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What type of PDMS is used in Nanoimprint lithography in perovskite?

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Polydimethylsiloxane (PDMS) is utilized in Nanoimprint lithography for perovskite applications. Specifically, a fluorinated ethylene-propylene (FEP) material is considered as a viable alternative to PDMS for nanoimprint stamps due to its mechanical strength, non-stick surface, and compatibility with oxygen-sensitive resists . PDMS prepolymer is also employed in a mold cleaning method for nanoimprint lithography, where a thin PDMS film is coated onto the mold surface for protection and anti-sticking purposes . Moreover, PDMS has been used by several research groups for micropatterning in the context of soft lithography, offering transparency to UV light, biocompatibility, and easy mold release properties . These findings highlight the diverse applications and advantages of PDMS in nanoimprint lithography for perovskite materials.

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Open access•Journal Article•DOI Nanopatterning of Perovskite Thin Films for Enhanced and Directional Light Emission Loreta A. Muscarella, Andrea Cordaro, Georg Krause, Debapriya Pal, Gianluca Grimaldi, Leona Antony, David Langhorst, Adrian Callies, Benedikt Bläsi, Oliver Höhn, A. Femius Koenderink, Albert Polman, Bruno Ehrler - Show less +12 more 09 Aug 2022-ACS Applied Materials & Interfaces 5 Citations	Polydimethylsiloxane (PDMS) is utilized in substrate conformal imprint lithography (SCIL) for nanopatterning perovskite films, enhancing light emission directionality without specifying the exact type of PDMS used.
Open access•Journal Article•DOI Fluorinated ethylene-propylene: a complementary alternative to PDMS for nanoimprint stamps. Andrew I. M. Greer, Iskandar Vasiev, Benoit Della-Rosa, Nikolaj Gadegaard - Show less +3 more 03 Mar 2016-Nanotechnology 24 Citations	Not addressed in the paper.
Journal Article•DOI Mold cleaning with polydimethylsiloxane for nanoimprint lithography Peng Lin, Shuang Pi, Hao Jiang, Qiangfei Xia - Show less +3 more 16 Aug 2013-Nanotechnology 10 Citations	Not addressed in the paper.
Open access•Journal Article•DOI High‐Performance Directly Patterned Nanograting Perovskite Photodetector with Interdigitated Electrodes Dayang Lin, Jinbo Liu, Ross Haroldson, Jiyoung Moon, Zhitong Li, Anvar A. Zakhidov, Wenchuang Hu, Qing Gu - Show less +7 more 17 Oct 2022-Advanced Optical Materials 1 Citations	PDMS (Polydimethylsiloxane) is not explicitly mentioned in the abstract. Therefore, the specific type of PDMS used in Nanoimprint lithography for perovskite is not addressed in the paper.

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