Stretchable and Flexible Metal–Semiconductor–Metal UV Photodetector Based on Silver-Doped ZnO Nanostructures Using a Drop-Casting Method

Hosseini, Alireza; Abrari, Masoud; Sharifi Malvajerdi, Shahab; Mohseni, Seyed Majid; Sun, Haiding; Ghanaatshoar, Majid

doi:10.1021/acsanm.3c04218

Cited by 8 publications

(1 citation statement)

References 64 publications

(91 reference statements)

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“…The interest in the detection of ultraviolet (UV) radiation has increased in various application areas . In this concern, zinc oxide (ZnO) with a wide direct band gap (∼3.37 eV) value is highly attractive, especially in photocatalysis, photovoltaics, and UV detection systems. − The reason for the great interest in ZnO is associated with its numerous remarkable features such as high carrier mobility (200 cm 2 V –1 ), large exciton binding energy (60 MeV), nontoxic nature, thermal stability, and ease of manufacturing methods .…”

Section: Introductionmentioning

confidence: 99%

Self-Powered Quasi-Solid-State Photoelectrochemical Photodetectors Based on MXene Paper Modified by ZnO Nanostructured Architecture

Karagoz,

Tuc Altaf,

Tuzluca Yesilbag

et al. 2024

ACS Appl. Nano Mater.

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In this work, we report a self-powered quasi-solid-state photodetector (PD) device prepared from flexible two-dimensional (2D) nanocomposites of a zinc oxide nanowire (ZnO-NW) in various weight percents (5, 10, 30, 50%) and Ti 3 C 2 T x (MXene) paper, constructed with manganese (Mn)doped zinc oxide nanorods (ZnO NRs) using an ionic gel electrolyte and carbon paper. All PD performance tests revealed that 5% ZnO-MXene-based devices were superior to the other samples. The maximum detectivity of 1.44 × 10 13 Jones at 367 nm (0.1 mW cm −2 ) and zero bias was calculated for the 5% ZnO-MXenebased device. Additionally, a very high on/off ratio of nearly 10 6 , which is approximately 35-fold higher than that of the 50% ZnO-MXene-based PDs, was achieved for 5% ZnO-MXene PD at a zero bias under 367 nm (2.52 mW cm −2 ) illumination. The rise time for this device was 9.25 ms. Furthermore, the PD device exhibited excellent stability by enduring 1000 s of light on/off cycles. As a result, a simple, compact, and cost-effective self-powered ZnO-NW:MXene-based PD configuration showed fast photoresponse and excellent detecting performance.

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