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. 2016 Feb 12;5(2):e16017. doi: 10.1038/lsa.2016.17

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Copyright © 2016 Changchun Institute of Optics, Fine Mechanics and Physics

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Experimental verifications of the hot electron injection energy transfer. (a) Photochromism of TiO₂ thin film dispersed with Ag PNPs, which originates from the electron exchange between Ag and TiO₂. (b) IR absorption of Au/TiO₂ in comparison with N3/TiO₂ and Au/ZrO₂. (c) Experimentally determined electron injection process and timescale. (d) Probe reaction of Ag⁺, which is used to detect electrons. Figure reproduced with permission: a, Ref. 73, © 2003 NPG; b, c, Ref. 74, © 2007 ACS; d, Ref. 79, © 2015 Wiley-VCH. IR, infrared.