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. 2015 Aug 12;10:320. doi: 10.1186/s11671-015-1013-1

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© Cai and Wang. 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 5 — User-interactive electronic skin (E-skin) using CNT-TFTs. a Left panel: optical micrograph of one pixel before integrating OLED and pressure sensitive rubber (PSR). Right panel: SEM image showing the channel region of the CNT-TFTs. b Schematic diagram showing the exploded view of one pixel, consisting of a CNT-TFT, an OLED, and a layer of PSR vertically integrated on a polyimide substrate. c Operation of the E-skin system with 16 × 16 pixels, showing the OLEDs are turned locally on where pressure is applied. d Optical and electrical readout from the E-skin system when an L-shaped PDMS slab is used to apply pressure onto the sample. Reproduced from ref. [72]