Li@C60 endohedral fullerene as a supraatomic dopant for C60 electron-transporting layers promoting the efficiency of perovskite solar cells

Li@C60 endohedral fullerene as a supraatomic dopant for C60 electron-transporting layers promoting the efficiency of perovskite solar cells

C60:Li@C60 hybrid n-type semiconducting films were first fabricated. The Fermi level of 1% Li@C60-added C60 films was determined to be −4.52 eV, which was 0.12 eV higher than that of pristine C60 films. A fraction of Li@C60 is distributed uniformly within the C60 film. Its application in PSCs was de...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (79), p.11837-11839
Hauptverfasser: Ueno, Hiroshi, Jeon, Il, Hao-sheng, Lin, Thote, Abhishek, Nakagawa, Takafumi, Okada, Hiroshi, Izawa, Seiichiro, Hiramoto, Masahiro, Daiguji, Hirofumi, Maruyama, Shigeo, Matsuo, Yutaka
Format: Artikel
Sprache:eng
Schlagworte:
Buckminsterfullerene
Electron transport
Fullerenes
N-type semiconductors
Perovskites
Photovoltaic cells
Semiconducting films
Solar cells
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Zusammenfassung:C60:Li@C60 hybrid n-type semiconducting films were first fabricated. The Fermi level of 1% Li@C60-added C60 films was determined to be −4.52 eV, which was 0.12 eV higher than that of pristine C60 films. A fraction of Li@C60 is distributed uniformly within the C60 film. Its application in PSCs was demonstrated, in which the addition of Li@C60 into a C60 film improved the device performance.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc06120g