Cov txiaj ntsig tshawb fawb tshiab tshaj plaws ntawm cov organic photodetectors

Cov kws tshawb nrhiav tau tsim thiab ua qauv qhia txog lub teeb ntsuab tshiab uas nqus tau cov duab organic pob tshab uas muaj kev nkag siab zoo thiab sib xws nrog CMOS txoj kev tsim khoom. Kev koom ua ke cov duab tshiab no rau hauv cov duab sensors silicone hybrid yuav pab tau rau ntau yam kev siv. Cov kev siv no suav nrog kev saib xyuas lub plawv dhia raws li lub teeb, kev paub txog tus ntiv tes thiab cov khoom siv uas ntes tau qhov muaj nyob ze.

Txawm siv rau hauv xov tooj ntse lossis lub koob yees duab tshawb fawb, feem ntau cov cuab yeej ntsuas duab niaj hnub no yog raws li CMOS thev naus laus zis thiab cov duab tsis muaj zog uas hloov cov teeb liab mus rau hauv cov teeb liab hluav taws xob. Txawm hais tias cov duab ua los ntawm cov khoom siv organic tau nyiam kev saib xyuas vim tias lawv tuaj yeem pab txhim kho kev rhiab heev, nws tau ua pov thawj tias nyuaj rau tsim cov duab organic ua haujlwm siab.

Tus kws tshawb fawb ua ke Sungjun Park, los ntawm Ajou University hauv Kaus Lim Qab Teb, tau hais tias: "Kev siv cov organic photodetectors rau hauv cov khoom siv CMOS duab sensors uas tsim tawm ntau yuav tsum muaj cov organic light absorbers uas yooj yim tsim rau ntawm qhov loj thiab muaj peev xwm paub cov duab kom pom tseeb los tsim cov duab ntse ntawm cov nqi siab hauv qhov tsaus ntuj. Peb tau tsim cov organic photodiodes pob tshab, ntsuab-sensitive uas tuaj yeem ua tau raws li cov kev xav tau no."

Cov kws tshawb fawb tau piav qhia txog lub tshuab photodetector organic tshiab hauv phau ntawv xov xwm Optica. Lawv kuj tau tsim lub sensor RGB imaging hybrid los ntawm kev muab lub tshuab photodetector organic uas nqus tau xim ntsuab pob tshab tso rau ntawm lub silicon photodiode nrog cov lim liab thiab xiav.

Kyung-Bae Park, tus thawj coj ntawm pab pawg tshawb fawb los ntawm Samsung Advanced Institute of Technology (SAIT) hauv Kaus Lim Qab Teb, tau hais tias: "Ua tsaug rau kev qhia txog cov txheej txheem hybrid organic buffer, cov txheej txheem organic uas nqus lub teeb ntsuab siv hauv cov duab sensors no txo ​​​​​​cov crosstalk ntawm cov xim pixels sib txawv, thiab qhov kev tsim tshiab no tuaj yeem ua rau cov photodiodes organic ua haujlwm siab ua ib feem tseem ceeb ntawm cov modules duab thiab photosensors rau ntau yam kev siv."

Cov duab thaij duab organic uas siv tau zoo dua

Feem ntau cov khoom siv organic tsis haum rau kev tsim khoom ntau vim lawv qhov kev rhiab heev rau qhov kub thiab txias. Lawv tsis tuaj yeem tiv taus qhov kub siab siv rau kev kho tom qab lossis tsis ruaj khov thaum siv ntawm qhov kub nruab nrab rau lub sijhawm ntev. Txhawm rau kov yeej qhov kev sib tw no, cov kws tshawb fawb tau tsom mus rau kev hloov kho cov txheej txheem buffer ntawm lub photodetector kom txhim kho kev ruaj khov, kev ua haujlwm zoo, thiab kev tshawb pom. Kev tshawb pom yog qhov ntsuas ntawm seb lub sensor tuaj yeem tshawb pom cov teeb liab tsis muaj zog zoo li cas. "Peb tau qhia txog kab tooj liab da dej (BCP): C60 hybrid buffer txheej ua txheej thauj hluav taws xob, uas muab cov khoom tshwj xeeb rau cov organic photodetector, suav nrog kev ua haujlwm zoo dua thiab qhov tsaus ntuj qis heev, uas txo cov suab nrov," Sungjun Park hais. Lub photodetector tuaj yeem tso rau ntawm silicon photodiode nrog cov lim liab thiab xiav los tsim lub sensor duab hybrid.

Cov kws tshawb nrhiav qhia tau tias lub photodetector tshiab no muaj cov nqi kuaj pom zoo ib yam li cov photodiodes silicon ib txwm muaj. Lub detector ua haujlwm ruaj khov rau 2 teev ntawm qhov kub siab tshaj 150 ° C thiab ua haujlwm ruaj khov mus sij hawm ntev rau 30 hnub ntawm 85 ° C. Cov photodetectors no kuj qhia tau tias muaj xim zoo.

Tom ntej no, lawv npaj yuav kho cov photodetectors tshiab thiab cov hybrid image sensors rau ntau yam kev siv, xws li cov mobile thiab wearable sensors (xws li CMOS image sensors), proximity sensors, thiab cov cuab yeej fingerprint ntawm cov zaub.