کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7851397 | 1508852 | 2015 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Low damage pre-doping on CVD graphene/Cu using a chlorine inductively coupled plasma
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
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![عکس صفحه اول مقاله: Low damage pre-doping on CVD graphene/Cu using a chlorine inductively coupled plasma Low damage pre-doping on CVD graphene/Cu using a chlorine inductively coupled plasma](/preview/png/7851397.png)
چکیده انگلیسی
This study reports a novel approach for chlorine doping of graphene using low-energy plasma in a low damage inductively coupled plasma (ICP) system, which results in significant reduction (â¼60%) of the sheet resistance while maintaining high optical transparency. The chemical vapor deposited graphene on Cu (graphene/Cu foil) was directly doped with low-damage chlorine plasma before transferring to the substrate, i.e. pre-doped, in addition to the normal doping conducted after the transfer. Some of the pre-doped chlorine remained on the graphene surface even after the wet transfer to the substrate due to strong C-Cl bonds formed at the graphene defect site. This technique allowed us to achieve the highest chlorine doping ever reported, 47.2%, through combination of pre-doping with conventional doping. By this additional pre-doping on graphene/copper foil (that is, 90 s pre-doping + 90 s normal doping), a monolayer of graphene with very low sheet resistance of 240 Ω/sq could be obtained without sacrificing the optical transmittance (>97.7% at 550 nm wavelength).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbon - Volume 95, December 2015, Pages 664-671
Journal: Carbon - Volume 95, December 2015, Pages 664-671
نویسندگان
Viet Phuong Pham, Ki Hyun Kim, Min Hwan Jeon, Se Han Lee, Kyong Nam Kim, Geun Young Yeom,