Ultrahigh-performance self-powered photodetectors based on hexagonal YbMnO<sub>3</sub> ferroelectric thin films by the polarization-induced ripple effect

Zhang, Shan; Gong, Ao; Yang, Xinxiang; Han, Pei; Sun, Ninghui; Li, Yong; Zhang, Liwen; Hao, Xihong

doi:10.1039/d2qi01774a

Cited by 6 publications

(1 citation statement)

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“…However, the external field generally leads to high dark current, a small switching ratio, large volume, and high energy consumption, which limits their practical applications [7][8][9]. Therefore, self-powered photodetectors that can operate without any external bias have effective application potential in future low energy consumption optoelectronics [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

Gao,

Song,

Zhang

et al. 2024

Crystals

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Self-powered photodetectors have the advantages of high sensitivity, sustainability, and small size and have become a research hotspot in advanced optoelectronic systems. However, the low output photocurrent density seriously hinders the practical application of ferroelectric self-powered photodetectors. Herein, the high-efficiency photoelectric detection performance of the Bi1-xHoxFeO3 ferroelectric self-powered photodetector is realized by doping Ho. The responsivity (R) and detectivity (D*) can reach 0.0159 A/W and 1.94 × 1011 Jones under monochromatic light with a wavelength of 900 nm. Meanwhile, the R and D* can reach 0.022 A/W and 2.65 × 1011 Jones under sunlight. These excellent photodetection performances are attributed to the high short-circuit current density (Jsc). When the Ho content is 6%, the output photocurrent reaches up to 0.81 mA/cm2. The systematic structure and photo-electric characteristic analysis suggest that the decrease in the band gap leads to the generation of a larger photocurrent while the ferroelectric polarization is reduced slightly. This work provides a new way to obtain high-performance self-powered photodetectors.

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Section: Introductionmentioning

confidence: 99%

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

Gao,

Song,

Zhang

et al. 2024

Crystals

Self Cite

View full text Add to dashboard Cite

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Nanostructured YbMn1−хFeхO3 and its physical properties

Li,

Abdulvakhidov,

Soldatov

et al. 2023

J Mater Sci: Mater Electron

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Outstanding photoelectrical response in BiFeO3 hollow microspheres deposited by ultrasonic spray pyrolysis technique

Simón

López

Luz

et al. 2023

Journal of Alloys and Compounds

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Ultrahigh-performance self-powered photodetectors based on hexagonal YbMnO₃ ferroelectric thin films by the polarization-induced ripple effect

Abstract: The utilization of ferroelectric materials is believed to be a viable way to construct self-powered photodetectors based on ferroelectric photovoltaic effect. However, low photocurrent density of ferroelectric materials is a...

Cited by 6 publications

References 48 publications

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

Nanostructured YbMn1−хFeхO3 and its physical properties

Outstanding photoelectrical response in BiFeO3 hollow microspheres deposited by ultrasonic spray pyrolysis technique

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Ultrahigh-performance self-powered photodetectors based on hexagonal YbMnO3 ferroelectric thin films by the polarization-induced ripple effect

Abstract: The utilization of ferroelectric materials is believed to be a viable way to construct self-powered photodetectors based on ferroelectric photovoltaic effect. However, low photocurrent density of ferroelectric materials is a...

Cited by 6 publications

References 48 publications

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

Nanostructured YbMn1−хFeхO3 and its physical properties

Outstanding photoelectrical response in BiFeO3 hollow microspheres deposited by ultrasonic spray pyrolysis technique

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Product

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Ultrahigh-performance self-powered photodetectors based on hexagonal YbMnO₃ ferroelectric thin films by the polarization-induced ripple effect