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Photochromism based on reversible proton transfer between metastable-state photoacids and acidochromic dyes is studied. Metastable-state photoacids reversibly produce a large proton concentration under moderate irradiation, protonate the acidochromic dyes and induce color change. This mechanism is different from that of conventional photochromic materials based on photoinduced structural change. The...
β-FeOOH loaded resin (β-FeOOH/resin) was synthesized through in situ hydrolysis of Fe(III)-exchanged resin and its physiochemical properties were characterized. The typical environmental endocrine disruptor, natural hormone 17β-estradiol (E2) was removed by heterogeneous photo-Fenton reaction in presence of β-FeOOH/resin and H 2 O 2 under weak UV irradiation. E2 degradation was effectively...
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