Treat the Metal Nanoparticles to a Surface Modifier to Form Surface Modified Metal Nanoparticles
US007259101B2 (12) United States Patent (10) Patent No.: US 7.259,101 B2 Zurcher et al. (45) Date of Patent: Aug. 21, 2007 (54) NANOPARTICLES AND METHOD FOR 4,381.945. A 5/1983 Nair .......................... 106.1.14 MAKING THE SAME 4.418,099 A 1 1/1983 Cuevas et al. .............. 427,229 4,463,030 A 7, 1984 Deffeyes et al. ............ 427,216 (75) Inventors: Fabio Zurcher, Brisbane, CA (US); Brent Ridley, San Carlos, CA (US); (Continued) Klaus Kunze, Half Moon Bay, CA FOREIGN PATENT DOCUMENTS (US); Scott Haubrich, Castro Valley, CA (US); Joerg Rockenberger, EP 1 OOO 949 A1 5, 2000 Redwood City,ty CA (US)(US (Continued) (73) Assignee: Kovio, Inc., Sunnyvale, CA (US) OTHER PUBLICATIONS (*) Notice: Subject to any disclaimer, the term of this “Enhanced Photoluminescence from Si Nano-organosols by patent is extended or adjusted under 35 Functionalization with Alkenes and Their Size Evolution', Shu U.S.C. 154(b) by 96 days. Man Liu et al., 2006, American Chemical Society, p. 637-642. (21) Appl. No.: 11/271,042 (Continued) Primaryy Examiner Savitri Mulpurip (22) Filed: Nov. 10, 2005 (74) Attorney, Agent, or Firm—Haverstock & Owens LLP (65) Prior Publication Data (57) ABSTRACT US 2007/O167O19 A1 Jul. 19, 2007 A method for making nanoparticles, nanoparticle inks and Related U.S. Application Data device layers therefrom is disclosed. In accordance with the (62) Division of application No. 10/339,741, filed on Jan present invention, nanoparticles are isolated from a com 8, 2003 re t. No. 7 078 276 s us posite material that is formed by treating a metal oxide s , now Fal.
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