Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.14279/11003
Title: | Low-Temperature Combustion Synthesis of a Spinel NiCo2O4 Hole Transport Layer for Perovskite Photovoltaics | Authors: | Papadas, Ioannis T. Ioakeimidis, Apostolos Armatas, Gerasimos S. Choulis, Stelios A. |
Major Field of Science: | Engineering and Technology | Field Category: | Materials Engineering | Keywords: | Combustion synthesis;Hole transporting layers;NiCo2O4;Perovskites solar cells;Transparent conductive oxides | Issue Date: | Mar-2018 | Source: | Advanced Science, 2018, vol. 5, no. 5 | Volume: | 5 | Issue: | 5 | Journal: | Advanced Science | Abstract: | The synthesis and characterization of low-temperature solution-processable monodispersed nickel cobaltite (NiCo 2 O 4 ) nanoparticles (NPs) via a combustion synthesis is reported using tartaric acid as fuel and the performance as a hole transport layer (HTL) for perovskite solar cells (PVSCs) is demonstrated. NiCo 2 O 4 is a p-type semiconductor consisting of environmentally friendly, abundant elements and higher conductivity compared to NiO. It is shown that the combustion synthesis of spinel NiCo 2 O 4 using tartaric acid as fuel can be used to control the NPs size and provide smooth, compact, and homogeneous functional HTLs processed by blade coating. Study of PVSCs with different NiCo 2 O 4 thickness as HTL reveals a difference on hole extraction efficiency, and for 15 nm, optimized thickness enhanced hole carrier collection is achieved. As a result, p-i-n structure of PVSCs with 15 nm NiCo 2 O 4 HTLs shows reliable performance and power conversion efficiency values in the range of 15.5% with negligible hysteresis. | URI: | https://hdl.handle.net/20.500.14279/11003 | ISSN: | 21983844 | DOI: | 10.1002/advs.201701029 | Rights: | © WILEY | Type: | Article | Affiliation : | Cyprus University of Technology University of Crete |
Publication Type: | Peer Reviewed |
Appears in Collections: | Άρθρα/Articles |
Files in This Item:
File | Description | Size | Format | |
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Papadas_et_al-2018-Advanced_Science.pdf | Fulltext | 1.98 MB | Adobe PDF | View/Open |
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