Fig. 5From: ZnFe2O4 Nanotapers: Slag Assistant-Growth and Enhanced Photoelectrochemical Efficiency a TEM image of the REO/ZFO nanotapers. b Enlarged view taken from Fig. 3a. c, d HRTEM images taken from boxed regions in Fig. 3b. The inset is the FFT pattern. e Element mappings of Fe (1), Zn (2), O (3), Ca (4), and La (5) observed in Fig. 3aBack to article page