Masu bincike sun ƙirƙira kuma sun nuna sabon koren haske mai ɗaukar hoto na zahiri na zahiri waɗanda ke da matukar kulawa kuma suna dacewa da hanyoyin masana'antar CMOS. Haɗa waɗannan sabbin na'urorin gano hoto cikin na'urori masu auna hoto na silicone na iya zama da amfani ga aikace-aikace da yawa. Waɗannan aikace-aikacen sun haɗa da tushen haske mai sa ido akan bugun zuciya, tantance sawun yatsa da na'urori waɗanda ke gano gaban abubuwan da ke kusa.
Ko ana amfani da su a cikin wayoyin hannu ko kyamarori na kimiyya, yawancin firikwensin hoto a yau sun dogara ne akan fasahar CMOS da na'urar gano hoto na inorganic waɗanda ke canza siginar haske zuwa siginar lantarki. Ko da yake na'urorin gano hoto da aka yi da kayan halitta suna jan hankali saboda suna iya taimakawa wajen haɓaka hankali, ya zuwa yanzu ya zama da wahala a kera na'urori masu hoto masu inganci.
Sungjun Park, mai bincike na hadin gwiwa, daga Jami'ar Ajou da ke Koriya ta Kudu, ya ce: "Haɗa na'urorin daukar hoto a cikin na'urori masu auna hoto na CMOS da aka samar da yawa yana buƙatar na'urar ɗaukar haske na kwayoyin halitta waɗanda ke da sauƙin kera a kan babban sikelin kuma masu iya gane hoto mai haske don samar da hotuna masu kaifi. a high frame rates a cikin duhu. Mun ɓullo da m, kore-m Organic photodiodes da za su iya biyan wadannan bukatun. "
Masu binciken sun bayyana sabon mai binciken kwayoyin halitta a cikin mujallar Optica. Hakanan sun ƙirƙiri na'urar firikwensin hoto na RGB ta hanyar haɓaka ingantaccen kore mai ɗaukar hoto mai ɗaukar hoto akan siliki photodiode tare da matatun ja da shuɗi.
Kyung-Bae Park, shugabar tawagar masu bincike daga Samsung Advanced Institute of Technology (SAIT) a Koriya ta Kudu, ta ce: "Godiya ga gabatar da wani nau'in nau'in nau'in nau'in nau'in nau'i na nau'i na nau'i, wanda aka yi amfani da shi a matsayin kore-zaɓi mai ɗaukar haske mai amfani da kwayoyin halitta. A cikin waɗannan na'urori masu auna firikwensin hoto suna rage yawan magana tsakanin pixels masu launi daban-daban, kuma wannan sabon ƙira na iya sanya manyan ayyuka na photodiodes su zama babban ɓangaren na'urori masu hoto da masu ɗaukar hoto don aikace-aikace iri-iri."
Ƙarin ingantattun na'urorin daukar hoto
Yawancin kayan halitta ba su dace da samar da yawa ba saboda hankalinsu ga zafin jiki. Ko dai ba za su iya jure yanayin zafi da ake amfani da su ba bayan jiyya ko kuma su zama marasa ƙarfi idan aka yi amfani da su a matsakaicin yanayin zafi na dogon lokaci. Don shawo kan wannan ƙalubalen, masana kimiyya sun mayar da hankali kan gyaggyara buffer Layer na photodetector don inganta kwanciyar hankali, inganci, da ganowa. Ganewa ma'auni ne na yadda na'urar firikwensin ke iya gano sigina masu rauni. "Mun gabatar da layin jan karfe na wanka (BCP): C60 hybrid buffer Layer a matsayin layin jigilar lantarki, wanda ke ba da kayan aikin hoto na musamman, gami da inganci mafi girma da ƙarancin halin yanzu, wanda ke rage hayaniya," in ji Sungjun Park. Ana iya sanya mai binciken hoto akan siliki photodiode tare da matattarar ja da shuɗi don ƙirƙirar firikwensin hoto na matasan.
Masu binciken sun nuna cewa sabon na'urar gano hoto yana nuna adadin ganowa daidai da na silicon photodiodes na al'ada. Mai binciken ya yi aiki da ƙarfi na tsawon sa'o'i 2 a yanayin zafi sama da 150 ° C kuma ya nuna kwanciyar hankali na tsawon lokaci na tsawon kwanaki 30 a 85 ° C. Waɗannan masu gano hoto kuma suna nuna kyakkyawan aikin launi.
Bayan haka, suna shirin keɓance sabbin na'urori masu gano hoto da na'urori masu auna hoto don aikace-aikace iri-iri, kamar na'urori masu auna firikwensin hannu da masu sawa (ciki har da firikwensin hoton CMOS), firikwensin kusanci, da na'urorin hoton yatsa akan nuni.
Lokacin aikawa: Jul-07-2023