Kugwiritsa ntchito bwino kwa chowunikira zithunzi kumaphwanya malire a chiphunzitso

Malinga ndi bungwe la fizikisi, posachedwapa linanena kuti ofufuza aku Finland apanga chida chowunikira kuwala kwa silicon chakuda chokhala ndi mphamvu yakunja ya 130%, komwe ndi koyamba kuti mphamvu ya zida zamagetsi zamagetsi ipitirire malire a 100%, zomwe zikuyembekezeka kusintha kwambiri mphamvu ya zida zowunikira kuwala kwa magetsi, ndipo zidazi zimagwiritsidwa ntchito kwambiri m'magalimoto, mafoni am'manja, mawotchi anzeru ndi zida zamankhwala.

Chowunikira zithunzi ndi chowunikira chomwe chimatha kuyeza kuwala kapena mphamvu ina yamagetsi, kusintha ma photon kukhala magetsi, ndipo ma photon omwe amatengedwa amapanga ma electron-hole pairs. Chowunikira zithunzi chimaphatikizapo photodiode ndi phototransistor, ndi zina zotero. Kugwira ntchito bwino kwa Quantum kumagwiritsidwa ntchito pofotokoza kuchuluka kwa ma photon omwe amalandiridwa ndi chipangizo monga chowunikira zithunzi kukhala ma electron-hole pair, ndiko kuti, kugwira ntchito bwino kwa quantum kuli kofanana ndi kuchuluka kwa ma photon opangidwa ndi zithunzi omwe amagawidwa ndi kuchuluka kwa ma photon omwe amachitika.

Pamene photon ya incident imapanga elekitironi ku dera lakunja, mphamvu yakunja ya quantum ya chipangizocho ndi 100% (yomwe kale inkaganiziridwa kuti ndi malire a chiphunzitso). Mu kafukufuku waposachedwapa, chowunikira chakuda cha silicon chinali ndi mphamvu yofika pa 130 peresenti, zomwe zikutanthauza kuti photon imodzi ya incident imapanga ma elekitironi pafupifupi 1.3.

Malinga ndi ofufuza a ku Aalto University, chida chachinsinsi chomwe chili kumbuyo kwa chitukuko chachikuluchi ndi njira yochulukitsa mphamvu ya chonyamulira mphamvu chomwe chimachitika mkati mwa kapangidwe kake kapadera ka chowunikira cha silicon chakuda, chomwe chimayambitsidwa ndi ma photon amphamvu kwambiri. Kale, asayansi sankatha kuwona izi m'zida zenizeni chifukwa kupezeka kwa kutayika kwa magetsi ndi kuwala kunachepetsa kuchuluka kwa ma elekitironi omwe asonkhanitsidwa. "Zida zathu zopangidwa ndi nanostructured zilibe recombination komanso kutayika kwa reflection, kotero titha kusonkhanitsa zonyamulira mphamvu zonse zochulukitsa mphamvu," adatero mtsogoleri wa kafukufukuyu Pulofesa Hera Severn.

Kuchita bwino kumeneku kwatsimikiziridwa ndi Institute of Physical Technology ya German National Metrology Society (PTB), yomwe ndi ntchito yolondola komanso yodalirika kwambiri yoyezera ku Europe.

Ofufuzawo akuona kuti kugwira ntchito bwino kwa zolemba zimenezi kumatanthauza kuti asayansi angathandize kwambiri kuti zipangizo zodziwira zinthu pogwiritsa ntchito photoelectric zigwire bwino ntchito.

“Ma detector athu apangitsa chidwi chachikulu, makamaka pankhani ya biotechnology ndi kuyang'anira ntchito zamafakitale,” anatero Dr. Mikko Juntuna, CEO wa ElfysInc, kampani yomwe ili ndi Aalto University. Akuti ayamba kupanga ma detector otere kuti agwiritsidwe ntchito pamalonda.