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Flocculates of Au nanoparticles in catalysis

Flocculates of Au nanoparticles in catalysis. NMSL – nanoAu and catalysis. Nanoparticle : AuNS-L-Pd. Goal Catalytic reaction within nanoparticle flocculates Experiment Cyclotrimerization of 3-hexyne in chloroform at r.t. Dispersed in DMSO. 取出上層. Dispersed in CHCl 3. 靜置. + DMSO.

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Flocculates of Au nanoparticles in catalysis

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  1. Flocculates of Au nanoparticles in catalysis NMSL – nanoAu and catalysis B. Y. Wang, J. H. Chen

  2. Nanoparticle:AuNS-L-Pd • Goal • Catalytic reaction within nanoparticle flocculates • Experiment • Cyclotrimerization of 3-hexyne in chloroform at r.t. Dispersed in DMSO 取出上層 Dispersed in CHCl3 靜置 + DMSO Sub-micron Flocculates B. Y. Wang, J. H. Chen

  3. Results Dispersed in CHCl3 Upper Soln (C) (D) (A) (B) Aging (A) (B) Dispersed in DMSO (D) (A) (A) + DMSO 157±23 nm B. Y. Wang, J. H. Chen

  4. Results Dispersed in CHCl3 (C) (D) (A) (A) (B) Upper Soln Aging (C) (A) (B) Dispersed in DMSO (B) (C) + DMSO B. Y. Wang, J. H. Chen

  5. Catalysis of different types B. Y. Wang, J. H. Chen

  6. Catalytic results • 1 c.c. CDCl3; 0.075 mmol reactant; R.T. ; Stir rate: 300 rpm B. Y. Wang, J. H. Chen

  7. Richard Wang

  8. 507-Pd毒化實驗 8.6 8.2 L-Pd L-Pd L+L-Pd+thiol L+L-Pd L B. Y. Wang, J. H. Chen

  9. Sample 1 攪拌前後光譜變化 8.6 8.2 攪拌後 攪拌前 B. Y. Wang, J. H. Chen

  10. B. Y. Wang, J. H. Chen

  11. Sample G B. Y. Wang, J. H. Chen

  12. Sample 1 B. Y. Wang, J. H. Chen

  13. 反應系統 • Heck reaction • Reactioncondition:115 oC for 1.5 hr Need Pd 1x10-7 mol Pd: 0.001 mol% NEt3 0.375 ml Bp: 88.8 oC; 0.25 ml DMSO 10 mmol 0.355 ml Bp: 160 oC; MW: 128; D: 0.899 g/ml 10 mmol 0.278 ml Bp: 182 oC; MW: 203; D: 1.823 g/ml Richard Wang

  14. 反應系統 • Cyclotrimerization • Reactioncondition:r.t. for 0.5 hr Need Pd 3x10-6 mol Pd: 4 mol% 0.075 mmol 8.52 ml Bp: 81 oC; MW: 82.14; D: 0.723 g/ml 1 ml CHCl3、THF Richard Wang

  15. RAW DATA B. Y. Wang, J. H. Chen

  16. A-1 B. Y. Wang, J. H. Chen

  17. B-1 B. Y. Wang, J. H. Chen

  18. A-2 B. Y. Wang, J. H. Chen

  19. B-2 B. Y. Wang, J. H. Chen

  20. C. AuNS-L-Pd

  21. D. AuNS-L

  22. D. AuNS-L-Pd

  23. F. AuNS-L

  24. F. AuNS-L-Pd

  25. G. AuNS-L-Pd

  26. H. AuNS-L

  27. H. AuNS-L-Pd

  28. 1. L-AuNS-L-Pd B. Y. Wang, J. H. Chen

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