title: Tattoolike Polyaniline Microparticle-Doped Gold Nanowire Patches as Highly Durable Wearable Sensors.
abstract: Wearable and highly sensitive strain sensors are essential components of electronic skin for future biomonitoring and human machine interfaces. Here we report a low-cost yet efficient strategy to dope polyaniline microparticles into gold nanowire (AuNW) films, leading to 10 times enhancement in conductivity and ∼8 times improvement in sensitivity. Simultaneously, tattoolike wearable sensors could be fabricated simply by a direct "draw-on" strategy with a Chinese penbrush. The stretchability of the sensors could be enhanced from 99.7% to 149.6% by designing curved tattoo with different radius of curvatures. We also demonstrated roller coating method to encapusulate AuNWs sensors, exhibiting excellent water resistibility and durability. Because of improved conductivity of our sensors, they can directly interface with existing wireless circuitry, allowing for fabrication of wireless flexion sensors for a human finger-controlled robotic arm system.
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.
authors: Shu
authors: S
authors: Gong
authors: College of Engineering and Science, Victoria University , Melbourne, Victoria 8001, Australia.
authors: Daniel T H
authors: DT
authors: Lai
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.|The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Yan
authors: Y
authors: Wang
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.|The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Lim Wei
authors: LW
authors: Yap
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.|The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Kae Jye
authors: KJ
authors: Si
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.|The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Qianqian
authors: Q
authors: Shi
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.|The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Naveen Noah
authors: NN
authors: Jason
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.
authors: Tam
authors: T
authors: Sridhar
authors: The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Hemayet
authors: H
authors: Uddin
authors: Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.|The Melbourne Centre for Nanofabrication , 151 Wellington Road, Clayton, Victoria 3800, Australia.
authors: Wenlong
authors: W
authors: Cheng
mesh_terms: D000814:Aniline Compounds / Q000737:chemistry*; D004553:Electric Conductivity; D006046:Gold / Q000737:chemistry*; D053770:Nanowires / Q000737:chemistry*; D012371:Robotics
chemical_list: D000814:Aniline Compounds; C416807:polyaniline; D006046:Gold
keywords: electronic skin; polyaniline; strain sensor; ultrathin gold nanowires; wearable