Ultrafast Optical Nanoscopy of Carrier Dynamics in Silicon Nanowires.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c04790
Abstract: Carrier distribution and dynamics in semiconductor materials often govern their physical properties that are critical to functionalities and performance in industrial applications. The continued miniaturization of electronic and photonic devices calls for tools to probe… read more here.
Keywords: carrier dynamics; carrier; silicon nanowires; optical nanoscopy ... See more keywords
Ultrafast imaging of surface-exclusive carrier dynamics in silicon
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5074198
Abstract: Understanding the dynamics of charge carriers at the semiconductor surfaces and interfaces is fundamental to the further development of photocatalytic, photovoltaic, and optoelectronic devices. Here, we study the surface photovoltage (SPV) dynamics in intrinsic and… read more here.
Keywords: ultrafast imaging; surface; dynamics silicon; carrier dynamics ... See more keywords
Carrier dynamics in silicon nanowires studied via femtosecond transient optical spectroscopy from 1.1 to 3.5 eV.
Sign Up to like & getrecommendations! Published in 2019 at "Nanotechnology"
DOI: 10.1088/1361-6528/ab044a
Abstract: We present femtosecond transient transmission (or absorbance) measurements in silicon nanowires in the energy range 1.1-3.5 eV, from below the indirect band-gap to above the direct band-gap. Our pump-probe measurements allow us to give a… read more here.
Keywords: carrier dynamics; band gap; dynamics silicon; spectroscopy ... See more keywords