The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2012
Filed:
Feb. 04, 2011
Roman Krahne, Genoa, IT;
Liberato Manna, Genoa, IT;
Margherita Zavelani-rossi, Milan, IT;
Guglielmo Lanzani, Milan, IT;
Salvatore Girardo, Surbo, IT;
Dario Pisignano, Lecce, IT;
Maria Grazia Lupo, Liscate, IT;
Roman Krahne, Genoa, IT;
Liberato Manna, Genoa, IT;
Margherita Zavelani-Rossi, Milan, IT;
Guglielmo Lanzani, Milan, IT;
Salvatore Girardo, Surbo, IT;
Dario Pisignano, Lecce, IT;
Maria Grazia Lupo, Liscate, IT;
Fondazione Istituto Italiano di Technologia, Genoa, IT;
Abstract
A method of producing a lasing microsource of colloidal nanocrystals. The method includes the steps of preparing a nanocrystal solution in a solvent; depositing at least a drop of the nanocrystals solution with a drop volume below 1 nl on a flat substrate; and evaporating the solvent to dryness thereby to obtain at the edge of the evaporated drop a single annular stripe including a domain wherein the nanocrystals are arranged in an ordered array, wherein the ordered nanocrystals in the domain constitute an active region capable of lasing and the radially inner and outer edges of the stripe define a resonant cavity in which the active region is inserted.