Main > Acta Physica Sinica >  Volume 68 >  Issue 24 >  Page 247303-1 > Article
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  • Received: Jun. 26, 2019

    Accepted: --

    Posted: Sep. 17, 2020

    Published Online: Sep. 17, 2020

    The Author Email:

    DOI: 10.7498/aps.68.20190983

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    Wei-Ling Guo, Jie Deng, Jia-Lu Wang, Le Wang, Jian-Peng Tai. GaN-based light emitting diode with graphene/indium antimony oxide composite transparent electrode[J]. Acta Physica Sinica, 2019, 68(24): 247303-1

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Schematic diagram of the prepared LED device: (a) Graphene transparent electrode LED I; (b) graphene/ITO composite transparent electrode LED II; (c) optical micrograph of wet transfer graphene (graphene on the left and ITO on the right).制备的LED器件的结构示意图 (a)石墨烯透明电极LED I; (b)石墨烯/ITO复合透明电极LED II; (c)湿法转移石墨烯的光学显微镜图(左侧阴影部分为石墨烯, 右侧为ITO)

Fig. 1. Schematic diagram of the prepared LED device: (a) Graphene transparent electrode LED I; (b) graphene/ITO composite transparent electrode LED II; (c) optical micrograph of wet transfer graphene (graphene on the left and ITO on the right).制备的LED器件的结构示意图 (a)石墨烯透明电极LED I; (b)石墨烯/ITO复合透明电极LED II; (c)湿法转移石墨烯的光学显微镜图(左侧阴影部分为石墨烯, 右侧为ITO)

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Dot circular transmission line model (dot-CTLM): (a) Model diagram; (b) test sample.圆点传输线模型 (a)模型示意图; (b)测试样品图

Fig. 2. Dot circular transmission line model (dot-CTLM): (a) Model diagram; (b) test sample.圆点传输线模型 (a)模型示意图; (b)测试样品图

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I-V curves of LED I and LED II under high current.大电流下, LED I与LED II的I-V测试曲线

Fig. 3. I-V curves of LED I and LED II under high current. 大电流下, LED I与LED II的I-V测试曲线

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Optical graphs of LEDs: (a) LED I; (b) LED II.LED发光光学照片 (a) LED I; (b) LED II

Fig. 4. Optical graphs of LEDs: (a) LED I; (b) LED II.LED发光光学照片 (a) LED I; (b) LED II

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Spectrum of LED I and LED II. Inset shows the curves of the FWHM with currentLED I与LED II的光谱图(内插图为半高宽随电流的变化)

Fig. 5. Spectrum of LED I and LED II. Inset shows the curves of the FWHM with currentLED I与LED II的光谱图(内插图为半高宽随电流的变化)

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Comparison of radiant flux of LED I and LED IILED I与LED II辐射通量随电流变化对比图

Fig. 6. Comparison of radiant flux of LED I and LED IILED I与LED II辐射通量随电流变化对比图

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