Investigation of temperature characteristics of UV-LEDs with different GaN/AlGaN heterostructures

A S Evseenkov; S Yu Kurin; P O Tadtaev; S A Tarasov; A V Solomonov

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Investigation of temperature characteristics of UV-LEDs with different GaN/AlGaN heterostructures

机译：不同GaN / AlGaN异质结构的UV导向器温度特性研究

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ThequantumefficiencyofAlInGaN-basedLEDstructureswithdifferentactiveregionthicknessatdifferenttemperaturesandbiaseswasstudied.Thestronginfluenceofthethicknessoftheactiveregiononthecharacteristicsofthesampleswasobserved.Throughthedecreaseoftheactiveregionthicknessnotonlytheemissivepowerdwindledbutalsothermodynamicpropertiestendedtodeteriorateandlowtemperaturestabilityoftheactiveregionwasobserved.Itwasshownthatthedecreaseininternalquantumefficiencythroughtheincreaseofthecurrentdensitywascausedbychargeleakfromthequantumwell.TheheatingoftheactiveregionduetothehigherAugerrecombinationfrequencyledtotheshiftinthepeakwavelengthoftheemissionspectrumandloweremissionpower...

机译：ThequantumefficiencyofAlInGaN-basedLEDstructureswithdifferentactiveregionthicknessatdifferenttemperaturesandbiaseswasstudied.Thestronginfluenceofthethicknessoftheactiveregiononthecharacteristicsofthesampleswasobserved.Throughthedecreaseoftheactiveregionthicknessnotonlytheemissivepowerdwindledbutalsothermodynamicpropertiestendedtodeteriorateandlowtemperaturestabilityoftheactiveregionwasobserved.Itwasshownthatthedecreaseininternalquantumefficiencythroughtheincreaseofthecurrentdensitywascausedbychargeleakfromthequantumwell.TheheatingoftheactiveregionduetothehigherAugerrecombinationfrequencyledtotheshiftinthepeakwavelengthoftheemissionspectrumandloweremissionpower ...

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《Journal of Physics: Conference Series》 |2016年第1期|共页
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A S Evseenkov; S Yu Kurin; P O Tadtaev; S A Tarasov; A V Solomonov;
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Investigation of temperature characteristics of UV-LEDs with different GaN/AlGaN heterostructures

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