A bioinspired self-powered optical tactile sensing system with ultrahigh sensitivity and ultralow detection limit.

Tingting Hou, Chaojie Chen, Ru Guo, Shaoshuai He, Yunlong Zi

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Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Tingting HouDepartment of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.

Chaojie ChenDepartment of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.ORCID http://orcid.org/0000-0001-6422-5514

Ru GuoDepartment of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.

Shaoshuai HeThrust of Sustainable Energy and Environment, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, Guangdong, China.

Yunlong ZiDepartment of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China. ylzi@hkust-gz.edu.cn.ORCID http://orcid.org/0000-0002-5133-4057

Funding

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6 · The paper itself

Abstract

High-sensitivity tactile perception is vital for precise robotic operations in human-machine interactions (HMI). Currently, state-of-the-art tactile perception relies on electrical sensors which demand complex circuits and decoding components, leading to increased energy consumption and susceptibility to electromagnetic interference. Hence, the utilization of human-perceptible signals, such as visible light, as the transmission medium is necessary. Inspired by the mechano-electro-optical transduction mechanism in dinoflagellate bioluminescence, here we propose a self-powered optical tactile sensing system (SOTS) for converting the electrical signal of pressure sensing into visible luminescent intensity, thereby enabling the wireless transmission and visualization of tactile information. The proposed SOTS features an ultrahigh sensitivity (22.4 kPa

Identifiers

PMID41298502

DOI10.1038/s41467-025-66792-8

PMCPMC12749114

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