Cov kev tshawb fawb tshiab tshaj plaws ntawm cov organic photodetectors

Cov kws tshawb fawb tau tsim thiab ua kom pom lub teeb ntsuab tshiab absorbing pob tshab organic photodetectors uas muaj kev nkag siab zoo thiab sib haum nrog CMOS kev tsim khoom. Kev koom ua ke cov photodetectors tshiab no rau hauv silicone hybrid duab sensors yuav pab tau rau ntau daim ntawv thov. Cov ntawv thov no suav nrog kev saib xyuas lub plawv raws li lub teeb, kev paub tus ntiv tes thiab cov khoom siv uas kuaj pom cov khoom nyob ze.

Txawm hais tias siv hauv cov xov tooj smartphones lossis cov koob yees duab tshawb fawb, feem ntau cov duab sensors niaj hnub no yog ua raws li CMOS thev naus laus zis thiab inorganic photodetectors uas hloov cov teeb liab teeb rau hauv hluav taws xob teeb liab. Txawm hais tias photodetectors ua los ntawm cov khoom siv organic tau ntxim nyiam vim tias lawv tuaj yeem pab txhim kho kev nkag siab, nws tau ua pov thawj nyuaj rau kev tsim cov khoom siv organic photodetectors.

Sungjun Park, tus kws tshawb fawb los ntawm Ajou University hauv Kaus Lim Qab Teb, tau hais tias: "Kev sib koom ua ke cov organic photodetectors rau hauv pawg tsim CMOS cov duab sensors xav tau cov organic teeb pom kev zoo uas yooj yim los tsim cov nplai loj thiab muaj peev xwm ua kom pom cov duab zoo los tsim cov duab ntse. ntawm tus ncej siab nyob hauv qhov tsaus ntuj. Peb tau tsim pob tshab, ntsuab-sensitive organic photodiodes uas tuaj yeem ua tau raws li cov cai no. "

Cov kws tshawb fawb piav qhia txog cov organic photodetector tshiab hauv phau ntawv xov xwm Optica. Lawv kuj tau tsim ib lub hybrid RGB imaging sensor los ntawm superimposing lub pob tshab ntsuab absorbing organic photodetector mus rau silicon photodiode nrog liab thiab xiav lim.

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 tsis sib xws, ntsuab-xaiv lub teeb-absorbing organic txheej siv. nyob rau hauv cov duab sensors zoo heev txo cov crosstalk ntawm cov xim sib txawv pixels, thiab qhov kev tsim tshiab no tuaj yeem ua rau cov organic photodiodes ua haujlwm siab ua haujlwm tseem ceeb ntawm cov duab modules thiab photosensors rau ntau yam kev siv. "

Ntau cov tswv yim organic photodetectors

Cov ntaub ntawv organic feem ntau tsis haum rau kev tsim khoom loj vim lawv qhov rhiab heev rau qhov kub thiab txias. Lawv tsis tuaj yeem tiv taus qhov kub siab siv rau kev kho mob tom qab lossis tsis ruaj khov thaum siv 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 tsis zoo ntawm lub photodetector los txhim kho kev ruaj ntseg, kev ua tau zoo, thiab kev tshawb pom. Detectability yog ib qho kev ntsuas seb lub sensor tuaj yeem ntes cov teeb liab tsis muaj zog. "Peb tau qhia txog kab tooj liab da dej (BCP): C60 hybrid tsis txheej raws li cov txheej txheem thauj hluav taws xob, uas muab cov organic photodetector tshwj xeeb, suav nrog kev ua haujlwm siab dua thiab tsis tshua muaj qhov tsaus ntuj tam sim no, uas txo cov suab nrov," hais tias Sungjun Park. Lub photodetector tuaj yeem muab tso rau ntawm silicon photodiode nrog cov ntxaij lim dej liab thiab xiav los tsim cov duab hybrid sensor.

Cov kws tshawb fawb pom tau hais tias tus photodetector tshiab nthuav tawm cov txiaj ntsig kev tshawb pom piv rau cov pa roj carbon diode. Lub tshuab ntes tau ua haujlwm ruaj khov rau 2 teev ntawm qhov kub siab tshaj 150 ° C thiab pom kev ua haujlwm ntev ntev rau 30 hnub ntawm 85 ° C. Cov photodetectors no kuj qhia cov xim zoo.

Tom ntej no, lawv npaj yuav hloov kho cov duab thaij duab tshiab thiab cov duab hybrid rau ntau yam kev siv, xws li cov xov tooj ntawm tes thiab hnav tau (xws li CMOS duab sensors), cov sensors sib thooj, thiab cov cuab yeej ntiv tes ntawm cov khoom siv.