The photoluminescence mechanism in carbon dots (graphene quantum dots, carbon nanodots, and polymer dots): current state and future perspective

S Zhu, Y Song, X Zhao, J Shao, J Zhang, B Yang - Nano research, 2015 - Springer
At present, the actual mechanism of the photoluminescence (PL) of fluorescent carbon dots
(CDs) is still an open debate among researchers. Because of the variety of CDs, it is highly …

Carbon quantum dots and their applications

SY Lim, W Shen, Z Gao - Chemical Society Reviews, 2015 - pubs.rsc.org
Fluorescent carbon nanoparticles or carbon quantum dots (CQDs) are a new class of carbon
nanomaterials that have emerged recently and have garnered much interest as potential …

Red, green, and blue luminescence by carbon dots: full‐color emission tuning and multicolor cellular imaging

K Jiang, S Sun, L Zhang, Y Lu, A Wu, C Cai… - Angewandte …, 2015 - Wiley Online Library
A facile approach for preparation of photoluminescent (PL) carbon dots (CDs) is reported.
The three resulting CDs emit bright and stable red, green and blue (RGB) colors of …

Glowing graphene quantum dots and carbon dots: properties, syntheses, and biological applications

XT Zheng, A Ananthanarayanan, KQ Luo, P Chen - small, 2015 - Wiley Online Library
The emerging graphene quantum dots (GQDs) and carbon dots (C‐dots) have gained
tremendous attention for their enormous potentials for biomedical applications, owing to …

Truly Fluorescent Excitation-Dependent Carbon Dots and Their Applications in Multicolor Cellular Imaging and Multidimensional Sensing.

L Pan, S Sun, A Zhang, K Jiang, L Zhang… - … (Deerfield Beach, Fla …, 2015 - europepmc.org
Truly fluorescent excitation-dependent carbon dots are prepared, and the relationship
between their chemical composition and fluorescent emission is discussed. Furthermore …

Carbon quantum dots and applications in photocatalytic energy conversion

KAS Fernando, S Sahu, Y Liu, WK Lewis… - … applied materials & …, 2015 - ACS Publications
Quantum dots (QDs) generally refer to nanoscale particles of conventional semiconductors
that are subject to the quantum-confinement effect, though other nanomaterials of similar …

Photoluminescence‐tunable carbon nanodots: surface‐state energy‐gap tuning

L Bao, C Liu, ZL Zhang, DW Pang - Advanced Materials, 2015 - Wiley Online Library
C-dots (< 3k), C-dots (3–10k), and C-dots (10–30k), respectively. The X-ray diffraction (XRD)
patterns of the C-dots (Figure 1 D) were obtained to identify their crystalline nature. The …

Solar hydrogen production using carbon quantum dots and a molecular nickel catalyst

BCM Martindale, GAM Hutton, CA Caputo… - Journal of the …, 2015 - ACS Publications
Carbon quantum dots (CQDs) are established as excellent photosensitizers in combination
with a molecular catalyst for solar light driven hydrogen production in aqueous solution. The …

Self-targeting fluorescent carbon dots for diagnosis of brain cancer cells

M Zheng, S Ruan, S Liu, T Sun, D Qu, H Zhao, Z Xie… - ACS …, 2015 - ACS Publications
A new type of carbon dots (CD-Asp) with targeting function toward brain cancer glioma was
synthesized via a straightforward pyrolysis route by using d-glucose and l-aspartic acid as …

Tunable photoluminescence across the entire visible spectrum from carbon dots excited by white light

S Hu, A Trinchi, P Atkin, I Cole - … Chemie International Edition, 2015 - Wiley Online Library
Although reports have shown shifts in carbon dot emission wavelengths resulting from
varying the excitation wavelength, this excitation‐dependent emission does not constitute …