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Semiconductors made of earth-abundant elements, such as zinc phosphide, have the potential to substitute less abundant, highly functional compound semiconductors such as InAs or InP. Compound semiconductors in the form of nanowires could revolutionise application areas such as energy harvesting and optoelectronics. Here we synthesise Zn3P2 nanowires tailored in four different morphologies, namely vertical, straight-titled, zigzag and crawling. The optical properties elucidated by cathodoluminescence spectroscopy indicate a shape and V/II ratio dependence. Band-edge, defects, or surface nanoclusters mediate the luminescence in different degrees. This work opens new avenues for the use of earth-abundant Zn3P2 nanowires in photovoltaic applications.
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Simon Robert Escobar Steinvall, Anna Fontcuberta i Morral, Lea Ghisalberti, Jean-Baptiste Leran, Rajrupa Paul, Elias Zsolt Stutz, Nicolas Tappy, Reza Zamani, Mahdi Zamani
Mirjana Dimitrievska, Simon Robert Escobar Steinvall, Anna Fontcuberta i Morral, Jean-Baptiste Leran, Rajrupa Paul, Elias Zsolt Stutz, Reza Zamani, Mahdi Zamani