Creating Defined 3-D Defects Inside an Opaline Ormocer® Matrix with Two-Photon Lithography

Autor:	Christopher K. Ober, Rudolf Zentel, Lorenz Steidl, Shalin J. Jhaveri, Birger Lange, Ramakrishnan Ayothi
Rok vydání:	2007
Předmět:	Materials science Polymers and Plastics Band gap business.industry Replica Organic Chemistry Multiphoton lithography law.invention Wavelength Optics law Materials Chemistry Photolithography business Lithography Refractive index Photonic crystal
Zdroj:	Macromolecular Rapid Communications. 28:922-926
ISSN:	1521-3927 1022-1336
Popis:	The creation of defined structures inside a synthetic opal is a key step toward applications in optics, where control of the propagation of light inside a photonic crystal is necessary. In a previous paper, we described the nanostructuring of Ormocer® to form inverse opals (Lange et al., Macromol. Rapid Commun. 2006, 27, 1746). Here, we report an application for this robust replica process in which defects can be directly produced within the PC by two-photon lithography. The holes of an inverse opal structure are first filled with a resin of similar refractive index. In this transparent material, polymerization can be initiated at defined places via two-photon lithography. After removal of the unpolymerized resin, buried fluorescent defects of dimensions comparable to the repeating units of the replica are found. The wavelength of their emission can be adjusted to the band gap of the replica.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::072955f70d4e7bdb6ee3b5ebeab8562e https://doi.org/10.1002/marc.200600879 Zobrazit plný text záznamu Plný text