Multipurpose and Reusable Ultrathin Electronic Tattoos Based on PtSe₂ and PtTe₂

Wearable bioelectronics with emphasis on the research and development of advanced person-oriented biomedical devices have attracted immense interest in past decade. Scientists clinicians find it essential to utilize skin-worn smart tattoos for on-demand ambulatory monitoring an individual’s vital signs. Here, we report ultrathin platinum-based two-dimensional dichalcogenide (Pt-TMDs)-based electronic as building blocks future wearable bioelectronics. We made these out large-scale synthesized platinum diselenide (PtSe2) ditelluride (PtTe2) layered materials used them human physiological signs, such electrical activity heart brain, muscle contractions, eye movements, temperature. show that both can be applications; yet, PtTe2 was found most suitable choice due its metallic structure. In terms sheet resistance, skin contact, electrochemical impedance, outperforms state-of-the-art gold graphene performs par medical-grade Ag/AgCl gel electrodes. The 4 times lower impedance almost 100 resistance compared monolayer tattoos. One possible prompt implications this work is perhaps human–machine interfaces. To display application, built a multi-tattoo system easily distinguish movement identify direction sight.