Ultrafast dynamics on fluorescence quenching of rhodamine 6G by graphene oxide

D Liu, Q Wang, A Chen, Q Li, L Sui, M Jin - Luminescence, 2021 - Wiley Online Library
Fluorescence quenching of rhodamine 6G by graphene oxide (GO) was investigated using
steady‐state fluorescence spectroscopy and ultrafast time‐resolved absorption …

Photoluminescence enhancement of organic dye by graphene quantum dots

VK Sagar, AV Veluthandath, PB Bisht - Journal of Photochemistry and …, 2020 - Elsevier
The charge transfer (CT) interaction between the blue emitting graphene quantum dots
(GQDs) and an organic dye (fluorescein 27, F27) has been first studied by steady-state and …

Probing heteroatoms co-doped graphene quantum dots for energy transfer and 2-photon assisted applications

VK Sagar, S Dey, S Bhattacharya, P Lesani… - … of Photochemistry and …, 2022 - Elsevier
Carbon based quantum dots find various applications such as imaging, diagnosis and
therapeutics due to low toxicity, antibacterial activity, excellent water solubility, and good …

Optical characterization of graphene-fo-phenylenediamine and charge transfer interaction with organic dyes

VK Sagar, S Bhattacharya, S Dey, PB Bisht - Carbon, 2020 - Elsevier
Carbon based nanomaterials can effectively be doped to tailor their electronic and optical
properties for various applications. In this work, we have synthesized and characterized the …

Tuning photoluminescence quenching efficiency of reduced graphene oxide substrates using silver nanoparticles

P Chettri, A Tiwari - Thin Solid Films, 2019 - Elsevier
In this paper we report the synthesis of reduced graphene oxide doped with silver
nanoparticles using aqueous extract of Psidium guajava. The dependence of …

Energy Transfer from Carbon Dots to Organic Dye

VK Sagar, PB Bisht - Proceedings of the International Conference on …, 2022 - Springer
Organic fluorophores and inorganic material such as metal nano-clusters and fluorescent
quantum dots (QDs) are reliable and quantitative nanoprobes in bio-imaging and bio …