journal article·2017-03Open access

Photonic Nanostructures: Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo‐Metal Halide Perovskites (Adv. Mater. 12/2017)

Neda Pourdavoud, Si Wang, André Mayer, Ting Hu, Yiwang Chen, André Marianovich, Wolfgang Kowalsky, Ralf Heiderhoff, Hella‐Christin Scheer, Thomas Riedl

Advanced Materials· Volume 29· Issue 12

Abstract

2D photonic crystals (2D-PCs) are directly patterned into methylammonium lead iodide perovskite layers by thermal nanoimprint lithography (NIL) at moderate temperatures of only 100 °C, as described in article number 1605003 by Thomas Riedl and co-workers. The imprinted layers are significantly smoothened and surface defects are eliminated upon thermal imprint. 2D-PCs afford lasing with ultra-low lasing thresholds of 3.8 μJ/cm2 at room temperature, which is indicative of excellent material quality of the perovskite after imprint.
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Research context

OpenAlex topics: Photonic Crystals and Applications · Nanofabrication and Lithography Techniques · Luminescence and Fluorescent Materials

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Affiliations

Institute of Electronic Devices University of Wuppertal Rainer‐Gruenter‐Str. 21 42119 Wuppertal Germany

Microstructure Engineering University of Wuppertal Rainer‐Gruenter‐Str. 21 42119 Wuppertal Germany

College of Chemistry/Institute of Polymers Nanchang University 999 Xuefu Avenue Nanchang 330031 China

Institut für Hochfrequenztechnik Technische Universität Braunschweig Schleinitzstr. 22 38106 Braunschweig Germany

References

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