刘伯温期期准选一肖

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中国科大在UV LED研究中取得新进展

编辑:【海南光典照明工程有限公司】 更新时间:【2019.12.05】 浏览次数:【78】

刘伯温期期准选一肖 JINQI,ZHONGGUOKEDAWEIDIANZIXUEYUANSUNHAIDINGHELONGSHIBINGKETIZUGUANYULIYONGLANBAOSHICHENDIXIEQIEJIAODIAOKONGLIANGZIJINGSHIXIANSANWEIZAILIUZISHUFU,TUPOLEZIWAILEDFAGUANGXINGNENGDEZHONGYAOJINZHAN。XIANGGUANYANJIUYI“Unambiguously Enhanced Ultraviolet Luminescence of AlGaN Wavy Quantum Well Structures Grown on Large Misoriented Sapphire Substrate”WEITIFABIAOZAI《XIANJINGONGNENGCAILIAO》。

SUIRANZIWAIXIANZAITAIYANGGUANGZHONGNENGLIANGZHANBIJIN5%,DANZAIRENLEISHENGHUOZHONGYINGYONGGUANGFAN。MUQIAN,ZIWAIGUANGGUANGFANYINGYONGYUSHUIJINGHUA、GUANGGUHUAHESHAJUNXIAODUDENGLINGYU。CHUANTONGDEZIWAIGUANGYUANYIBANSHICAIYONGGONGZHENGQIFANGDIANDEJIFATAILAICHANSHENGZIWAIXIAN,YOUZHEFARELIANGDA、GONGHAOGAO、FANYINGMAN、SHOUMINGDUANHEANQUANYINHUANDENGZHUDUOQUEXIAN。ERXINXINGDESHENZIWAIGUANGYUANZECAIYONGFAGUANGERJIGUAN(LED)FAGUANGYUANLI,XIANGDUIYUCHUANTONGDEGONGDENGYONGYOUZHUDUODEYOUDIAN。QIZHONG,ZUIWEIZHONGYAODEYOUSHIZAIYUQIBUHANYOUDUGONGYUANSU。《SHUIYUGONGYUE》DESHISHI,YUSHI2020NIANJIANGQUANMIANJINZHIHANYOUGONGYUANSUZIWAIDENGDESHIYONG。YINCI,KAIFACHUYIZHONGQUANXINDEHUANBAO、GAOXIAOZIWAIGUANGYUAN,CHENGWEILEBAIZAIRENMENMIANQIANDEYIXIANGZHONGYAOTIAOZHAN。

YOUCI,JIYUKUANJINDAIBANDAOTICAILIAO(DANHUAJIA、DANHUAJIALV)DESHENZIWAIFAGUANGERJIGUAN(UV LED)CHENGWEIZHEIYIXINYINGYONGDEBUERXUANZE。ZHEIYIQUANGUTAIGUANGYUANTIXIXIAOLVGAO、TIJIXIAO、SHOUMINGZHANG,ERQIEBUGUOSHIMUZHIGAIDAXIAODEXINPIAN,JIUNENGFACHUBIGONGDENGHAIYAOQIANGDEZIWAIGUANG。ZHEILIMIANDEAOMIZHUYAOQUJUEYUIIIZUDANHUAWUZHEIZHONGZHIJIEDAIXIBANDAOTICAILIAO:DAODAISHANGDEDIANZIYUJIADAISHANGDEKONGXUEFUHESHI,CHANSHENGGUANGZI。GUANGZIDENENGLIANGZEQUJUEYUCAILIAODEJINDAIKUANDU,SUOYIKEXUEJIAMENKEYITONGGUODIAOJIEDANHUAJIALV(AlGaN)ZHEIZHONGSANYUANHUAHEWUZHONGDEYUANSUZUFENLAISHIXIANBUTONGBOZHANGDEFAGUANG。DANSHI,YAOXIANGSHIXIANUV LEDDEGAOXIAOFAGUANGBINGBUZONGSHINEIMEJIANDANDESHIQING。KEXUEJIAMENFAXIANDANGDIANZIHEKONGXUEFUHESHI,BINGBUZONGSHIYIDINGCHANSHENGGUANGZI,ZHEIYIXIAOLVBEICHENGZHIWEINEILIANGZIXIAOLV(IQE)。

ZHONGKEDAWEIDIANZIXUEYUANSUNHAIDINGHELONGSHIBINGJIAOSHOUDEKETIZUQIAOMIAOTONGGUODIAOKONGLANBAOSHICHENDIDEXIEQIEJIAO,DAFUTISHENGZIWAILEDDEIQEHEQIJIANFAGUANGGONGLV。TAMENDEKETIZUFAXIANDANGTIGAOCHENDIDEXIEQIEJIAOSHI,UV LEDNEIBUDEWEICUODEDAOMINGXIANYIZHI,QIJIANFAGUANGDDEQIANGDUMINGXIANTIGAO。DANGXIEQIEJIAOCHENDIDADAO4DUSHI,QIJIANYINGGUANGGUANGPUDEQIANGDUTISHENGLEYIGESHULIANGJI,ERNEILIANGZIXIAOLVYEDADAOLEPOJILUDE90%YISHANG。

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图:在0.2和4度斜切角蓝宝石衬底上制备的深紫外LED光致发光光谱和器件示意图,有源区透射电子显微镜展示了高分辨多量子阱结构图,和输出功率的对比图。

刘伯温期期准选一肖 CIXIANGYANJIUJIANGHUIWEIGAOXIAOLVDEQUANGUTAIZIWAIGUANGYUANDEYANFATIGONGXINDESILU。ZHEIZHONGSILUWUXUANGGUIDETUXINGHUACHENDI,YEBUXUYAOFUZADEWAIYANSHENGZHANGGONGYI。ERJINJINYIKAOCHENDIDEXIEQIEJIAODEDIAOKONGHEWAIYANSHENGZHANGCANSHUDEPIPEIHEYOUHUA,JIUYOUWANGJIANGZIWAILEDDEFAGUANGTEXINGTIGAODAOYULANGUANGLEDXIANGPIMEIDEGAODU,WEIGAOGONGLVSHENZIWAILEDDEDAGUIMOYINGYONGDIANDINGSHIYANHELILUNJICHU。

ZHONGGUOKEDAWEIDIANZIXUEYUANSUNHAIDINGYANJIUYUANWEILUNWENDEDIYIZUOZHEHEGONGTONGTONGXUNZUOZHE。GAIXIANGMULIANHEZHONGGUOKEXUEYUANNINGBOCAILIAOSUOGUOWEIHEYEJICHUNYANJIUYUAN,HUAZHONGKEJIDAXUEDAIJIANGNANHECHENZHANGQINGJIAOSHOU,HEBEIGONGYEDAXUEZHANGZIHUIJIAOSHOU,SHATEABUDULAGUOWANGKEJIDAXUEBoon OoiHEIman RoqanJIAOSHOUYIQIGONGGUANWANCHENG。GAIYANJIUGONGZUODEDAOLEGUOJIAZIRANKEXUEJIJINWEI、ZHONGKEYUAN、ZHONGGUOKEDADENGDANWEIDEZHICHI。BUFENYANGPINJIAGONGGONGYIZAIZHONGGUOKEDAWEINAYANJIUYUZHIZAOZHONGXINWANCHENG。LUNWENLIANJIE:


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