preparation and characterizations of nano-zn 2 sio 4 :mn phosphors by titanium doping

Preparation and Characterizations ofPreparation and Characterizations of Nano-Zn Nano-Zn22SiOSiO44:Mn Phosphors by Titanium Doping:Mn Phosphors by Titanium Doping

報告學生：楊裕成 指導教授：鄭建民

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

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Co

un

ts

Time/ns

Fig1. Life time of Zn(2-x) Ti(x) SiO4 : Mn (x=0.01) phosphors were annealed at 1000 .℃

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

100

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Co

un

ts

Time/ns

Fig2. Life time of Zn(2-x) Ti(x)SiO4 : Mn (x=0.01) phosphors were annealed at 1100 .℃

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

100

200

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400

Co

un

ts

Time/ns

Fig3.Life time of Zn(2-x) Ti(x) SiO4 : Mn (x=0.01) phosphors were annealed at 1200 .℃

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

100

200

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400

Co

un

ts

Time/ns

Fig4. Life time of Zn(2-x) Ti(x)SiO4 : Mn (x=0.01) phosphors were annealed at 1300 .℃

( )℃

Fig5. Life time of Zn(2-x) Ti(x) SiO4 : Mn (x=0.01) phosphors were annealed at different

temperature.

1000 1050 1100 1150 1200 1250 1300

1100

1200

1300

1400

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1700T

ime

/ns

Temperature

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

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500C

ou

nts

Time/ns

Fig6. Life time of Zn(2-x) Ti(x) SiO4 : Mn (x=0.02) phosphors were annealed at 1000 .℃

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

100

200

300

400

500

Co

un

ts

Time/ns

Fig7. Life time of Zn(2-x) Ti(x)SiO4 : Mn (x=0.02) phosphors were annealed at 1100 .℃

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

100

200

300

400

500

Co

un

ts

Time/ns

Fig8. Life time of Zn(2-x) Ti(x)SiO4 : Mn (x=0.02) phosphors were annealed at 1200 .℃

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

0

100

200

300

400

500

Co

un

ts

Time/ns

Fig9. Life time of Zn(2-x) Ti(x)SiO4 : Mn (x=0.02) phosphors were annealed at 1300 .℃

( )℃Fig10. Life time of Zn(2-x) Ti(x)SiO4 : Mn (x=0.02) phosphors were annealed at different

temperature.

1000 1050 1100 1150 1200 1250 13001180

1200

1220

1240

1260

1280

1300

Tim

e/n

s

Temperature

0 500 1000 1500 2000 2500

0

100

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500C

ou

nts

Time/ns

Fig11. Life time of ZnTi(x)Si(1-x) O4 : Mn (x=0.02) phosphors were annealed at 1000 .℃

0 500 1000 1500 2000 2500

0

100

200

300

400

500C

ou

nts

Time/ns

Fig12. Life time ZnTi(x)Si(1-x) O4 : Mn (x=0.02) phosphors were annealed at 1100 .℃

Fig13. Life time of ZnTi(x)Si(1-x) O4 : Mn (x=0.02) phosphors were annealed at 1200 .℃

0 500 1000 1500 2000 2500

0

100

200

300

400

500

Co

un

ts

Time/ns

Fig14. Life time of ZnTi(x)Si(1-x) O4 : Mn (x=0.02) phosphors were annealed at different

temperature.

1000 1050 1100 1150 1200

900

1000

1100

1200

1300

1400C

ou

nts

Temperature ( )℃℃