Abstract
The new emerging organometal trihalide perovskite holds great potential for high-efficiency, low-cost solar cells because of its high solar to electricity conversation efficiency (>16%) achieved within 4 years of research and its low-temperature solution processing. In this Letter we introduce NiO as the hole-collecting and -conducting layer in perovskite solar cells. Through a modified sequential deposition strategy, we successfully fabricated high-quality CH3NH3PbI3 onto a planar NiO layer and built a planar inverted ITO/NiO/CH3NH3PbI3/PCBM/Al photovoltaic device. A device efficiency of 7.6% was achieved with an impressively high open-circuit voltage (Voc) of 1.05 V. Our study demonstrates the potential application of a deep work function NiO layer for perovskite solar cells. (Graph Presented).
| Original language | English |
|---|---|
| Pages (from-to) | 547-553 |
| Number of pages | 7 |
| Journal | ACS Photonics |
| Volume | 1 |
| Issue number | 7 |
| DOIs | |
| State | Published - 16 Jul 2014 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2014 American Chemical Society.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- NiO
- perovskite
- sequential deposition
- solar cell
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Biotechnology
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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