2021
DOI: 10.1016/j.mtener.2021.100724
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Boosting interfacial charge transfer by constructing rare earth–doped WOx nanorods/SnO2 hybrid electron transport layer for efficient perovskite solar cells

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Cited by 9 publications
(6 citation statements)
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“…RE 3+ -doped upconversion (UC) nanocrystals (NCs) have drawn tremendous attention due to their large anti-Stokes shift, excellent optical stability, and intense UC emission. So, they have great potential applications in biomolecular sensing, deep-tissue imaging, , optogenetics, lightings, , laser, , solar cells, temperature sensor, and other fields. …”
Section: Introductionmentioning
confidence: 99%
“…RE 3+ -doped upconversion (UC) nanocrystals (NCs) have drawn tremendous attention due to their large anti-Stokes shift, excellent optical stability, and intense UC emission. So, they have great potential applications in biomolecular sensing, deep-tissue imaging, , optogenetics, lightings, , laser, , solar cells, temperature sensor, and other fields. …”
Section: Introductionmentioning
confidence: 99%
“…Based on the results calculated from UPS, the E Fermi of MAPbI 2.91 Br 0.09 /PTAA:Ce 3+/4+ shifts upward compared to the MAPbI 2.91 Br 0.09 /PTAA thin film, inducing an ohmic contact at the interface between Ce 3+/4+ ‐doped perovskite and PCBM, which is beneficial to the electron extraction, thus improving the short‐circuit current density ( J SC ) of the PSCs. [ 36 ] Moreover, the E LUMO (−4.27 eV) of MAPbI 2.91 Br 0.09 /PTAA:Ce 3+/4+ is aligned well with that (−4.3 eV) of MAPbI 2.91 Br 0.09 PCBM layer and the E LUMO (−4.5 eV) of the Ag cathode. Such energy‐level alignment can ensure the separated electrons are transferred from the perovskite layer to the PCBM ETL and then collected by the Ag anode (Figure S2 and S3, Supporting Information).…”
Section: Resultsmentioning
confidence: 66%
“…Chen et al [208] used the Lanthanide ions (La 3þ ,Sm 3þ , Eu 3þ , Dy 3þ , Er 3þ , Yb 3þ ) doped WO x nanorods were prepared by the hot solvent method for perovskite crystal quality improving and charge recombination hindering by interface traps/defects reducing between the ETL and perovskite. As their result, the La:WO x /SnO 2 bilayer ETL showed the best PCE of 21.42% with high stability in compared to SnO 2 -based devices (19.08%).…”
Section: Sno 2 and Inorganic Materialsmentioning
confidence: 99%