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Cobalt Salt as Efficient Dopant for Spiro-MeOTAD in Cesium-Containing Planar Perovskite Solar Cells

Cobalt Salt as Efficient Dopant for Spiro-MeOTAD in Cesium-Containing Planar Perovskite Solar Cells

Lijun Yang, Pan Yang, Zijun Hu, Ting Jiang, Xinchun Lai, Hong Lin, Xiaochong Zhao

J Nanosci Nanotechnol. 2018 Apr 1;18(4):2898-2902.

PMID: 29442971

Abstract:

The chemical doping is an effective strategy to improve the charge transport property of hole transport material (HTM). Herein, tris(2-(1H-pyrazol-1-yl)pyridine]cobalt(III) (FK102) doped 2,2,7,7-tetrakis(N, N-di-p-methoxyphenylamine)-9,9-spirobifluorene (spiro-MeOTAD) as HTM for semi-transparent cesium-containing planar perovskite solar cell (Cs0.1MA0.9PbI3) is demonstrated. Incorporating FK102 realizes efficient doping, which improves the mobility of HTM from 3.948 × 10-3 m2V-1s-1 to 2.22 × 10-2 m2V-1s-1, which is 5.6 times enhancement. As a result, the power conversion efficiency (PCE) is largely improved from 7.58% to 10.09% due to the improved hole transport and extraction.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP207739728-B	Spiro-MeOTAD		207739-72-8	Price

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