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Synthesis and utilization of platinum nanowires on multiple supports.

Synthesis and utilization of platinum nanowires on multiple supports This research studies the growth process of Pt nanowires on solid supports and addresses the utilization of various solid materials to function as supports for the growth of single crystal Pt nanowire

  • Title: Synthesis and utilization of platinum nanowires on multiple supports.
  • Author: Eric P. Lee
  • ISBN: 9780549843436
  • Page: 455
  • Format: NOOKstudy eTextbook
  • This research studies the growth process of Pt nanowires on solid supports and addresses the utilization of various solid materials to function as supports for the growth of single crystal Pt nanowires The purpose of which is to produce nanowires on a variety of substrates so that an ideal system can be developed for applications in a number of catalytic systems Polyol rThis research studies the growth process of Pt nanowires on solid supports and addresses the utilization of various solid materials to function as supports for the growth of single crystal Pt nanowires The purpose of which is to produce nanowires on a variety of substrates so that an ideal system can be developed for applications in a number of catalytic systems Polyol reduction of a Pt precursor in the presence of Fe3 or Fe2 has proven to be a simple and robust method for growing Pt nanowires, and has been used throughout this research A number of substrates were used as solid supports For the first demonstration, Pd coated colloidal spheres of a polymeric or ceramic material were used as the substrates to form shells of submonolayer or multilayer coatings of Pt nanoparticles or dense coatings of quasi radial Pt nanowires by varying the amount of iron species added to the polyol synthesis In addition to the use of colloidal spheres as substrates, nanofibers and flat substrates made of similar materials were used to grow dense arrays of Pt nanowires A simple procedure for derivatizing the surface of anatase TiO2 nanofibers with Pt nanoparticles and then Pt nanowires was developed and found to show excellent catalytic activity for the hydrogenation of azo bonds in methyl red A method to grow dense arrays of Pt nanowires directly onto flat silicon substrates was also developed by modifying the surface through chemical physical means Electrochemical measurements of the derivatized silicon samples demonstrated that this technique provides an effective route to fabricating arrays of Pt nanowires with high electroactive surface area for various electrochemical applications Finally, the synthesis of single crystal nanowires of Pt directly on the surface of metal gauze made of Pt or W was accomplished Electrochemical measurements demonstrate that the metal gauzes can serve as a new type of conductive support for use as active components for fuel cell applications and potentially as an ideal 3D model catalyst.

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    • [PDF] Download ð Synthesis and utilization of platinum nanowires on multiple supports. | by ✓ Eric P. Lee
      455 Eric P. Lee
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      Posted by:Eric P. Lee
      Published :2018-07-16T10:07:38+00:00

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