From: Biosynthesis, characterization and optimization of TiO2 nanoparticles by novel marine halophilic Halomonas sp. RAM2: application of natural dye-sensitized solar cells
Name
Code
Levels of coded variables
− α
− 1
0
+ 1
+ α
TiO2 concentration (M)
A
0.005
0.0141214
0.0275
0.0408786
0.05
pH
B
5
5.8
7
8.2
9
Reaction duration (min)
C
60
72
90
107
120