scholarly journals Self-assembly method of linearly aligning ZnO quantum dots for a nanophotonic signal transmission device

2010 ◽  
Vol 96 (13) ◽  
pp. 133106 ◽  
Author(s):  
T. Yatsui ◽  
Y. Ryu ◽  
T. Morishima ◽  
W. Nomura ◽  
T. Kawazoe ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Self Assembly ◽  
Signal Transmission ◽  
Assembly Method ◽  
Zno Quantum Dots

Highly Luminescent Glass Films Incorporating Hydrophobic Quantum Dots Prepared by Layer-by-layer Self-assembly Method

2016 ◽  
Vol 45 (1) ◽  
pp. 10-12 ◽  
Author(s):  
Xiaohui Liu ◽  
Jing Han ◽  
Weina Wu ◽  
Qian Shi ◽  
Wei Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Self Assembly ◽  
Layer By Layer ◽  
Assembly Method ◽  
Glass Films

Measuring photoluminescence spectra of self-assembly array nanowire of colloidal CdSe quantum dots using scanning near-field optics microscopy

2016 ◽  
Vol 09 (03) ◽  
pp. 1650040 ◽  
Author(s):  
Zhongchen Bai ◽  
Licai Hao ◽  
Zhengping Zhang ◽  
Shuijie Qin
Keyword(s):  
Quantum Dots ◽  
Self Assembly ◽  
Near Field ◽  
Porous Titanium ◽  
Periodic Array ◽  
Main Peak ◽  
Cdse Quantum Dots ◽  
Cdse Qds ◽  
Near Field Optics ◽  
Assembly Method

A novel periodic array CdSe nanowire is prepared on a substrate of the porous titanium dioxide by using a self-assembly method of the colloidal CdSe quantum dots (QDs). The experimental results show that the colloidal CdSe QDs have renewedly assembled on its space scale and direction in process of losing background solvent and form the periodic array nanowire. The main peak wavelength of Photoluminescence (PL) spectra, which is measured by using a 100-nm aperture laser beam spot on a scanning near-field optics microscopy, has shifted 60 nm with compared to the colloidal CdSe QDs. Furthermore, we have measured smaller ordered nanometer structure in thin QDs area as well, a 343-nm periodic nanowire in thick QDs area and the colloidal QDs in edge of well-ordered nanowire.

PbSe quantum dots fiber amplifier based on sol-gel self-assembly method

2010 ◽  
Author(s):  
Xiaolan Sun ◽  
Yanhua Dong ◽  
Chao Li ◽  
Xiaohong Liu ◽  
Guangyao Liu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Self Assembly ◽  
Sol Gel ◽  
Fiber Amplifier ◽  
Assembly Method

scholarly journals Metal free and efficient photoelectrocatalytic removal of organic contaminants over g-C3N4 nanosheet films decorated with carbon quantum dots

RSC Advances ◽  
2017 ◽  
Vol 7 (89) ◽  
pp. 56335-56343 ◽  
Author(s):  
Zisheng Zhang ◽  
Shuanglong Lin ◽  
Xingang Li ◽  
Hong Li ◽  
Wenquan Cui
Keyword(s):  
Quantum Dots ◽  
Self Assembly ◽  
Organic Contaminants ◽  
Carbon Quantum Dots ◽  
Ultrasonic Dispersion ◽  
Composite Photocatalyst ◽  
Metal Free ◽  
Assembly Method ◽  
Semiconductor Photocatalyst

As a typical metal-free semiconductor photocatalyst, a composite photocatalyst comprised of g-C3N4 nanosheets decorated with carbon quantum dots (CQDs/g-C3N4) was synthesized via a simple ultrasonic dispersion self-assembly method.

