Tailoring the electronic properties of graphene quantum dots by P doping and their enhanced performance in metal-free composite photocatalyst

J Qian, C Shen, J Yan, F Xi, X Dong… - The Journal of Physical …, 2018 - ACS Publications
Graphene quantum dots (GQDs) as new 0-dimensional (0D) materials have exhibited
promising applications in numerous fields, and these enormous potentials are largely …

Density functional theory study on optical and electronic properties of co-doped graphene quantum dots based on different nitrogen doping patterns

J Feng, Q Guo, N Song, H Liu, H Dong, Y Chen… - Diamond and Related …, 2021 - Elsevier
Heteroatom doping, especially co-doping, is an effective way to tailor electronic structures of
graphene quantum dots (GQDs) with synergistic effects and desirable properties. However …

Advances in preparation, mechanism and applications of graphene quantum dots/semiconductor composite photocatalysts: A review

C Cheng, Q Liang, M Yan, Z Liu, Q He, T Wu… - Journal of hazardous …, 2022 - Elsevier
Due to the low efficiency of single-component nano materials, there are more and more
studies on high-efficiency composites. As zero dimensional (0D) non-metallic semiconductor …

Highly luminescent S, N co-doped graphene quantum dots with broad visible absorption bands for visible light photocatalysts

D Qu, M Zheng, P Du, Y Zhou, L Zhang, D Li, H Tan… - Nanoscale, 2013 - pubs.rsc.org
A facile hydrothermal synthesis route to N and S, N co-doped graphene quantum dots
(GQDs) was developed by using citric acid as the C source and urea or thiourea as N and S …

Emerging carbon-based quantum dots for sustainable photocatalysis

J Wang, J Jiang, F Li, J Zou, K Xiang, H Wang, Y Li… - Green …, 2023 - pubs.rsc.org
Carbon-based quantum dots (QDs), as a new type of zero-dimensional (0D) inorganic
material, are favored by researchers because of their superior optical properties, good water …

Highly efficient heterostructures of C3N4 and o-GQDs with enrichment of specific oxygen-containing groups for photocatalytic applications

Y Nie, R Bao, J Yi, J Tao, P Liu, R Ma, H Luo… - Journal of Alloys and …, 2022 - Elsevier
Photocatalytic effectiveness of the graphene quantum dots (GQDs)/carbon nitride (C 3 N 4)
heterostructures is constrained even after tedious pre-modification due to the poor binding …

Designing nitrogen and phosphorus co-doped graphene quantum dots/g-C3N4 heterojunction composites to enhance visible and ultraviolet photocatalytic activity

Z Guo, S Ni, H Wu, J Wen, X Li, T Tang, M Li… - Applied Surface Science, 2021 - Elsevier
In metal-free gC 3 N 4 based materials, the rapid recombination of photoexcited carriers
limits its photocatalytic activity. In this work, for the first time, we synthesized a new kind of …

Graphene quantum dots (GQDs) and its derivatives for multifarious photocatalysis and photoelectrocatalysis

Z Zeng, S Chen, TTY Tan, FX Xiao - Catalysis Today, 2018 - Elsevier
Graphene quantum dots (GQDs), as a unique category of zero-dimensional (0D) carbon
nanomaterial, has ignited tremendous interest in the past few years owing to its gorgeous …

Formation mechanism and optimization of highly luminescent N-doped graphene quantum dots

D Qu, M Zheng, L Zhang, H Zhao, Z Xie, X Jing… - Scientific reports, 2014 - nature.com
Photoluminescent graphene quantum dots (GQDs) have received enormous attention
because of their unique chemical, electronic and optical properties. Here a series of GQDs …

Energy-level structure of nitrogen-doped graphene quantum dots

L Tang, R Ji, X Li, KS Teng, SP Lau - Journal of materials chemistry C, 2013 - pubs.rsc.org
The doping of carbon-based materials is of great importance due to its ability to modulate
their optical, electrical and optoelectronic properties. Nitrogen-doped graphene quantum …