Novel metallated imidazole phthalocyanines: synthesis, ultrafast excited-state carrier dynamics and multiphoton absorption properties

MS Ahmed, KS Srivishnu, C Biswas, D Banerjee… - Materials …, 2023 - pubs.rsc.org
Metal-substituted phthalocyanines are an important class of materials garnering attention
due to their structural diversity and excellent optoelectronic properties. Herein, we …

Tunable near-infrared emission and three-photon absorption in lanthanide-doped double perovskite nanocrystals

MS Ahmed, L Sireesha, SK Nayak, R Bakthavatsalam… - Nanoscale, 2023 - pubs.rsc.org
Cs2AgInCl6 double perovskite (DP) nanocrystals (NCs) are an emerging class of materials
with promising application potential in photonics/optoelectronics owing to their nontoxicity …

Femtosecond nonlinear optical properties of polycyclic aromatic hydrocarbon-based Benzo [e] pyrene derivatives

SK Nayak, R Kore, MS Ahmed, P Verma, R Vallavoju… - Optical Materials, 2023 - Elsevier
We herein report our results on the nonlinear optical (NLO) properties of three polycyclic
aromatic hydrocarbons (PAHs) based benzo [e] pyrene derivatives namely 10-phenylbenzo …

Exotic femtosecond nonlinear optical properties of laser ablated MoS2 quantum dots

SK Nayak, MS Ahmed, M Velpandian, P Meduri… - Optical Materials, 2024 - Elsevier
Molybdenum disulfide (MoS 2) quantum dots (QDs) of sizes 2.05–4.40 nm were synthesized
using the femtosecond pulse laser ablation in liquid (PLAL) method. The optical and ultrafast …

Push–pull octaphenylporphyrins with mixed substituents pattern: Synthesis, redox, ultrafast dynamics and nonlinear optical studies

S Kumari, I Yadav, JN Acharyya, M Shanu… - Dyes and …, 2023 - Elsevier
A new family of β-functionalized octaphenylporphyrins, MOPP (NO 2) Br 3 (M= 2H, Zn II, Ni II,
or Cu II, and OPP= octaphenylporphyrin) has been synthesized possessing unsymmetrical …

All-optical modulation and photonic diode based on spatial self-phase modulation in porphyrin–napthalimide molecules

SK Nayak, MS Ahmed, R Murali, B Bhavani… - Journal of Materials …, 2024 - pubs.rsc.org
Understanding the pathway of the interaction of matter and photon is essential for
optoelectronic and photonic applications. Spatial self-phase modulation (SSPM) of light in …

Enhanced femtosecond nonlinear optical response in Mn-doped Cs2AgInCl6 nanocrystals

MS Ahmed, SK Nayak, L Sireesha, J Rathod… - Optics Letters, 2023 - opg.optica.org
Lead-free halide double perovskite nanocrystals (DPNCs) are emerging materials, recently
explored as potential candidates in light-emitting, photovoltaic, and other optoelectronic …

Regioisomers containing triarylboron-based motifs as multi-functional photoluminescent materials: from dual-mode delayed emission to pH-switchable room …

R Arumugam, ATM Munthasir, R Kannan… - Chemical …, 2024 - pubs.rsc.org
Triarylboron compounds have been established as promising candidates in optoelectronic
applications. However, realizing multi-functional properties in triaryl boron-based materials …

The rich nonlinear optical responses in a squaraine derivative: Nonlinear absorption and transient nonlinear refraction dynamics

W Zhou, X Wu, M Wang, X Liu, J Yang, Y Wang… - … of Photochemistry and …, 2023 - Elsevier
The abundant nonlinear optical responses of a squaraine derivative (2, 4-bis [4-
(diethylamino)-2-hydroxyphenyl] squaraine, SQ-640) are explored at visible and near …

Influence of Diketopyropyrole spacer on the Ultrafast Non-Linear Optical Properties and Excited state dynamics of Dimeric Zinc Porphyrin Molecules

R Murali, C Biswas, SK Nayak, H Wu, X Peng… - Journal of Materials …, 2024 - pubs.rsc.org
Zinc porphyrins (ZnP) are an important class of small molecule donors that have gained
significant attention in the domain of organic photovoltaics. In this work, we investigate and …