To produce light, a semiconductor Fe2O3 and ZnO are used in LED designs. Perform a search using Tables 4.1 and 4.2 to determine what colour of light is produced.
To produce light, a semiconductor Fe2O3 and ZnO are used in LED designs. Perform a search using Tables 4.1 and 4.2 to determine what colour of light is produced.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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To produce light, a semiconductor Fe2O3 and ZnO are used in LED designs. Perform a search using Tables 4.1 and 4.2 to determine what colour of light is produced.
![Table 4.1
|Jadual 4.1]
Band Gap (eV)
[Sela Jalur (eV)|
2.3
2.5
Band Gap (eV)
/Sela Jalur (eV)|
1.7
Semiconductor
Semiconductor
/Semikonduktor|
Fe2O3
/Semikonduktor|
CdSe
g-C3N4
Cu2O
CdS
2.7
WO3
2.8
2.2
TiO2 (rutile)
TiO2 (anatase)
ZnO
V2Os
CeO2
ZnS
3.0
2.4
2.94
3.2
3.2
3.6
SnO2
3.5
SiC
3.0
Table 4.2
|Jadual 4.2]
Colour
[Warna
Violet
Wavelength (nm)
[Panjang gelombang (nm)|
380 - 450
Blue
Green
450 – 495
495 - 570
Yellow
Orange
Red
570 – 590
590 – 620
620 - 750](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc05dd58f-1586-4315-bfba-1d0857652509%2F3072f934-55bb-4da0-bf70-35c3101fb09c%2Fe3r71a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Table 4.1
|Jadual 4.1]
Band Gap (eV)
[Sela Jalur (eV)|
2.3
2.5
Band Gap (eV)
/Sela Jalur (eV)|
1.7
Semiconductor
Semiconductor
/Semikonduktor|
Fe2O3
/Semikonduktor|
CdSe
g-C3N4
Cu2O
CdS
2.7
WO3
2.8
2.2
TiO2 (rutile)
TiO2 (anatase)
ZnO
V2Os
CeO2
ZnS
3.0
2.4
2.94
3.2
3.2
3.6
SnO2
3.5
SiC
3.0
Table 4.2
|Jadual 4.2]
Colour
[Warna
Violet
Wavelength (nm)
[Panjang gelombang (nm)|
380 - 450
Blue
Green
450 – 495
495 - 570
Yellow
Orange
Red
570 – 590
590 – 620
620 - 750
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