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Single\u2010crystal organic semiconductors, such as rubrene, present high detectivities and charge carrier mobility, making them attractive for light\u2010sensing applications. Growth of high crystallinity organic crystals is achieved using vapor processes, forming crystals of arbitrary shapes and orientations and requiring posterior patterning processes. However, patterning the organic semiconductors using industry\u2010standard microfabrication techniques is not straightforward, as these often cause irreversible damage to the crystals. Here the fabrication of patterned micrometric rubrene photosensors is demonstrated through a combination of photolithography and Reactive Ion Etching steps. Protective layers during microfabrication minimize degradation of optoelectronic properties of the organic single crystals during fabrication. Crystals undergoing the patterning process presented a survival rate of 39%. Photoresponse values of up to 41\u00a0mA W<jats:sup>\u22121<\/jats:sup> are obtained under illumination at 500\u00a0nm. This opens a route for the industrial\u2010scale fabrication process of high\u2010performance optoelectronic devices based on organic crystals semiconductors.<\/jats:p>","DOI":"10.1002\/adfm.202105638","type":"journal-article","created":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T05:40:52Z","timestamp":1630388452000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Organic Single Crystal Patterning Method for Micrometric Photosensors"],"prefix":"10.1002","volume":"31","author":[{"given":"Jo\u00e3o","family":"Serra","sequence":"first","affiliation":[{"name":"Instituto de Engenharia de Sistemas e Computadores \u2013 Microsistemas e Nanotecnologias (INESC MN)  Lisbon 1000\u2010029 Portugal"},{"name":"Instituto Superior T\u00e9cnico Universidade de Lisboa  Lisbon 1000\u2010029 Portugal"}]},{"given":"Sara","family":"Sequeira","sequence":"additional","affiliation":[{"name":"Instituto de Engenharia de Sistemas e 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