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- Title
Ultra-Long Crystalline Red Phosphorus Nanowires from Amorphous Red Phosphorus Thin Films.
- Authors
Smith, Joshua B.; Hagaman, Daniel; DiGuiseppi, David; Schweitzer ‐ Stenner, Reinhard; Ji, Hai ‐ Feng
- Abstract
Heating red phosphorus in sealed ampoules in the presence of a Sn/SnI4 catalyst mixture has provided bulk black phosphorus at much lower pressures than those required for allotropic conversion by anvil cells. Herein we report the growth of ultra-long 1D red phosphorus nanowires (>1 mm) selectively onto a wafer substrate from red phosphorus powder and a thin film of red phosphorus in the present of a Sn/SnI4 catalyst. Raman spectra and X-ray diffraction characterization suggested the formation of crystalline red phosphorus nanowires. FET devices constructed with the red phosphorus nanowires displayed a typical I-V curve similar to that of black phosphorus and a similar mobility reaching 300 cm2 V−1 s with an Ion/ Ioff ratio approaching 102. A significant response to infrared light was observed from the FET device.
- Subjects
PHOSPHORUS spectra; NANOWIRES spectra; METALLIC glasses; CRYSTAL structure; OPTICAL properties; THIN films; RAMAN spectra
- Publication
Angewandte Chemie, 2016, Vol 128, Issue 39, p12008
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201605516