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author:

Di Girolamo, Diego (Di Girolamo, Diego.) [1] | Phung, Nga (Phung, Nga.) [2] | Jost, Marko (Jost, Marko.) [3] | Al-Ashouri, Amran (Al-Ashouri, Amran.) [4] | Chistiakova, Ganna (Chistiakova, Ganna.) [5] | Li, Junming (Li, Junming.) [6] | Marquez, Jose A. (Marquez, Jose A..) [7] | Unold, Thomas (Unold, Thomas.) [8] | Korte, Lars (Korte, Lars.) [9] | Albrecht, Steve (Albrecht, Steve.) [10] | Di Carlo, Aldo (Di Carlo, Aldo.) [11] | Dini, Danilo (Dini, Danilo.) [12] | Abate, Antonio (Abate, Antonio.) [13]

Indexed by:

EI Scopus SCIE

Abstract:

The effect of sodium doping in NiO as a contact layer for perovskite solar cells is investigated. A combined X-ray diffraction and X-ray photoelectron spectroscopy analysis reveals that Na+ mostly segregates as NaOx/NaCl species around NiO crystallites, with the effect of reducing interface capacitance as revealed by impedance spectroscopy. Inspired by this finding, the NiO/perovskite interface in perovskite solar cells is modified via insertion of an ultrathin NaCl interlayer, which increases the NiO work-function by 0.3 eV. This leads to an increase of power conversion efficiency, approaching 18%, and open-circuit voltage due to a remarkable suppression of surface recombination, as revealed by photoluminescence analysis and light intensity-dependent electrical measurements.

Keyword:

doping interface engineering interface recombination NiO perovskite solar cells

Community:

  • [ 1 ] [Di Girolamo, Diego]Univ Rome Sapienza, Dept Chem, Piazzale A Moro 5, I-00185 Rome, Italy
  • [ 2 ] [Dini, Danilo]Univ Rome Sapienza, Dept Chem, Piazzale A Moro 5, I-00185 Rome, Italy
  • [ 3 ] [Phung, Nga]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 4 ] [Jost, Marko]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 5 ] [Al-Ashouri, Amran]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 6 ] [Chistiakova, Ganna]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 7 ] [Li, Junming]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 8 ] [Marquez, Jose A.]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 9 ] [Unold, Thomas]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 10 ] [Korte, Lars]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 11 ] [Albrecht, Steve]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 12 ] [Abate, Antonio]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany
  • [ 13 ] [Li, Junming]Fuzhou Univ, Inst Adv Energy Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Fujian, Peoples R China
  • [ 14 ] [Abate, Antonio]Fuzhou Univ, Inst Adv Energy Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Fujian, Peoples R China
  • [ 15 ] [Albrecht, Steve]Tech Univ Berlin, Fac Elect Engn & Comp Sci 4, D-10587 Berlin, Germany
  • [ 16 ] [Di Carlo, Aldo]Univ Roma Tor Vergata, Dept Elect Engn, CHOSE, I-00133 Rome, Italy
  • [ 17 ] [Di Carlo, Aldo]Natl Univ Sci & Technol NUST MISiS, LASE, Leninskiy Prospect 6, Moscow 119049, Russia
  • [ 18 ] [Abate, Antonio]Univ Naples Federico II, Dept Chem Mat & Prod Engn, Piazzale Tecchio 80, I-80125 Naples, Italy

Reprint 's Address:

  • ANTONIO ABATE

    [Dini, Danilo]Univ Rome Sapienza, Dept Chem, Piazzale A Moro 5, I-00185 Rome, Italy;;[Abate, Antonio]Helmholtz Zentrum Berlin Mat & Energie, Kekulestr 5, D-12489 Berlin, Germany;;[Abate, Antonio]Fuzhou Univ, Inst Adv Energy Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Fujian, Peoples R China;;[Di Carlo, Aldo]Univ Roma Tor Vergata, Dept Elect Engn, CHOSE, I-00133 Rome, Italy;;[Di Carlo, Aldo]Natl Univ Sci & Technol NUST MISiS, LASE, Leninskiy Prospect 6, Moscow 119049, Russia;;[Abate, Antonio]Univ Naples Federico II, Dept Chem Mat & Prod Engn, Piazzale Tecchio 80, I-80125 Naples, Italy

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Source :

ADVANCED MATERIALS INTERFACES

ISSN: 2196-7350

Year: 2019

Issue: 17

Volume: 6

4 . 9 4 8

JCR@2019

4 . 3 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:236

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 45

SCOPUS Cited Count: 46

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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