tailieunhanh - Báo cáo hóa học: " Micrometer- and Nanometer-Sized Organic Single Crystalline Transisto"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Micrometer- and Nanometer-Sized Organic Single Crystalline Transisto | Nanoscale Res Lett 2008 3 395-396 DOI s11671-008-9157-x NANO SPOTLIGHTS Micrometer- and Nanometer-Sized Organic Single Crystalline Transistors Published online 11 September 2008 to the author 2008 Single crystal devices of organic semiconductors have attracted worldwide attention due to i the high performance of organic single crystalline devices and ii the possibility of single crystals to reveal the intrinsic chargetransport properties of organic semiconductors. Normally organic crystals exist as nanometer- or micrometer-sized small crystals because of the weak interaction between the molecules of organic semiconductors and it is challenging to grow large size organic single crystals for devices even the crystals at millimeter size. Hence if devices could be fabricated by using the small organic crystals directly it will be beneficial to not only keep all the advantages of organic single crystals and avoid the challenge for the growth of large-sized crystals but also provide a way to characterize organic semiconductors more efficiently. Furthermore the effective using of the small crystals will be meaningful for the integration of organic single crystals to micro- and nanoelectronic devices. Unfortunately traditional inorganic microfabrication techniques such as electro-beam focused ion beam depositions will damage or pollute organic crystals which limit the application of the inorganic microfabrication techniques for organic single crystalline devices. So new technologies to fabricate devices with small organic crystals must be developed. Recently the researchers in Institute of Chemistry Chinese Academy of Science explored several via drop-casting spincoating or spraying coating from the solution with the suspension of crystals. B Micrometer-sized wire Dielectric Gate Symmetric electrodes Asymmetric electrodes Dielectric Dielectric Gate Gate One single micrometer-sized wire was applied as the shadow mask. By multi-movement of the micrometersized wire .

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