Abacwaningi basungule futhi babonisa ama-photodetectors amasha aluhlaza azwela kakhulu futhi ahambisana nezindlela zokukhiqiza ze-CMOS. Ukufaka lezi zitholi zezithombe ezintsha kuzinzwa zesithombe ezihlanganisiwe ze-silicone kungaba usizo ezinhlelweni eziningi. Lezi zinhlelo zokusebenza zifaka ukuqapha okususelwe ekukhanyeni kwenhliziyo, ukubonwa kwezigxivizo zeminwe namadivayisi athola ukuba khona kwezinto eziseduze.
Kungakhathaliseki ukuthi isetshenziswa kuma-smartphones noma amakhamera esayensi, izinzwa eziningi zokucabanga namuhla zisekelwe kubuchwepheshe be-CMOS nezitholi zezithombe ezingaphili eziguqula amasignali okukhanya abe amasignali kagesi. Nakuba ama-photodetectors enziwe ngezinto eziphilayo aheha ukunaka ngoba angasiza ekuthuthukiseni ukuzwela, kuze kube manje kubonakala kunzima ukwenza ama-photodetectors e-organic asebenza kahle kakhulu.
Umcwaningi ongomunye oholayo u-Sungjun Park, wase-Ajou University eSouth Korea, uthe: “Ukufaka ama-photodetectors e-organic kuma-CMOS akhiqizwa ngobuningi kudinga izinto zokumunca ukukhanya okulula ukuzenzela ngesilinganiso esikhulu futhi ezikwazi ukubona isithombe esicacile ukuze kukhiqizwe izithombe ezibukhali. ngamanani aphezulu ozimele ebumnyameni. Senze ama-photodiode ephilayo asobala, azwela uhlaza akwazi ukuhlangabezana nalezi zidingo.”
Abacwaningi bachaza i-photodetector entsha ye-organic kujenali i-Optica. Baphinde bakha inzwa ye-imaging ye-RGB eyingxubevange ngokubeka phezulu isithwebuli sezinto eziphilayo esibonakala sobala esiluhlaza ku-silicon photodiode enezihlungi ezibomvu neziluhlaza.
U-Kyung-Bae Park, ongumholi wethimba labacwaningi e-Samsung Advanced Institute of Technology (SAIT) eSouth Korea, uthe: “Sibonga ukwethulwa kongqimba oluhlanganisiwe lwebhafa ye-organic, ungqimba lwe-organic olumunca ukukhanya olusetshenziswayo. kulezi zinzwa zesithombe kunciphisa kakhulu ukukhuluma phakathi kwamaphikseli emibala ehlukene, futhi lo mklamo omusha ungenza ama-photodiode asebenza kahle kakhulu abe ingxenye enkulu yamamojula wezithombe nama-photosensor wezinhlelo zokusebenza ezihlukahlukene.”
Ama-photodetectors ezinto eziphilayo asebenzayo
Izinto eziningi eziphilayo azilungele ukukhiqizwa ngobuningi ngenxa yokuzwela kwazo ekushiseni. Angeke akwazi ukumelana namazinga okushisa aphezulu asetshenziselwa ukwelashwa ngemva kokwelashwa noma angazinzi lapho esetshenziswa emazingeni okushisa aphakathi nendawo isikhathi eside. Ukuze banqobe le nselele, ososayensi bagxile ekulungiseni isendlalelo sebhafa se-photodetector ukuze kuthuthukiswe ukuzinza, ukusebenza kahle, nokutholwa. Ukubonwa kuyisilinganiso sokuthi inzwa ikwazi ukubona kahle kangakanani amasiginali abuthakathaka. "Sethule umugqa wethusi wokugeza (BCP) : I-C60 hybrid buffer layer njengesendlalelo sokuthutha i-electron, esinikeza isitholi sesithombe esiphilayo izici ezikhethekile, okuhlanganisa ukusebenza kahle okuphezulu namandla amnyama aphansi kakhulu, anciphisa umsindo," kusho i-Sungjun Park. I-photodetector ingafakwa ku-silicon photodiode enezihlungi ezibomvu neziluhlaza okwesibhakabhaka ukuze kwakhiwe inzwa yesithombe esiyingxubevange.
Abacwaningi bakhombisa ukuthi i-photodetector entsha ikhombisa amazinga okutholwa afana nalawo ama-silicon photodiode ajwayelekile. Umtshina wasebenza ngokuzinza amahora ama-2 emazingeni okushisa angaphezu kuka-150 °C futhi wabonisa ukuzinza kokusebenza kwesikhathi eside izinsuku ezingama-30 ku-85 °C. Lawa ma-photodetectors nawo akhombisa ukusebenza kahle kombala.
Okulandelayo, bahlela ukwenza ngendlela oyifisayo ama-photodetectors amasha nezinzwa zezithombe eziyingxube zezinhlelo zokusebenza ezihlukahlukene, njengezinzwa zeselula nezigqokekayo (okuhlanganisa izinzwa zesithombe se-CMOS), izinzwa eziseduze, namadivayisi wezigxivizo zeminwe ezibukweni.
Isikhathi sokuthumela: Jul-07-2023