Effect of Surface Plasmon Resonance on the Photoluminescence from Si Quantum Dot Structures for Third Generation Solar Cell Applications

2012 ◽  
Vol 1391 ◽  
Author(s):  
Supriya Pillai ◽  
Joel J. Hohn ◽  
Craig M. Johnson ◽  
Gavin J. Conibeer
Keyword(s):  
Quantum Dots ◽  
Metal Nanoparticles ◽  
Surface Plasmon ◽  
Self Assembly ◽  
Metal Layer ◽  
Resonance Excitation ◽  
Enhanced Absorption ◽  
Assembly Method ◽  
Low Dimensional ◽  
Silver Metal

ABSTRACTLow dimensional structures like quantum dots (QDs) offers the the ability to tune the absorption properties of standard semiconductor materials. However, QDs are relatively weak light absorbers and hence may benefit significantly from coupling with plasmonic modes in nearby metal structures. In the case of a Si QD absorber layer for photovoltaic applications, enhanced absorption would lead to improved power conversion efficiency. Silver metal nanoparticles (MNPs) were deposited on Si QD structures using the self-assembly method of evaporation and annealing. Room temperature photoluminescence (PL) measurements were used to study the surface plasmon (SP) enhanced emission from the samples. The results were compared to conventional metal back reflectors. Enhanced surface plasmon coupled emission (SPCE) from Si QDs in the vicinity of silver metal nanoparticles (MNPs) is observed with a good correlation between the enhancement and the resonance excitation. Quenching was observed from the same emitter layers placed in close proximity to thin flat silver reflector layers, indicating the importance of the spacer layer between a metal layer and the quantum dots in optimising enhancement. The results have implications for the design of SP-enhanced QD solar cells.

Optimizing the deposition of CdSe colloidal quantum dots on TiO2 film electrode via capping ligand induced self-assembly approach

RSC Advances ◽  
2015 ◽  
Vol 5 (105) ◽  
pp. 86023-86030 ◽  
Author(s):  
Xinxin Meng ◽  
Jun Du ◽  
Hua Zhang ◽  
Xinhua Zhong
Keyword(s):  
Quantum Dots ◽  
Tio2 Film ◽  
Self Assembly ◽  
Colloidal Quantum Dots ◽  
Film Electrode ◽  
Assembly Method ◽  
Experimental Parameters

The influences of experimental parameters in the process of CdSe QD deposition via a capping ligand-induced self-assembly method on the QD loading and the performance of the resultant cell devices have been systematically investigated and optimized.

Graphene–CdS quantum dots–polyoxometalate composite films for efficient photoelectrochemical water splitting and pollutant degradation

2014 ◽  
Vol 16 (47) ◽  
pp. 26016-26023 ◽  
Author(s):  
Meng Wang ◽  
Xinke Shang ◽  
Xuelian Yu ◽  
Rongji Liu ◽  
Yongbing Xie ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Water Splitting ◽  
Self Assembly ◽  
Nanocomposite Film ◽  
Electrical Response ◽  
Composite Films ◽  
Layer By Layer ◽  
Cds Quantum Dots ◽  
Pollutant Degradation ◽  
Assembly Method

rGO–CdS–H2W12 nanocomposite film was successfully fabricated by a layer-by-layer self-assembly method. The film showed good photo-electrical response under irradiation of solar light.

High thermal conductivity property of polyamide-imide/boron nitride composite films by doping boron nitride quantum dots

2019 ◽  
Vol 7 (44) ◽  
pp. 13896-13903 ◽  
Author(s):  
Shuaishuai Zhou ◽  
Tongle Xu ◽  
Fang Jiang ◽  
Na Song ◽  
Liyi Shi ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Quantum Dots ◽  
Boron Nitride ◽  
Composite Film ◽  
Self Assembly ◽  
Composite Films ◽  
Conductivity Property ◽  
Assembly Method ◽  
Boron Nitride Nanosheet ◽  
Evaporation Induced Self Assembly

In this study, we report a flexible polyamide-imide (PAI)/boron nitride nanosheet (BNNS) composite film with improved thermal conductivity by doping boron nitride quantum dots (BNQDs) using an evaporation-induced self-assembly method.

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