Polymer/Metal Nanocomposite Synthesis in Supercritical CO2

Chemistry of Materials

Volumn 7, Issue 11, 1995, Pages 1991-1994

  Watkins, James J ^a   McCarthy, Thomas J ^a  

^a UNIVERSITY OF MASSACHUSETTS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33751155211     PISSN: 08974756     EISSN: 15205002     Source Type: Journal    
DOI: 10.1021/cm00059a001     Document Type: Article

References (44)

1. Andres, R. P.; Averback, R. S.; Brown, W. L.; Brus, L. E.; Goddard, III, W. A.; Kaldor, A.; Louie, S. G.; Moscovits, M.; Peercy, P. S.; Riley, S. J.; Siegel, R. W.; Spaepen, F.; Wang, Y. J. Mater. Res. 1989, 4, 704.
2. Stucky, G. D.; Mac Dougall, J. E. Science 1990, 247, 669.
3. Chan, Y. N. C.; Craig, G. S. W.; Schrock, R. R.; Cohen, R. E. Chem. Mater. 1992, 4, 885.
4. Sankaran, V.; Yue, J.; Cohen, R. E.; Schrock, R. R.; Silbey, R. J. Chem. Mater. 1993, 5, 1133.
5. Yue, J.; Sankaran, V.; Cohen, R. E.; Schrock, R. R. J. Am. Chem. Soc. 1993, 115, 4409.
6. Tassoni, R.; Schrock, R. R. Chem. Mater. 1994, 6, 744.
7. Wang, Y.; Suna, A.; Mahler, W.; Kasowski, R. J. Chem. Phys. 1987, 87, 7315.
8. Ziolo, R. F.; Giannelis, E. P.; Weinstein, B. A.; O’Horo, M. P.; Ganguly, B. N.; Mehrotra, V.; Russell, M. W.; Huffmam, D. R. Science 1992, 257, 219.
9. Chan, Y. N. C.; Schrock, R. R.; Cohen, R. E. Chem. Mater. 1992, 4, 24.
10. Cummins, C. C.; Schrock, R. R.; Cohen, R. E. Chem. Mater. 1992, 4, 27.
11. Chan, Y. N. C.; Schrock, R. R.; Cohen, R. E. J. Am. Chem. Soc. 1992, 114, 7295.
12. Yuan, Y.; Fendler, J. H.; Cabasso, I. Chem. Mater. 1992, 4,312.
13. Andrews M. P.; Ozin, G. A. Chem. Mater. 1989, 1, 174.
14. Klabunde, K. J.; Habdas, J. Cardenas-Trivino, G. Chem. Mater. 1989, 1, 481.
15. Watkins, J. J.; McCarthy, T. J. Macromolecules 1994,27, 4845.
16. Watkins, J. J.; McCarthy, T. J. Macromolecules 1995,28, 4067.
17. Berens, A. R.; Huvard, G. S.; Korsmeyer, R. W.; Kunig, F. W. J. Appl. Polym. Sci. 1992, 46, 231.
18. Berens, A. R.; Huvard, G. S. Supercritical Fluid Science and Technology, ACS Symp. No. 406; Johnston, K. P., Penniger, J. M. L., Eds.; American Chemical Society: New York, 1989.
19. Fleming, G. K.; Koros, W. J. Macromolecules 1986, 19, 2285.
20. Wissenger, R. G.; Paulaitis, M. E. J. Polym. Sci., Polym. Phys. Ed 1987 25 2497
21. Shim’ J. J.; Johnston, K. P. AlChE J. 1991, 37, 607.
22. Kaupp, G. Angew. Chem., Int. Ed. Eng. 1994, 33, 1452.
23. Johnston, K. P. Nature 1994, 368, 187.
24. Wu, B. C.; Klein, M. T.; Sandler, S. I. Ind. Eng. Chem. Res. 1991, 30, 822.
25. Hyatt, J. A. J. Org. Chem. 1984, 49, 5097.
26. DeSimone, J. M.; Maury, E. E.; Menceloglu, Y. Z.; McClain, J. B.; Romack, T. J.; Combes, J. R. Science 1994, 265, 356.
27. DeSimone, J. M.; Guan, Z.; Elsbernd, C. S. Science 1992, 257, 945.
28. Adamsky, F. A.; Beckman, E. J. Macromolecules 1994,27, 312.
29. Rathke, J. W.; Klingler, R. J.; Krause, T. R. Organometallics 1991, 10, 1350.
30. Suppes, G. J.; Occhiogrosso, R. N.; McHugh, M. A. Ind. Eng. Chem Res 1989, 28, 1152.
31. Jobling, M. J.; Howdle, S. M.; Healy, M. A.; Poliakoff, M. J. Chem. Soc., Chem. Commun. 1990, 1287.
32. Jobling, M.; Howdle, S. M.; Poliakoff, M. J. Chem. Soc., Chem. Commun. 1990, 1762.
33. XPS analysis of Ar+ ion sputter-cleaned platinum films prepared by reducing CODPtMe2 from CO2 onto polished silicon wafers indicates that extremely high-purity platinum is obtained in the reaction reported here.
34. Kumar, R.; Roy, S.; Rashdi, M.; Puddephatt, R. J. Polyhedron 1989, 8, 551.
35. Dryden, N. H.; Kumar, R.; Ou, E.; Rashidi, M.; Roy, S.; Norton, P. R. Puddephatt, R. J.; Scott, J. D. Chem. Mater. 1991, 3, 677.
36. Miller, T. M.; Izumi, A. N.; Shih, Y.-S.; Whitesides, G. M. J. Am. Chem. Soc. 1988, 110, 3146.
37. Miller, T. M.; McCarthy, T. J.; Whitesides, G. M. J. Am. Chem. Soc. 1988, 110, 3156.
38. The maximum solvent strength of CO2 at elevated pressures has been compared to that of the light hydrocarbons. 25 While this generalization does not account for a number of notable exceptions in which solubility in CO2 (and not in hydrocarbons) is attributed to specific solute–solvent interactions,26-27 44 it is a useful guide for the selection of organometallic precursors.
39. It is likely that shorter reaction times will also render complete reductions; we have yet to study the kinetics of the hydrogenolysis and thermolysis reactions.
40. Transmission electron microscopy (TEM) using either a JEOL 100 CX or a JEOL 1200 electron microscope was performed on thin sections obtained from the cross sections of the composites by microtomy using a glass knife.
41. SEM analysis of the polymer/metal composites was performed using a JEOL 6400 FXV field emission SEM. Secondary electron images (1 kV) of the uncoated composite surface and back-scattered electron images (BSI) of composite cross sections (light carbon coating, 15 kV) were obtained.
42. Wide-angle X-ray diffraction (WAXD) measurements were obtained using a modified Siemens D500 diffractometer operating in normal-transmission mode with Cu Ka radiation from a sealed tube.
43. Warren, B. E. X-ray Diffraction’, Dover Publications: New York, 1969; Chapter 13.
44. McHugh, M. A.; Krukonis, V. J. Supercritical Fluid Extraction, 2nd ed.; Butterworth-Heinemann: Boston, 1994; Chapter 5.