Kupititsa patsogolo mphamvu zama cell a solar kuti apeze ufulu wodziyimira pawokha kuchokera kumafuta amafuta amafuta ndi chinthu chofunikira kwambiri pakufufuza kwama cell a solar. Gulu lotsogozedwa ndi katswiri wa sayansi ya zakuthambo Dr. Felix Lang wochokera ku yunivesite ya Potsdam, pamodzi ndi Prof. Lei Meng ndi Prof. Yongfang Li wochokera ku Chinese Academy of Sciences ku Beijing, adagwirizanitsa bwino perovskite ndi organic absorbers kuti apange selo la tandem la dzuwa lomwe limakwaniritsa bwino mbiri, monga momwe linalembedwera m'magazini ya sayansi ya Nature.
Njirayi imaphatikizapo kuphatikiza kwa zipangizo ziwiri zomwe zimasankha mafunde afupikitsa komanso aatali-makamaka, madera a buluu / obiriwira ndi ofiira / ofiira amtundu wa spectrum-potero kumapangitsa kuti dzuwa ligwiritsidwe ntchito. Mwachizoloŵezi, zida zogwiritsira ntchito zofiira / zofiira zofiira kwambiri m'maselo a dzuwa zachokera ku zipangizo zamakono monga silicon kapena CIGS (copper indium gallium selenide). Komabe, zinthuzi zimafuna kutentha kwambiri, zomwe zimapangitsa kuti pakhale mpweya wambiri wa carbon.
M'mabuku awo aposachedwa mu Nature, Lang ndi anzake amaphatikiza matekinoloje awiri odalirika a ma cell a solar: perovskite ndi ma cell a solar organic, omwe amatha kukonzedwa pazitentha zotsika komanso kukhala ndi mphamvu yocheperako ya kaboni. Kuchita bwino kwambiri kwa 25.7% ndi kuphatikiza kwatsopanoku kunali ntchito yovuta, monga adanenera Felix Lang, yemwe adalongosola kuti, "Kupambana kumeneku kunatheka kokha mwa kuphatikiza kupita patsogolo kwakukulu kuwiri." Kupambana koyamba kunali kaphatikizidwe ka cell yatsopano yofiyira/yowoneka ngati dzuwa yopangidwa ndi Meng ndi Li, yomwe imakulitsa mphamvu yake yoyamwa mopitilira muyeso wa infrared. Lang anawonjezeranso kuti, "Komabe, ma cell a tandem solar adakumana ndi malire chifukwa cha gawo la perovskite, lomwe limawonongeka kwambiri likapangidwa kuti lizitha kuyamwa magawo a buluu ndi obiriwira a solar.
Nthawi yotumiza: Dec-12-2024