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. 2023 Mar 28;24(1):2186689. doi: 10.1080/14686996.2023.2186689

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© 2023 The Author(s). Published by National Institute for Materials Science in partnership with Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 10. — (a) Letter recognition with positive, neutral, and negative mood states. Reproduced by permission from [184], copyright [2020, American Chemical Society]. (b) Dynamic current changes of the array manipulated by light wavelength (upper) and intensity (bottom). Reproduced by permission from [185], copyright [2021, American Chemical Society]. (c) Schematic diagram of the phototransistor structure. Reproduced by permission from [186], copyright [2021, Wiley‐VCH GmbH]. (d) The current responses of the PEA₂SnI₄/Y6 heterojunction phototransistor under red, green, blue, and NIR light illumination. (e) The process of perception and recognition of different color letters. Reproduced by permission from [187], copyright [2021, Wiley‐VCH GmbH].