Recent advances on graphene quantum dots: from chemistry and physics to applications

Y Yan, J Gong, J Chen, Z Zeng, W Huang… - Advanced …, 2019 - Wiley Online Library
Graphene quantum dots (GQDs) that are flat 0D nanomaterials have attracted increasing
interest because of their exceptional chemicophysical properties and novel applications in …

Two-dimensional materials in semiconductor photoelectrocatalytic systems for water splitting

M Faraji, M Yousefi, S Yousefzadeh, M Zirak… - Energy & …, 2019 - pubs.rsc.org
Hydrogen (H2) production via solar water splitting is one of the most ideal strategies for
providing sustainable fuel because this requires only water and sunlight. In achieving high …

Current advances in quantum‐dots‐based photoelectrochemical immunoassays

J Shu, D Tang - Chemistry–An Asian Journal, 2017 - Wiley Online Library
As a newly developed technique, photoelectrochemical (PEC) immunoassays have
attracted great attention in recent years because of their low cost and desirable sensitivity …

Structural diversity of graphene materials and their multifarious roles in heterogeneous photocatalysis

C Han, N Zhang, YJ Xu - Nano Today, 2016 - Elsevier
Recent years have seen the rocket rise of graphene as the unique two-dimensional carbon
nanosheets and its outstanding promise in materials science. In particular, because of its …

Facile synthesis of fluorescent graphene quantum dots from coffee grounds for bioimaging and sensing

L Wang, W Li, B Wu, Z Li, S Wang, Y Liu, D Pan… - Chemical Engineering …, 2016 - Elsevier
We have developed a novel eco-friendly approach involving hydrazine hydrate-assisted
hydrothermal cutting followed by functionalization with poly (ethylene imine)(PEI) for …

Graphene quantum dots as hole extraction and transfer layer empowering solar water splitting of catalyst-coupled zinc ferrite nanorods

S Saha, D Maity, D De, GG Khan… - ACS Applied Materials & …, 2024 - ACS Publications
Despite the narrow band gap energy, the performance of zinc ferrite (ZnFe2O4) as a
photoharvester for solar-driven water splitting is significantly hindered due to its sluggish …

A Titanium‐Doped SiOx Passivation Layer for Greatly Enhanced Performance of a Hematite‐Based Photoelectrochemical System

HJ Ahn, KY Yoon, MJ Kwak, JH Jang - Angewandte Chemie, 2016 - Wiley Online Library
This study introduces an in situ fabrication of nanoporous hematite with a Ti‐doped SiOx
passivation layer for a high‐performance water‐splitting system. The nanoporous hematite …

One-step synthesis of nitrogen-doped carbon quantum dots for paper-based electrochemiluminescence detection of Cu2+ ions

R Li, Z Zhu, P Pan, J Liu, B Zhou, C Liu, Z Yang… - Microchemical …, 2022 - Elsevier
A one-step hydrothermal method using glucosamine as the carbon and nitrogen source,
mixed with dipotassium hydrogen phosphate (K 2 HPO 4) in an aqueous solution, is used to …

Advantages of nitrogen-doped graphene quantum dots as a green sensitizer with ZnO nanorod based photoanodes for solar energy conversion

T Majumder, SP Mondal - Journal of Electroanalytical Chemistry, 2016 - Elsevier
Graphene quantum dots (GQDs) and nitrogen-doped graphene quantum dots (N-GQDs)
have been synthesized by a hydrothermal process. Optical absorption study revealed strong …

Highly luminescent nitrogen doped graphene quantum dots sensitized TiO2 nanorod arrays for enhanced photoelectrochemical performance

K Debnath, T Majumder, SP Mondal - Journal of Electroanalytical Chemistry, 2022 - Elsevier
Photoelectrochemical (PEC) properties of N doped graphene quantum dots (NGQDs)
sensitized TiO 2 nanorods (NRs) have been studied. NGQDs have been prepared by using …