美國《科學(xué)》雜志在線發(fā)表了由中國科學(xué)院北京納米能源與系統(tǒng)研究所和中科院外籍院士,、美國佐治亞理工學(xué)院王中林研究小組聯(lián)合完成的一項重要研究成果,。
科學(xué)家基于他們于2006年發(fā)現(xiàn)的壓電電子學(xué)效應(yīng),，發(fā)明了具有全新結(jié)構(gòu)的晶體管,，并首次研制出由大規(guī)模三維壓電電子學(xué)晶體管陣列組成的,，具有柔軟,、透明和主動自適應(yīng)性能的壓力傳感成像芯片,。
該芯片的成功研制是納米科技發(fā)展中從單個器件飛躍到陣列器件的里程碑,。這種新型結(jié)構(gòu)晶體管的發(fā)明有望推動傳統(tǒng)電子技術(shù)方面的革命性飛躍；該類芯片具有對環(huán)境外力的主動響應(yīng)和交互作用的功能,，將可發(fā)展出多維度壓力傳感器,、智能自適應(yīng)觸摸成像技術(shù)、自驅(qū)動系統(tǒng)和人機交互系統(tǒng)等,，有望在健康監(jiān)護,、環(huán)境監(jiān)測、新能源開發(fā)利用,、物聯(lián)網(wǎng)及其他信息技術(shù)領(lǐng)域形成廣泛的應(yīng)用,。
據(jù)悉，論文通訊作者王中林是中國科學(xué)院北京納米能源與系統(tǒng)研究所首席科學(xué)家,。（生物谷Bioon.com）
doi: 10.1126/science.1234855
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Taxel-Addressable Matrix of Vertical-Nanowire Piezotronic Transistors for Active/Adaptive Tactile Imaging
Wenzhuo Wu, Xiaonan Wen, Zhong Lin Wang
Designing, fabricating, and integrating arrays of nanodevices into a functional system is the key for transferring nanoscale science into applicable nanotechnology. We report large-array three-dimensional (3D) circuitry integration of piezotronic transistors based on vertical zinc oxide nanowires as active taxel-addressable pressure/force-sensor matrix for tactile imaging. Using the piezoelectric polarization charges created at metal-semiconductor interface under strain to gate/modulate transport process of local charge carriers, piezotronic effect has been applied to design independently addressable two-terminal transistor arrays, which convert mechanical stimuli applied on the devices into local electronic controlling signals. The device matrix has been demonstrated for achieving shape-adaptive high-resolution tactile imaging and self-powered, multidimensional active sensing. The 3D piezotronic transistor array may have applications in human-electronics interfacing, smart skin, and micro/nano-electromechanical systems.
