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Plasmonic hollow gold nanoparticles induced high-performance Bi2S3 nanoribbon photodetector
F
C
张
W
D
Y
K
罗
DOI:10.1515/nanoph-2016-0024.png)
Abstract
En 中文
A high performance hollow gold nanoparticles (HGNs) decorated one-dimensional (1-D) Bi2S3 nanoribbon (NR) photodetector was fabricated for green light detection (560 nm). The single crystal 1-D Bi2S3 NRs with growth orientation along [001] were synthesized by a simple solvothermal approach. Optoelectronic analysis reveals that the performance of the plasmonic photodetector was greatly enhanced after decoration with HGNs. For example, the responsivity increases from 1.4 x 10(2) to 1.09 x 10(3) AW(-1), the conductivity gain from 2.68 x 10(2) to 2.31 x 10(3), and the detectivity from 2.45 x 10(12) to 2.78 x 10(13), respectively. Such performance enhancement was attributed to the localized surface plasmon resonance (LSPR) effect caused by the HGNs according to both experiment and theoretical simulation. This study is believed to open up new opportunities for managing light and enhancing the device performance of other 1-D semiconductor nanostructures based optoelectronic devices and systems.
Keywords:
Green light detection
localized surface plasmon resonance
responsivity
finite element method
plasmonic nanoparticles
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