Strong Ultrafast Saturable Absorption and Nonlinear Refraction of Some Non-van der Waals 2D Hematene and Magnetene Nanoplatelets for Ultrafast Photonic …

M Stavrou, N Chazapis, V Arapakis… - … Applied Materials & …, 2023 - ACS Publications
In the present work, some non-van der Waals (non-vdW) 2D materials, namely, hematene
and magnetene nanoplatelets, were synthesized starting from hematite and magnetite ores …

Crystalline Phase Effects on the Nonlinear Optical Response of MoS2 and WS2 Nanosheets: Implications for Photonic and Optoelectronic Applications

M Stavrou, N Chazapis, E Nikoli, R Arenal… - ACS Applied Nano …, 2022 - ACS Publications
In the present work, some MoS2 and WS2 nanosheets were prepared and characterized.
Depending on the preparation procedures, trigonal prismatic (2H) or octahedral (1T) …

Exceptional ultrafast nonlinear optical response of functionalized silicon nanosheets

M Stavrou, AM Mühlbach, V Arapakis, E Groß, T Kratky… - Nanoscale, 2023 - pubs.rsc.org
The present work reports on the ultrafast saturable absorption (SA), optical limiting (OL), and
the nonlinear refractive response of hydride-terminated silicon nanosheets (SiNS-H) …

Mixed Phase MoS2 Quantum Dots as Optical Limiters for Ultrafast Lasers

S Sirohi, M Jaiswal, PB Bisht - ACS Applied Nano Materials, 2024 - ACS Publications
Quantum dots of MoS2 synthesized via the method of laser ablation show a mixed phase of
2H and 1T polytypes with a lateral size of 2–7 nm. The photoluminescence spectra exhibit …

Hydrothermally Grown VS2 Nanosheets: A Material for Optical Limiting Applications

A Joseph, HJ Elamkulavan, C Keloth… - ACS Applied Optical …, 2023 - ACS Publications
The first graphene descendants in 2D materials that sparked intense research activity are
transition-metal dichalcogenides, which have a lot of applications because of their band …

Improved near-resonant two photon absorption of α-MnO2 nanowires surface functionalized reduced graphene oxide sheets

A Dhanusha, SG TC - Colloids and Surfaces A: Physicochemical and …, 2024 - Elsevier
The versatile study of graphene derivatives has resurgence of interest on understanding its
nonlinear optical response at different nanoscales. Nanostructured manganese dioxide …

Giant broadband (450–2300 nm) optical limiting and enhancement of the nonlinear optical response of some Graphenes by defect engineering

M Stavrou, I Papadakis, S Bawari… - The Journal of …, 2021 - ACS Publications
The nonlinear optical response (NLO) of some boron (B-GO), nitrogen (N-GO) doped, B, N
individually doped (B, N-GO), and B and N domain doped (BN-GO) reduced graphene …

2D Non‐van der Waals Nanoplatelets of Hematene and Magnetene: Nonlinear Optical Response and Optical Limiting Performance from UV to NIR

M Stavrou, N Chazapis, V Georgakilas… - … –A European Journal, 2023 - Wiley Online Library
Recently, the preparation of some hematene and magnetene ultrathin non van der Waals
(non‐vdW) 2D nanoplatelets was reported starting from hematite and magnetite natural iron …

Excitonic Effects on the Ultrafast Nonlinear Optical Response of MoS2 and Fluorinated Graphene/MoS2 Heterostructure Films for Photonic Applications

V Arapakis, M Stavrou, G Skentzos… - … Applied Materials & …, 2024 - ACS Publications
In the present work, the ultrafast nonlinear optical (NLO) response of some molybdenum
disulfide (MoS2), fluorinated graphene (FG), and FG/MoS2 heterostructure thin films was …

Silicon nanosheets: An emerging 2D photonic material with a large transient nonlinear optical response beyond graphene

M Stavrou, A Stathis, I Papadakis… - Nanomaterials, 2021 - mdpi.com
The present work reports on the transient nonlinear optical (NLO) responses of two different
types of 2D silicon nanosheets (SiNSs), namely hydride-terminated silicon nanosheets …