Bi(NO 3 ) 3
TTIP
Bi(NO 3 ) 3
TTIP
Bi(NO 3 ) 3
TTIP + EtoH
EtOH
NaNO 3
(0.5 mol L –1 )
pH 14
Hydrothermal treatment
(180°C: 24-36 h)
Flower-like Bi 12 TiO 20
Belt-like Bi 12 TiO 20
Tetrahedral-like Bi 12 TiO 20
NaNO 3
(1.5 mol L –1 )
Fig. 10.7 Schematic for fabrication of different morphology for Bi 12 TiO 20 by hydrothermal
approach. TTIP rephrases for Ti(OC 3 H 7 ) 4 . (Reprinted with permission of Royal Society of Chemistry from Guo et al. 2013)
Carbonaccous sphere
Bi 3+ & VO 3
– adsorption
Heating
H e a ti n g
Bi 3+ & VO 3
– adsorption
Bi 3+
VO 3
–
Bi-V-O
S lo w & fa s t h e a ti n g
Alkaline
treatment
Fig. 10.8 Schematic depicts the fabrication approach of hollow spheres BiVO 4 . (Reprinted with
permission of Elsevier from Zong et al. 2017)
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M. Zargazi and M. Chahkandi