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. 2018 Sep 19;5(9):1870051. doi: 10.1002/advs.201870051

Biomemory: Phototunable Biomemory Based on Light‐Mediated Charge Trap (Adv. Sci. 9/2018)

Ziyu Lv 1,2, Yan Wang 1, Zhonghui Chen 3, Long Sun 4, Junjie Wang 1, Meng Chen 5, Zhenting Xu 5, Qiufan Liao 6, Li Zhou 1, Xiaoli Chen 1, Jieni Li 6, Kui Zhou 1, Ye Zhou 5, Yu‐Jia Zeng 6, Su‐Ting Han 1, Vellaisamy A L Roy 2
PMCID: PMC6145397

Abstract

In article number https://doi.org/10.1002/advs.201800714, Ye Zhou, Su‐Ting Han, Vellaisamy A. L. Roy, and co‐workers report a phototunable carbon dots‐silk based resistive random access memory device. Ultraviolet illumination triggers excitons generation and subsequent photogating effect stemmed from trapped electrons in the active layer, ultimately decreasing the SET voltage. The photo‐enhanced charge trapping effect is considered to be in charge of the tunable resistive switching behavior.

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Keywords: carbon dots, charge trapping, Kelvin probe force microscopy, resistive switching, silk


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