Modulating the detection performance of solution processed stacked multilayer-MoS2 photodetectors upon ultraviolet–ozone surface treatment

Al-Jawhari, Hala; Badahdah, H.; Mudhaffar, Asmaa; Al-Tuwirqi, Reem M.

doi:10.1007/s00339-022-05263-z

Cited by 4 publications

(1 citation statement)

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“…Consequently, the leakage current in a built HfO 2 -based electrical device is decreased by more than 3 orders of magnitude. Al-Jawhari et al 666 used a similar method to heal the defects in MoS 2 layers and enhance their optical properties for use as a photodetector. During the treatment, oxygen molecules and ions react with the sulfur vacancies and passivate them.…”

Section: Defect Healingmentioning

confidence: 99%

Plasma Processing and Treatment of 2D Transition Metal Dichalcogenides: Tuning Properties and Defect Engineering

Sovizi,

Angizi,

Ahmad Alem

et al. 2023

Chem. Rev.

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Two-dimensional transition metal dichalcogenides (TMDs) offer fascinating opportunities for fundamental nanoscale science and various technological applications. They are a promising platform for next generation optoelectronics and energy harvesting devices due to their exceptional characteristics at the nanoscale, such as tunable bandgap and strong light-matter interactions. The performance of TMD-based devices is mainly governed by the structure, composition, size, defects, and the state of their interfaces. Many properties of TMDs are influenced by the method of synthesis so numerous studies have focused on processing high-quality TMDs with controlled physicochemical properties. Plasma-based methods are cost-effective, well controllable, and scalable techniques that have recently attracted researchers' interest in the synthesis and modification of 2D TMDs. TMDs' reactivity toward plasma offers numerous opportunities to modify the surface of TMDs, including functionalization, defect engineering, doping, oxidation, phase engineering, etching, healing, morphological changes, and altering the surface energy. Here we comprehensively review all roles of plasma in the realm of TMDs. The fundamental science behind plasma processing and modification of TMDs and their applications in different fields are presented and discussed. Future perspectives and challenges are highlighted to demonstrate the prominence of TMDs and the importance of surface engineering in next-generation optoelectronic applications.

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Section: Defect Healingmentioning

confidence: 99%