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- Title
Smart touchless human–machine interaction based on crystalline porous cages.
- Authors
Wang, Jinrong; Lin, Weibin; Chen, Zhuo; Nikolaeva, Valeriia O.; Alimi, Lukman O.; Khashab, Niveen M.
- Abstract
The rise of touchless technology, driven by the recent pandemic, has transformed human-machine interaction (HMI). Projections indicate a substantial growth in the touchless technology market, nearly tripling from $13.6 billion in 2021 to an estimated $37.6 billion by 2026. In response to the pandemic-driven shift towards touchless technology, here we show an organic cage-based humidity sensor with remarkable humidity responsiveness, forming the basis for advanced touchless platforms in potential future HMI systems. This cage sensor boasts an ultrafast response/recovery time (1 s/3 s) and exceptional stability (over 800 cycles) across relative humidity (RH) changes from 11% to 95%. The crystal structure's 3D pore network and luxuriant water-absorbing functional groups both inside and outside of the cage contribute synergistically to superior humidity sensing. Demonstrating versatility, we showcase this cage in smart touchless control screens and touchless password managers, presenting cost-effective and easily processable applications of molecularly porous materials in touchless HMI. Smart sensors are important components in the development of touchless human-machine interaction systems. Here, the authors describe a smart 3D porous crystalline organic cage-based system that exhibits remarkable responsiveness to fingertip humidity, contributing to the advancement of touchless human-machine interaction technology.
- Subjects
PASSWORD software; HUMAN-machine systems; POROUS materials; INTELLIGENT sensors; CAPACITIVE sensors; HUMIDITY; CRYSTAL structure
- Publication
Nature Communications, 2024, Vol 15, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-024-46071-8