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Inkjet-printed Ti 3 C 2 T x MXene electrodes for multimodal cutaneous biosensing
Journal of Physics: Materials ( IF 5.847 ) Pub Date : 2020-10-15 , DOI: 10.1088/2515-7639/abb361
Abdulelah Saleh 1 , Shofarul Wustoni 1 , Eloise Bihar 1 , Jehad K El-Demellawi 2 , Yizhou Zhang 2 , Adel Hama 1 , Victor Druet 1 , Arief Yudhanto 3 , Gilles Lubineau 3 , Husam N Alshareef 2 , Sahika Inal 1
Affiliation  

Among the existing two-dimensional materials, MXenes, i.e. transition metal carbides, nitrides and/or carbonitrides, stand out for their excellent electrochemical properties. Due to their high charge storage capacity, metal-like conductivity, biocompatibility as well as hydrophilicity, Ti 3 C 2 T x MXene-based inks hold great potential for scalable production of skin conformable electronics via direct printing methods. Herein, we develop an aqueous MXene ink and inkjet-print MXene films on freestanding, flexible, and conducting polymer-based substrates. These skin-adherent MXene electrodes detect electrocardiography signals with high signal-to-noise ratio while exhibiting preserved electrical performance after 1000 cycles of bending with a 50 d long shelf life in ambient conditions. We show that printed MXene films can be further functionalized to perform as multifunctional biosensing units. When integrated with a sodium (Na + ) ion selective...

中文翻译:

喷墨印刷的Ti 3 C 2 T x MXene电极,用于多模式皮肤生物传感

在现有的二维材料中,MXene(即过渡金属碳化物,氮化物和/或碳氮化物)因其出色的电化学性能而脱颖而出。由于Ti 3 C 2 T x MXene基油墨具有高电荷存储容量,类金属电导率,生物相容性和亲水性,因此通过直接印刷方法可大规模生产适合皮肤的电子产品,具有巨大的潜力。本文中,我们在独立的,柔性的和导电的聚合物基片上开发了水性MXene油墨和喷墨印刷MXene膜。这些在皮肤上粘附的MXene电极可检测具有高信噪比的心电图信号,同时在环境条件下经过1000次弯曲弯曲和50 d长的保存期限后,仍表现出保留的电性能。我们表明,印刷的MXene膜可以进一步功能化,以用作多功能生物传感单元。与钠(Na +)离子选择性结合时...
更新日期:2020-10-19
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