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    • 3. 发明申请
    • PHOTODETECTOR USING A GRAPHENE THIN FILM AND NANOPARTICLES, AND METHOD FOR PRODUCING SAME
    • 采用石墨薄膜和纳米颗粒的光电探测器及其制造方法
    • WO2011025216A3
    • 2011-07-07
    • PCT/KR2010005631
    • 2010-08-24
    • IUCF HYUKIM TAE-WHANJUNG JAE-HOONSON DONG-ICKLEE JUNG-MINYANG HEE-YEONPARK WON-IL
    • KIM TAE-WHANJUNG JAE-HOONSON DONG-ICKLEE JUNG-MINYANG HEE-YEONPARK WON-IL
    • H01L31/0248B82B1/00
    • H01L31/035209H01L31/112H01L51/428
    • Provided are a photodetector using a graphene thin film and nanoparticles and a method for producing same. The photodetector of the present invention comprises: a sheet-shaped graphene thin film produced by the deposition of graphene using a vapor carbon source; and a nanoparticle layer formed on the graphene thin film and patterned to define an electrode region of the graphene thin film, and consisting of nanoparticles without a matrix material. The above-described photodetector has a planar structure in which the graphene thin film is used as a channel and as an electrode, and nanoparticles are used as a photovoltaic material (which forms an electron-hole pair by the photoelectron-motive force produced by ultraviolet rays). The photodetector of the present invention has a remarkably simple structure and can be produced at a low cost, thus improving productivity. Further, the photodetector of the present invention comprises said graphene thin film, and thus can operate with low power consumption.
    • 提供了使用石墨烯薄膜和纳米颗粒的光电探测器及其制造方法。 本发明的光检测器包括:通过使用蒸汽碳源沉积石墨烯而产生的片状石墨烯薄膜; 以及形成在所述石墨烯薄膜上并且被图案化以限定所述石墨烯薄膜的电极区域并且由不含基质材料的纳米颗粒组成的纳米颗粒层。 上述光检测器具有将石墨烯薄膜用作沟道和电极的平面结构,并且使用纳米颗粒作为光伏材料(其通过由紫外线产生的光电子动力形成电子 - 空穴对 射线)。 本发明的光检测器具有非常简单的结构并且可以以低成本生产,因此提高了生产率。 此外,本发明的光检测器包括所述石墨烯薄膜,因此可以以低功耗工作。