The laser-induced porous graphene(LIG)prepared in a straightforward fabrication method is presented,and its applications in stretchable strain sensors to detect the applied strain are also explored.The LIGformed on th...The laser-induced porous graphene(LIG)prepared in a straightforward fabrication method is presented,and its applications in stretchable strain sensors to detect the applied strain are also explored.The LIGformed on the polyimide/polydimethylsiloxane(PI/PDMS)composite exhibits a naturally high stretchabil-ity(over 30%),bypassing the transfer printing process compared to the one prepared by laser scribing onPI films.The PI/PDMS composite with LIG shows tunable mechanical and electronic performances withdifferent PI particle concentrations in PDMS.The good cyclic stability and almost linear response of theprepared LIG’s resistance with respect to tensile strain provide its access to wearable electronics.To im-prove the PDMS/PI composite stretchability,we designed and optimized a kirigami-inspired strain sensorwith LIG on the top surface,dramatically increasing the maximum strain value that in linear response toapplied strain from 3%to 79%.展开更多
We present a kirigami-inspired design scheme for a robotic hand by 3D printable folds and cuts.The unique contribution is the printable flexible hand,which provides flexibility and maneuverability that is unavailable ...We present a kirigami-inspired design scheme for a robotic hand by 3D printable folds and cuts.The unique contribution is the printable flexible hand,which provides flexibility and maneuverability that is unavailable in rigid robotic systems.The integration of sensors in the robotic system enables force adjustment for robotic systems applicable in the future.The experimental results have shown that this design can perform everyday tasks through grasping and pinching different items.The fingers can bend from 40 to 100 degrees.Furthermore,the direct printable kirigami cuts and folds from soft elastic printable materials have significant potential for prosthetic devices.The printable kirigami design framework opens the possibility for future developments and modifications in numerous robotic applications.展开更多
基金from the National Natural ScienceFoundation of China(Grant No.12072030).
文摘The laser-induced porous graphene(LIG)prepared in a straightforward fabrication method is presented,and its applications in stretchable strain sensors to detect the applied strain are also explored.The LIGformed on the polyimide/polydimethylsiloxane(PI/PDMS)composite exhibits a naturally high stretchabil-ity(over 30%),bypassing the transfer printing process compared to the one prepared by laser scribing onPI films.The PI/PDMS composite with LIG shows tunable mechanical and electronic performances withdifferent PI particle concentrations in PDMS.The good cyclic stability and almost linear response of theprepared LIG’s resistance with respect to tensile strain provide its access to wearable electronics.To im-prove the PDMS/PI composite stretchability,we designed and optimized a kirigami-inspired strain sensorwith LIG on the top surface,dramatically increasing the maximum strain value that in linear response toapplied strain from 3%to 79%.
基金This work was supported by Singapore Academic Research Fund under Grant R397000353114.
文摘We present a kirigami-inspired design scheme for a robotic hand by 3D printable folds and cuts.The unique contribution is the printable flexible hand,which provides flexibility and maneuverability that is unavailable in rigid robotic systems.The integration of sensors in the robotic system enables force adjustment for robotic systems applicable in the future.The experimental results have shown that this design can perform everyday tasks through grasping and pinching different items.The fingers can bend from 40 to 100 degrees.Furthermore,the direct printable kirigami cuts and folds from soft elastic printable materials have significant potential for prosthetic devices.The printable kirigami design framework opens the possibility for future developments and modifications in numerous robotic applications.
