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2H-NbS2 film as a novel counter electrode for meso-structured perovskite solar cells.

Abstract：

:We report the use of 2H-NbS2 film as a novel counter electrode in perovskite solar cells fabricated with a cold isostatic pressing method. The 2H-NbS2 film, which was prepared through an exfoliation method followed by restacking from LixNbS2 powder, shows high electrical conductivity of 8.7 × 103 S cm-1 and work function of 5.20 eV. The two-dimensional transition metal dichalcogenide was used for the first time as a counter electrode in meso-structured perovskite solar cells. Through this process, we demonstrated a new alternative to noble metals. The perovskite solar cell base on the 2H-NbS2 counter electrode showed an open-circuit voltage of 1.046 V, comparable to that of gold, and a power conversion efficiency of 8.3%.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Shao F,Tian Z,Qin P,Bu K,Zhao W,Xu L,Wang D,Huang F

doi

10.1038/s41598-018-25449-x

subject

Has Abstract

pub_date

2018-05-04 00:00:00

pages

7033

issue

1

issn

2045-2322

pii

10.1038/s41598-018-25449-x

journal_volume

8

pub_type

杂志文章

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