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Figure 4. (A) Electron transfer process under inert atmosphere from MV to Cu S; (B) Fermi level equilibration between Cu S
2-x
2-x
+•
2+
Nanocrystals and MV /MV Redox Couple; (C) The absorption spectra, and (D) Electron transfer through LSPR response [73] . Copyright
© American Chemical Society 2016.
Figure 5. TEM micrograph of CuTe NCs: (A) nano-cubes; (B) nanoplates and (C) nanorods, and (D) absorption spectra of CuTe nano-
cubes, nanoplates, and nanorods [80] ; (E) Schematic diagram of reaction mechanism with surface treatment, TEM images of CuS NPs
synthesized with (F) and without (G) 1.0 mmol SnCl , (H) UV-vis-NIR absorption spectra of CuS NPs; and (I) UV-vis-NIR absorption
4
spectra of Cu S tetradecahedrons [68] . (A)-(C): Copyright © American Chemical Society 2013; (D)-(F): Copyright © American Chemical
31 16
Society 2016. TEM: transmission electron microscope.