Tau qhov twg los: inceptivemind.com
Ib pab pawg ntawm cov kws tshawb fawb los ntawm National University of Singapore (NUS) tau teeb tsa cov ntaub ntawv tshiab hauv kev hloov pauv hluav taws xob ua haujlwm ntawmLub hnub ci hlwb ua los ntawm perovskitethiab cov khoom siv organic.
The team demonstrated a power conversion efficiency of 23.6% – this, according to the researchers, is the best performance for this type of solar cells to date. This achievement is a significant leap from the current power conversion rate of about 20% reported by other studies on perovskite/organic tandem solar cells.
Dr. Chen Wei, Tus Kws Tshawb Fawb Kev Tshawb Fawb ntawm NUS Lub Tsev Haujlwm Saib Xyuas Tshuaj thiab Biomolecular Engineering, tau hais tias qhov kev tshawb fawb tshiab no tau nce mus txog lub zog hloov pauv ntawm 26.7% ntawm silicon hnub ci hlwb, uas yog dominating hnub ci thev naus laus zis hauv kev lag luam PV tam sim no.
Lub tandem hnub ci cell muaj ob lossis ntau lub subcells hluav taws xob txuas nrog siv cov txheej txheem sib txuas (ICLs) uas ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab qhov kev ua tau zoo thiab kev tsim tawm ntawm cov khoom siv. Txawm hais tias perovskite / organic tandem hnub ci hlwb yog qhov txaus nyiam rau tiam tom ntej nyias-zaj duab xis photovoltaics, lawv cov kev ua tau zoo lags qab lwm hom tandem hnub ci hlwb.
Txhawm rau daws qhov kev sib tw thev naus laus zis no, pab pawg tshawb fawb NUS tau tsim ib qho tshiab thiab muaj txiaj ntsig ICL uas txo qhov hluav taws xob, kho qhov muag thiab hluav taws xob poob nyob rau hauv tandem hnub ci cell. ICL txheej txheej yog ua raws li 4-nm-tuab sputtered indium zinc oxide txheej ntxig ntawm cov organic bathocuproine thiab molybdenum oxide nrog cov khoom siv hluav taws xob zoo dua qub thiab xa mus rau thaj tsam ze-infrared.
Through these improvements, researchers achieved a maximum efficiency of 23.6% in the perovskite/organic tandem solar cell. In addition, the tandem device retained 90% initial efficiency after 500 hours of maximum power point tracking under continuous illumination.
lawv nrhiav tauqhib lub qhov rooj rau nyias-zaj duab xis tandem solar cells uas hloov tau, lub teeb-yuag, tus nqi qis, thiab ultra-thin, uas tuaj yeem muaj ntau yam kev siv xws li nyob rau hauv lub hnub ci-powered blinds, tsheb,nkoj, thiab lwm yam khoom siv mobile.
“Our study shows the great potential of perovskite-based tandem solar cells for future commercial application of photovoltaic technology. Building on our new discovery, we hope to further improve the performance of our tandem solar cells and scale up this technology,”haisAsst Prof Hou.
