Journal
NANO ENERGY
Volume 90, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2021.106569
Keywords
Artificial skin; Color-tunable; Brain-inspired memory; Dual-functional; Quantum dots; Multiple responses
Categories
Funding
- National Natural Science Foundation of China [62075043]
- National Key Research and Development Program of China [2016YFB0401600]
- National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2019R1A2B5B03069968]
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This study proposes a universal strategy to achieve color-tunable skin with memory function, with devices having multiple responses to electrical and light stimulations.
These color-tunable devices can mimic the unique function of "once bitten, twice shy" to enhance self-protection.
The color tunability of the devices is consistent with the memory-forgetting curve proposed by psychologists.
The ability to combine the color-tunability capability of natural organisms with a memory function in a single device is highly desired and holds promise for potential applications such as intelligent artificial skin and human machine interfaces. In this work, we propose a universal strategy to realize color-tunable skin with the compound function of memory by ingeniously integrating a memristor interface into a flexible quantum-dot light-emitting device. The devices developed using this strategy have multiple responses to electrical and light stimulations and can easily change their color over a wide range from red to green. Moreover, these color-tunable devices can mimic the unique function of once bitten, twice shy to enhance self-protection, and their color tunability is consistent with the memory-forgetting curve proposed by psychologists.
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