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

Quantum Dots

Quantum Dots

Quantum Dots

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

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

ZnS - Quantum Dots Model Fabrication 100oC 2 hour ZnS + 2H20 Zn(OH)2 + H2S Zn(OH)2 + H2S ZnS + H2O Cold acetone nanoparticles

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

Carbon Nanotubes Modification

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

Carbon Nanotubes Modification

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

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

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

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

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

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

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

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