1. Quantum Dots and Carbon Nanotubes Modifications
Jerzy (Georg) Peszke
Jan Dlugosz University, Czestochowa, Poland
Leszek Stobinski – Tatung University, Taipei, Taiwan Hong-Ming Lin – Tatung University, Taipei, Taiwan

2. Quantum Dots

3. Quantum Dots

4. Quantum Dots

5. ZnS - Quantum Dots Model
ZnS nanoparticle bonded with dodecylamine DDA
ZnS nanoparticle bonded with 2-aminoethylthiol

6. ZnS - Quantum Dots Model Fabrication
ZnS + 2HCl ZnCl2 + H2S
ZnCl2 + H2S + 6NH3*H2O
(NH4)2ZnO2 + (NH4)2S + 2NH4Cl + 4H2O
ZnS + 2NH4Cl + 2(NH4)2S + H2O
ZnCl2 + NH4SH + 2NH3*H2O

7. ZnS - Quantum Dots Model Fabrication
100oC
2 hour
ZnS + 2H Zn(OH)2 + H2S
Zn(OH)2 + H2S ZnS + H2O
Cold acetone
nanoparticles

8. Carbon Nanotubes Modification
Nanotube oxidation by HNO3
Synthesis of dodecylamine (DDA) derivatives of carbon nanotubes

9. Carbon Nanotubes Modification

10. Carbon Nanotubes Modification
Green spectra –
MWCNTS - COOH + ETOH
Red spectra –
MWCNTS – CO – O –CH2 – CH3

11. Carbon Nanotubes Modification

12. Carbon Nanotubes Modification
Green spectra –
MWCNTS - COOH + ETOH
Red spectra –
MWCNTS – CO – NH – CH2 – CH2 – N (CH2CH2)2O

13. ZnS bonded with Carbon Nanotubes
MWCNTS – COOH with ZnS nanoparticle
(MWCNTS – COOH – QD model)

14. ZnS bonded with Carbon Nanotubes
MWCNTS bonded with ZnS through dodecylamine linker

15. ZnS bonded with Carbon Nanotubes
ZnS bonded with MWCNTs through 2-aminoethylthiol linker

16. ZnS bonded with Carbon Nanotubes
ZnS bonded with MWCNTs through 2-aminoethylmorpholine linker

17. New methods of linking ZnS with Carbon Nanotubes
MWCNTS dopped by ZnS trough - SO3H functional group
MWCNTS dopped by ZnS trough – NO2 functional group

18. Synthesis of ZnS nanoparticles
ZnCl2 + Na2S ZnS + 2NaCl
ZnCl2 + NH2-CS-NH ZnS ClNH2CNH2Cl

19. Thank you for attention