3. Hasil Karakterisasi DR-UV
Fotokatalis Kadar Logam
Band Gap
TiO
2
- 3,42
NiTiO
2
0,5 3,10
1 3,08
1,5 3,01
2 3,22
ZnTiO
2
0,5 3,24
1 3,13
1,5 3,20
2 3,24
Zn-NiTiO
2
0,5 2,56
1 2,82
1,5 2,72
2 2,93
3.1. Perhitungan Band gap
3.1.1. TiO
2
y= 56,65x-194,1 0= 56,65x-194,1
194,1= 56,65x
y = 56.65x - 194.15 R² = 0.9944
2 3
4 5
6 7
8 9
10
3.35 3.45
3.55 3.65
FR h
v 2
hv
10 20
30 40
50 60
70
2 4
6 8
FR h
v 2
hv
x=3,42 eV e.g
3.1.2. Zn0,5TiO
2
y= 279,9x-908,5 0= 279,9x-908,5
908,5=279,9x x= 3,25 eV nilai e.g
3.1.3. Zn1TiO
2
y= 37,38x-117,3 0= 37,38x-117,3
117,3=37,38x x= 3,13 eV nilai e.g
y = 279.92x - 908.56 R² = 0.9963
20 25
30 35
40 45
50
3.2 3.3
3.4 3.5
FR h
v 2
hv
y = 37.388x - 117.3 R² = 0.9954
1 2
3 4
5
3.1 3.15
3.2 3.25
3.3
FR h
v 2
hv
-200 200
400 600
800
2 4
6 8
FR h
v 2
hv
20 40
60 80
2 4
6 8
FR h
v 2
hv
3.1.4. Zn1,5TiO
2
y= 152,0x-486,7 0= 152,0x-486,7
486,7= 152,0x x= 3,20 eV nilai e.g
3.1.5. Zn2TiO
2
y = 443,1x – 1437
0 = 443,1x – 1437
443,1x = 1437 x = 3,24 eV nilai e.g
y = 152.03x - 486.72 R² = 0.9992
5 10
15 20
25 30
3.17 3.27
3.37 3.47
FR h
v 2
hv
y = 443.15x - 1437.9 R² = 0.9964
10 20
30 40
50 60
70
3.2 3.25
3.3 3.35
3.4
FR h
v 2
hv
-20 20
40 60
80 100
2 4
6 8
FR h
v 2
hv
-20 20
40 60
80 100
120 140
2 4
6 8
FR h
v 2
hv
3.1.6. Ni0,5TiO
2
y= 177,7x-551,8 0= 177,7x-551,8
551,8= 177,7x x= 3,11 eV nilai e.g
3.1.7. Ni1TiO
2
y= 34,33x – 105,8
0= 34,33x – 105,8
34,33x= 105,8 x= 3,08 eV nilai e.g
y = 177.73x - 551.86 R² = 0.9985
5 10
15 20
25
3.1 3.15
3.2 3.25
FR h
v 2
hv
y = 34.331x - 105.83 R² = 0.999
2 3
4 5
6 7
8
2.9 3.1
3.3 3.5
FR h
v 2
hv
-5 5
10 15
20 25
30 35
40
2 4
6 8
FR h
v 2
hv
50 100
150 200
250 300
350
2 4
6 8
FR h
v 2
hv
3.1.8. Ni1,5TiO
2
y= 38,82x-117,1 0= 38,82x-117,1
117,1= 38,82x x= 3,01 eV nilai e.g
3.1.9. Ni2TiO
2
y= 273,1x-878,7 0= 273,1x-878,7
878,7= 273,1x x= 3,22 eV nilai e.g
y = 38.821x - 117.18 R² = 0.9984
3 5
7 9
11
3.05 3.15
3.25 3.35
FR h
v 2
hv
y = 273.1x - 878.72 R² = 0.9911
10 15
20 25
30 35
3.15 3.25
3.35
FR h
v 2
hv
5 10
15
2 4
6 8
FR h
v 2
hv
500 1000
1500 2000
2500
2 4
6 8
FR h
v 2
hv
3.1.10. Zn0,5-Ni1TiO
2
y= 3,168x-8,097 0= 3,168x-8,097
8,097= 3,168x x= 2,56 eV nilai e.g
3.1.11. Zn1-Ni1TiO