Tuning photo-response and electronic behavior of graphene quantum dots synthesized via ion irradiation

2021 ◽  
Vol 613 ◽  
pp. 412978
Author(s):  
Ashis K. Manna ◽  
Simeon J. Gilbert ◽  
Shalik R. Joshi ◽  
Takashi Komesu ◽  
Peter A. Dowben ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ion Irradiation ◽  
Graphene Quantum Dots ◽  
Photo Response ◽  
Electronic Behavior

scholarly journals A visible-light-driven composite photocatalyst of TiO2 nanotube arrays and graphene quantum dots

2014 ◽  
Vol 5 ◽  
pp. 689-695 ◽  
Author(s):  
Donald K L Chan ◽  
Po Ling Cheung ◽  
Jimmy C Yu
Keyword(s):  
Electron Microscopy ◽  
Quantum Dots ◽  
Visible Light ◽  
Graphene Quantum Dots ◽  
Infrared Spectrometry ◽  
Nanotube Arrays ◽  
X Ray Diffraction ◽  
Transmission Electron ◽  
Visible Light Driven ◽  
Photo Response

TiO2 nanotube arrays are well-known efficient UV-driven photocatalysts. The incorporation of graphene quantum dots could extend the photo-response of the nanotubes to the visible-light range. Graphene quantum dot-sensitized TiO2 nanotube arrays were synthesized by covalently coupling these two materials. The product was characterized by Fourier-transform infrared spectrometry (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA) and UV–vis absorption spectroscopy. The product exhibited high photocatalytic performance in the photodegradation of methylene blue and enhanced photocurrent under visible light irradiation.

Preparation of Graphene Quantum Dots and Their Biological Applications

2016 ◽  
Vol 31 (4) ◽  
pp. 337 ◽  
Author(s):  
SUN Xiao-Dan ◽  
LIU Zhong-Qun ◽  
YAN Hao
Keyword(s):  
Quantum Dots ◽  
Graphene Quantum Dots ◽  
Biological Applications

Effect of graphene quantum dots on intestinal imaging and mesenteric microcirculation in mice

2014 ◽  
Vol 35 (4) ◽  
pp. 372
Author(s):  
Yong-qiang MA ◽  
Zhen-guo WANG ◽  
Xue-li GOU ◽  
Na LI ◽  
Ya-qiang FENG ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Quantum Dots ◽  
Mesenteric Microcirculation
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