中文版 | English
Title

Manipulating Nanowire Structures for an Enhanced Broad-Band Flexible Photothermoelectric Photodetector

Author
Corresponding AuthorLiu, Jian-Wei; Yu, Shu-Hong
Joint first authorWang, Rui; He, Zhen
Publication Years
2022-07-01
DOI
Source Title
ISSN
1530-6984
EISSN
1530-6992
Volume22Pages:5929-5935
Abstract

The photothermoelectric effect, directly converting light energy into electrical energy, shows promising prospects in self-powered broad-band optical detection, which can extend to various applications, such as sensing, optoelectronic communications, and wide-temperature-range measurements. However, the low photosensitivity, narrow-band response, and rapid performance degeneration under continuous illumination restrict its broad application. Herein, we propose a simple bottom-up strategy to manipulate nanowires (NWs) into a well-defined multilayer TeAg2Te-Ag NW film, resulting in a high-performance photothermoelectric photodetector with a broad-band responsivity (4.1 V/W), large detectivity (944 MHz(1/)(2) W-1), and fast response speed (0.40.7 s from 365 to 1200 nm). In addition, the ultrathin structure endows this device with slow and weak transverse heat conduction, enabling a stable voltage without an obvious degeneration over 1500 s. The highly anisotropic arrangement of NWs gives this device a prominent polarization sensitivity. Prospectively, this hierarchically designed nanowire film provides a promising pathway toward engineering photodetectors with high performance.

Keywords
URL[Source Record]
Indexed By
SCI ; EI
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Corresponding
Funding Project
National Natural Science Foundation of China[
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000829814700001
Publisher
EI Accession Number
20223212553526
EI Keywords
Heat Conduction ; Nanowires ; Photons ; Polarization ; Silver Compounds ; Tellurium Compounds
ESI Classification Code
Heat Transfer:641.2 ; Nanotechnology:761 ; Atomic And Molecular Physics:931.3 ; Solid State Physics:933
ESI Research Field
MATERIALS SCIENCE
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:3
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/359440
DepartmentDepartment of Materials Science and Engineering
Affiliation
1.Univ Sci & Technol China, Inst Biomimet Mat & Chem, Hefei Natl Res Ctr Phys Sci Microscale, Dept Chem,Anhui Engn Lab Biomimet Mat,Div Nanomat, Hefei 230026, Peoples R China
2.Southern Univ Sci & Technol, Inst Innovat Mat I2M, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
Corresponding Author AffilicationDepartment of Materials Science and Engineering
Recommended Citation
GB/T 7714
Wang, Rui,He, Zhen,Wang, Jin-Long,et al. Manipulating Nanowire Structures for an Enhanced Broad-Band Flexible Photothermoelectric Photodetector[J]. NANO LETTERS,2022,22:5929-5935.
APA
Wang, Rui,He, Zhen,Wang, Jin-Long,Liu, Jia-Yang,Liu, Jian-Wei,&Yu, Shu-Hong.(2022).Manipulating Nanowire Structures for an Enhanced Broad-Band Flexible Photothermoelectric Photodetector.NANO LETTERS,22,5929-5935.
MLA
Wang, Rui,et al."Manipulating Nanowire Structures for an Enhanced Broad-Band Flexible Photothermoelectric Photodetector".NANO LETTERS 22(2022):5929-5935.
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acs.nanolett.2c01957(3652KB) Restricted Access--
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