MoS2-based absorbers with whole visible spectrum coverage and high efficiency

M Hashemi, N Ansari, M Vazayefi - Scientific reports, 2022 - nature.com
To design highly efficient and broadband nanometer-sized absorbers based on the
atomically thin transition metal dichalcogenides (TMDCs), we propose utilizing inclined gold …

Broadband and perfect absorption of monolayer MoS2 with Octonacci quasi-photonic crystal

Y Yu, H Da - Physica B: Condensed Matter, 2021 - Elsevier
Monolayer MoS 2 only absorbs a small part of the incident light due to its ultrathin thickness,
which greatly hinders its possible applications in photodetectors and solar cells. We …

Design of Wavelength-Adjustable Dual-Narrowband Absorber by Photonic Crystals With Two Defects Containing MoS2 Monolayer

N Ansari, K Mirbaghestan - Journal of Lightwave Technology, 2020 - opg.optica.org
Wavelength-adjustable dual-band absorber has a potential impact on photonic circuits.
While such devices are designed based on complicated structures, the use of a 2-D high …

Enhancement of light absorption in a WS2 monolayer using spacer and Au layers

N Ansari, E Mohebbi, F Gholami - Journal of Applied Physics, 2020 - pubs.aip.org
Among ultrathin transition metal dichalcogenides, WS 2 monolayers with a direct bandgap
have attracted intensive attention because of their narrow optical absorption centered at 619 …

Study of Optical, Electrochemical, and Morphological Properties of MoS2 Thin Films Prepared by Thermal Evaporation

M Shahbazi, MR Khanlary - Brazilian Journal of Physics, 2021 - Springer
In the present study, molybdenum disulfide (MoS2) thin films were synthesized by the
physical vapor deposition (PVD) method thermal evaporation on quartz substrates. We have …

Photoconversion efficiency in atomically thin TMDC-based heterostructures

K Setayeshmehr, M Hashemi, N Ansari - Optics Express, 2021 - opg.optica.org
Nowadays, two-dimensional materials such as graphene, phosphorene, and transition metal
dichalcogenides (TMDCs) are widely employed in designing photovoltaic devices. Despite …

Enhanced performance of organic solar cells through incorporation of MoS2 nanoparticles in bulk heterojunction layer

ZZ Akhatova, AM Alekseev, AK Аimukhanov… - Physica B: Condensed …, 2023 - Elsevier
In this work, MoS 2 nanoparticles were incorporated in P3HT: PC61BM bulk heterojunction
(BHJ) layers and the effect of their concertation on BHJ morphology and structure, its optical …

Tunable photoelectric properties of monolayer Mo 1− x W x Te 2 alloys: a first-principles study

M Gao, Z Wang, J Ma, H Jiang, Y Fu, S Huo, H Zhang… - RSC …, 2024 - pubs.rsc.org
Monolayer MoTe2 and WTe2 within the two-dimensional transition metal dichalcogenides
(TMDCs) material family exhibit broad potential for application in optoelectronic devices …

The role of the defect in photonic crystals based on WS2 or WSe2 monolayers: a vision on how to achieve high quality factor and wavelength adjustability in defect …

N Ansari, E Mohebbi, E Nazari - Optical and Quantum Electronics, 2023 - Springer
Two-dimensional transition metal dichalcogenides materials play a pivotal role in photonics.
Their placement in photonic crystals was proved effective in enhancing the absorption for a …

Design of narrowband or broadband absorber by heterostructures including TMDCS and spacers

N Ansari, B Goudarzi, E Mohebbi - Optics & Laser Technology, 2021 - Elsevier
Two-dimensional transition metal dichalcogenides materials (TMDCs) have gathered
attention because of their special features like absorption. In order to increase absorption in …