Nanowerk  March 11, 2024
Physical reservoir computing (PRC), which mimics the human brain using physical phenomena, offers a low-power consumption architecture. However, creating a flexible and easily disposable sensors using PRC capable of processing optical signals with sub-second response times suitable for biological signals presents a challenge. Researchers in Japan designed disposable and flexible paper-based optoelectronic synaptic devices which are composed of nanocellulose and ZnO nanoparticles, for PRC. The device exhibited synaptic photocurrent in response to optical input. Â The memory capacity of short-term memory task, indicating the device’s ability to store past information was 1.8. It could recognize handwritten digits with an accuracy of 88%. These results highlight the potential of the device for PRC. The accuracy was not affected even when the device was subjected to 1000 rounds of bending. Â The device could be simply burned like paper to dispose it… read more. Open Access TECHNICAL ARTICLE
Device structure and transient photocurrent… Credit: Advanced Electronic Materials, 22 February 2024Â Â Â