ortho-AZO hybrid under the irradiation of UV light at 365 nm and storage in darkness after the irradiation, and (e) First plots of Z → E thermal reversion of AZO and RGO-AZO hybrids with different κrev (the inset) and (f) κrev and κiso of RGO-para-AZO and RGO-ortho-AZO hybrids in five cycles.
