Journal ArticleDOI
Carbon quantum dot sensitized TiO2 nanotube arrays for photoelectrochemical hydrogen generation under visible light
Reads0
Chats0
TLDR
TiO2 nanotube arrays loaded with carbon quantum dots were used as a photoanode for efficient hydrogen generation under visible light.Abstract:
TiO2 nanotube arrays loaded with carbon quantum dots were used as a photoanode for efficient hydrogen generation under visible light.read more
Citations
More filters
Journal ArticleDOI
Carbon quantum dots and their applications
TL;DR: The progress in the research and development of CQDs is reviewed with an emphasis on their synthesis, functionalization and technical applications along with some discussion on challenges and perspectives in this exciting and promising field.
Journal ArticleDOI
Engineering heterogeneous semiconductors for solar water splitting
TL;DR: In this paper, a critical review highlights some key factors influencing the efficiency of heterogeneous semiconductors for solar water splitting (i.e. improved charge separation and transfer, promoted optical absorption, optimized band gap position, lowered cost and toxicity, and enhanced stability and water splitting kinetics).
Journal ArticleDOI
Smart Utilization of Carbon Dots in Semiconductor Photocatalysis.
TL;DR: Carbon dots have emerged as a promising new class of metal-free photocatalyst, displaying semiconductor-like photoelectric properties and showing excellent performance in a wide variety of photoelectrochemical and photocatalytic applications owing to their ease of synthesis.
Journal ArticleDOI
Carbon quantum dots and applications in photocatalytic energy conversion.
K. A. Shiral Fernando,Sushant Sahu,Yamin Liu,William K. Lewis,Elena A. Guliants,Amirhossein Jafariyan,Ping Wang,Christopher E. Bunker,Ya-Ping Sun +8 more
TL;DR: This article highlights carbon dots, which are small carbon nanoparticles with some form of surface passivation, and graphene quantum dots in various configurations by focusing on their syntheses, on their photoexcited state properties and redox processes, and on their applications as photocatalysts in visible-light carbon dioxide reduction and in water-splitting.
Journal ArticleDOI
Shining carbon dots: Synthesis and biomedical and optoelectronic applications
TL;DR: In this paper, the authors reviewed the latest researches on the synthesis, structure, optical and electronic properties of CDs as well as their advanced applications in biomedicine and optoelectronics.
References
More filters
Journal ArticleDOI
Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more
TL;DR: Water photolysis is investigated by exploiting the fact that water is transparent to visible light and cannot be decomposed directly, but only by radiation with wavelengths shorter than 190 nm.
Journal ArticleDOI
TiO2 nanotubes: synthesis and applications.
TL;DR: This review attempts to cover all aspects, including underlying principles and key functional features of TiO(2), in a comprehensive way and also indicates potential future directions of the field.
Journal ArticleDOI
Water‐Soluble Fluorescent Carbon Quantum Dots and Photocatalyst Design
Haitao Li,Xiaodie He,Zhenhui Kang,Zhenhui Kang,Hui Huang,Yang Liu,Yang Liu,Jinglin Liu,Suoyuan Lian,Chi Him A. Tsang,Xiao-Bao Yang,Shuit-Tong Lee +11 more
TL;DR: The facile one-step alkali-assisted electrochemical fabrication of CQDs with sizes of 1.2– 3.8 nm which possess size-dependent photoluminescence (PL) and excellent upconversion luminescence properties are reported and the design of photocatalysts is demonstrated to harness the use of the full spectrum of sunlight.
Journal ArticleDOI
Novel Carbon-Doped TiO2 Nanotube Arrays with High Aspect Ratios for Efficient Solar Water Splitting
TL;DR: The preparation of vertically grown carbon-doped TiO(2) (TiO( 2-x)C(x) nanotube arrays with high aspect ratios for maximizing the photocleavage of water under white-light irradiation showed much higher photocurrent densities and more efficient water splitting under visible-light illumination than pure TiO (2) nanOTube arrays.
Journal ArticleDOI
CdS quantum dots sensitized TiO2 nanotube-array photoelectrodes.
TL;DR: Results clearly demonstrate that the unique nanotubes structure can facilitate the propagation and kinetic separation of photogenerated charges, suggesting potentially important applications of the inorganic QDs sensitized TiO2 nanotube-array films in solar cell applications.
Related Papers (5)
Carbon nanodots: synthesis, properties and applications
Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more