Prospective for graphene based thermal mid-infrared light emitting devices

被引：34

作者：

Lawton, L. M. ^{[1
]}

Mahlmeister, N. H. ^{[1
]}

Luxmoore, I. J. ^{[1
]}

Nash, G. R. ^{[1
]}

机构：

[1] Univ Exeter, Coll Engn Math & Phys Sci, Exeter EX4 4QF, Devon, England

来源：

AIP ADVANCES | 2014年 / 4卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

FEW-LAYER GRAPHENE; TRANSISTORS; EMISSION; DIODES;

D O I：

10.1063/1.4894449

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We have investigated the spatial and spectral characteristics of mid-infrared thermal emission from large area Chemical Vapor Deposition (CVD) graphene, transferred onto SiO2/Si, and show that the emission is broadly that of a grey-body emitter, with emissivity values of approximately 2% and 6% for mono-and multilayer graphene. For the currents used, which could be sustained for over one hundred hours, the emission peaked at a wavelength of around 4 mu m and covered the characteristic absorption of many important gases. A measurable modulation of thermal emission was obtained even when the drive current was modulated at frequencies up to 100 kHz. (C) 2014 Author(s).

引用

页数：7

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