%0 Journal Article
%T Theoretical study of the effect of changes in the number of quantum wells of dual-wavelength LED
量子阱数量变化对双波长LED作用的研究
%A Zhang Yun-Yan
%A Fan Guan-Han
%A
张运炎
%A 范广涵
%J 物理学报
%D 2011
%I
%X A two-dimensional simulation of electrical and optical characteristics of the dual-wavelength LED with different numbers of quantum wells is conducted with APSYS software. The results show that the increase of the number of quantum wells will cause uneven distribution of hole concentrations. Therefore, the increase in the number of quantum wells cannot effectively enhance carrier recombination rate, internal quantum efficiency and luminous intensity. Furthermore, it will lead to the rising of threshold voltage and affect the energy conversion efficiency.
%K quantum well
%K number
%K numerical simulate
%K dual-wavelength LED
量子阱
%K 数量
%K 数值模拟
%K 双波长发光二极管
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=27C14E609A3E452CB7F1A5DF6445F78C&yid=9377ED8094509821&vid=BFE7933E5EEA150D&iid=DF92D298D3FF1E6E&sid=7A1AB2C5CC2DDF8B&eid=7A1AB2C5CC2DDF8B&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=20