Cov kws tshawb fawb nyob rau hauv Kev Xiam Tshuaj Engineering Cheeb Tsam ntawm Tsoom Fwv Teb Chaws Lub Koom Txoos ntawm Technology hauv Zurich nyuam qhuav yees ua lub teeb, nkhaus teeb ci-emitting (LED) uas tawm lub teeb ntshiab heev uas cov neeg tshawb xyuas siv los qhia peb tsab ntawv "ETH". Xib fwb Chih-jen Shih, tus thawj coj ntawm pab pawg neeg tshawb fawb, tau zoo siab nrog nws txoj kev sib tw: "Yog li ntawd, tsis muaj leej twg tau ua tiav ntawm lub teeb ntsuab li peb lub." "
Prof Shih hais tias txoj kev tshawb no yuav pab tau ntxiv rau tiam tom ntej ntawm ultra-high-resolution rau TVs thiab smartphones. Lub tshuab ntsuas hluav taws xob yuav tsum muaj peev xwm tsim ultra ntshiab liab, xiav, thiab lub teeb ntsuab thiaj li hais tias cov zaub yuav ua kom pom tseeb, muaj cov ntsiab lus ntxiv thiab ntau ntau xim los kho cov duab.
Ua ntej cov kev tshawb fawb tau los ua kom purity cov xim liab thiab xiav, tiam sis lub ntshiab xim ntsuab lub teeb pom kev zoo li tau ntsib ib qho kev sib tw, nws nyuaj rau kev ua hauj lwm kev kovyeej, vim yog qhov kev siv qhov muag pom. Muab piv rau lub teeb liab thiab xiav, nws tsis yooj yim rau qhov muag liab qab kom paub qhov txawv ntawm cov kev hloov hauv ntsuab tones, uas ua rau lub super ntshiab ntsuab nyob rau hauv cov khoom muag yuav ua heev complex.
Prof Shih kuj tau taw qhia tias lawv tau tsim ib lub teeb nyias, yoojyim rau lub teeb-emitting diode uas tuaj yeem siv los tawm ntawm lub teeb ntsuab ntsuab ntawm chav tsev sov. "Vim hais tias peb cov technology technology tsis tau qhov kub thiab txias, nws qhib rau cov sijhawm rau cov yooj yim, qis-nqi tsim ntawm yav tom ntej Ultra ntshiab ntsuab teeb-emitting diodes," nws said. "Cov pab pawg siv siv cov duab pleev kom pom cov teeb hluav taws xob ua teeb ci, thiab lub thickness ntawm cov khoom perovskite hauv LED yog tsawg dua 4.8 nm," nws hais. Thiab cov khoom siv LED yuav ua tau zoo ib yam li daim ntawv nyom, thiaj li hais tias nws tuaj yeem ua tiav ntim rau qhov ntim ntawm cov txheej txheem ceev ceev, tsis tsuas yog ua kom zoo dua qub, tiam sis tseem txo cov nqi.
Tab sis qhov no ultra ntshiab ntsuab yuav siv sij hawm qee lub sij hawm ua ntej nws muab tso rau hauv kev siv. Shih cov kauj ruam tom ntej yog los txhim kho cov kev ua haujlwm ntawm cov LED, lub hwjchim ci ntsa iab hloov mus rau lub teeb rau cov laus thaum 3%, kev ua lag luam ntawm lub vijtsam electro-optic hloov ntawm 5% mus rau 10%. Nws vam tias yuav ua kom cov txiaj ntsig zoo ntawm cov ntshiab ntsuab ntsuab rau 6% mus rau 7%. Tsis tas li ntawd, lub teeb ci ntsa iab ntawm lub neej tam sim no txog 2 xuab moos, uas yog qhov sib txawv ntawm qhov kev lag luam ntawm lub khw, thiab cov no yog qhov chaw uas cov neeg ua haujlwm Shih xav tau zoo ntawm qhov tsim muaj.
