Laser-Driven Growth of Semiconductor Nanowires from Colloidal Nanocrystals
| Autor: | Peter J. Pauzauskie, Elena P. Pandres, Matthew J. Crane, E. James Davis, Vincent C. Holmberg |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
business.industry General Engineering Nanowire General Physics and Astronomy Nanotechnology 02 engineering and technology Photothermal therapy 010402 general chemistry 021001 nanoscience & nanotechnology Laser 01 natural sciences 0104 chemical sciences law.invention Colloid Semiconductor Nanocrystal law Phase (matter) General Materials Science Irradiation 0210 nano-technology business |
| Zdroj: | ACS nano. 15(5) |
| ISSN: | 1936-086X |
| Popis: | Semiconductor nanowire production through vapor- and solution-based processes has propelled nanowire systems toward a wide range of technological applications. Although vapor-based nanowire syntheses enable precise control over nanowire composition and phase, they typically employ batch processes with specialized pressure management systems, limiting throughput. Solution-based nanowire growth processes have improved scalability but can require even more extensive pressure and temperature management systems. Here, we demonstrate a solution-based nanowire growth process that utilizes the large Young-Laplace interfacial surface pressures and collective heating effects of colloidal metal nanocrystals under irradiation to drive nanowire growth photothermally. Laser irradiation of a solution containing metal nanocrystals and semiconductor precursors facilitates rapid heating, precursor decomposition, and nanowire growth on a benchtop in simple glassware under standard conditions, potentially enabling a range of solution-based experiments including in-line combinatorial identification of optimized reaction parameters, in situ measurements, and the production of nanowires with complex compositions. |
| Databáze: | OpenAIRE |
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