scholarly journals Radiative Rate Modulation Reveals Near‐Unity Quantum Yield of Graphene Quantum Dots (Advanced Optical Materials 19/2021)

2021 ◽  
Vol 9 (19) ◽  
pp. 2170074
Author(s):  
Subhabrata Ghosh ◽  
Nazar Oleksiievets ◽  
Jörg Enderlein ◽  
Alexey I. Chizhik
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Optical Materials ◽  
Graphene Quantum Dots ◽  
Rate Modulation ◽  
Radiative Rate

scholarly journals Radiative Rate Modulation Reveals Near‐Unity Quantum Yield of Graphene Quantum Dots

2021 ◽  
pp. 2100314
Author(s):  
Subhabrata Ghosh ◽  
Nazar Oleksiievets ◽  
Jörg Enderlein ◽  
Alexey I. Chizhik
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Graphene Quantum Dots ◽  
Rate Modulation ◽  
Radiative Rate

Ultra-bright alkylated graphene quantum dots

Nanoscale ◽  
2014 ◽  
Vol 6 (21) ◽  
pp. 12635-12643 ◽  
Author(s):  
Lan Feng ◽  
Xing-Yan Tang ◽  
Yun-Xin Zhong ◽  
Yue-Wen Liu ◽  
Xue-Huan Song ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Graphene Quantum Dots

Alkylated graphene quantum dots with negligible oxygen-containing groups exhibit pH-independent and ultra-bright PL with a quantum yield of up to 65%.

A reformative oxidation strategy using high concentration nitric acid for enhancing the emission performance of graphene quantum dots

RSC Advances ◽  
2014 ◽  
Vol 4 (89) ◽  
pp. 47977-47981 ◽  
Author(s):  
Taili Shao ◽  
Guodong Wang ◽  
Xuting An ◽  
Shujuan Zhuo ◽  
Yunsheng Xia ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Nitric Acid ◽  
Quantum Yield ◽  
Graphene Quantum Dots ◽  
High Concentration ◽  
Emission Performance

Red fluorescent graphene quantum dots with 18% quantum yield at 600 nm were obtained through a concentrated HNO3oxidation strategy.

Sustainable synthesis of single crystalline sulphur-doped graphene quantum dots for bioimaging and beyond

2018 ◽  
Vol 20 (18) ◽  
pp. 4245-4259 ◽  
Author(s):  
Sujata Sangam ◽  
Apoorv Gupta ◽  
Adeeba Shakeel ◽  
Rohan Bhattacharya ◽  
Arun Kumar Sharma ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Graphene Quantum Dots ◽  
Hydrothermal Route ◽  
Single Crystalline ◽  
Doped Graphene

Waste-driven single crystalline sulphur-doped GQDs are synthesized via a green hydrothermal route with the highest quantum yield and excellent biocompatibility for bioimaging.

Triphenylphosphine modified graphene quantum dots: spectral modulation for full spectrum of visible light with high quantum yield

RSC Advances ◽  
2015 ◽  
Vol 5 (42) ◽  
pp. 33347-33350 ◽  
Author(s):  
Siwei Yang ◽  
Chong Zhu ◽  
Jing Sun ◽  
Peng He ◽  
Ningyi Yuan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Visible Light ◽  
Graphene Quantum Dots ◽  
High Quantum Yield ◽  
Full Spectrum ◽  
Spectral Modulation ◽  
High Quantum ◽  
Modified Graphene

The spectral modulation for visible light with high quantum yield is developed based on triphenylphosphine modified graphene quantum dots.

High-yield synthesis of graphene quantum dots with strong green photoluminescence

RSC Advances ◽  
2014 ◽  
Vol 4 (91) ◽  
pp. 50141-50144 ◽  
Author(s):  
J. Gu ◽  
M. J. Hu ◽  
Q. Q. Guo ◽  
Z. F. Ding ◽  
X. L. Sun ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Graphene Quantum Dots ◽  
High Yield ◽  
Photoluminescence Emission ◽  
Emission Performance ◽  
Fluorescent Quantum Yield ◽  
Green Photoluminescence

The obtained GQDs have high fluorescent quantum yield (FL QY = 44.3%) and excitation-independent photoluminescence emission performance.

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