The synergistic effect of H2O and DMF towards stable and 20% efficiency inverted perovskite solar cells

Author:

Chiang Chien-Hung12,Nazeeruddin Mohammad Khaja34567ORCID,Grätzel Michael89107,Wu Chun-Guey12111213ORCID

Affiliation:

1. Research Center for New Generation Photovoltaics, National Central University

2. Taiwan

3. Group for Molecular Engineering of Functional Materials

4. Institute of Chemical Sciences and Engineering

5. École Polytechnique Fédérale de Lausanne

6. CH-1951 Sion

7. Switzerland

8. Laboratory of Photonics and Interfaces

9. Swiss Federal Institute of Technology (EPFL)

10. Lausanne

11. Department of Chemistry

12. National Central University

13. Jhong-Li

Abstract

A high quality thick (500 nm) CH3NH3PbI3perovskite absorber with a horizontal grain size up to 3 μm and a lateral size equal to the film thickness was prepared by the synergistic effect of a H2O additive and DMF vapor treatmentviaa two-step spin coating method.

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

Reference65 articles.

1. The Wall Street Journal, 2014, http://www.wsj.com/articles/perovskite-offers-shot-at-cheapersolar-energy-1411937799

2. National Renewable Energy Laboratory, Best Research Cell Efficiency, http://www.nrel.gov/ncpv/images/efficiency_chart.jpg

3. Perovskite Solar Cells Keep On Surging

4. Organometal Perovskite Light Absorbers Toward a 20% Efficiency Low-Cost Solid-State Mesoscopic Solar Cell

5. Fast-track solar cells

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