Metal–organic chemical vapor deposition growth of β-FeSi2/Si composite powder via vapor–liquid–solid method and its photocatalytic properties

2016 ◽  
Vol 55 (6S2) ◽  
pp. 06HC02 ◽  
Author(s):  
Kensuke Akiyama ◽  
Yuu Motoizumi ◽  
Hiroshi Funakubo ◽  
Hiroshi Irie ◽  
Yoshihisa Matsumoto
2004 ◽  
Vol 831 ◽  
Author(s):  
J. Su ◽  
M. Gherasimova ◽  
G. Cui ◽  
J. Han ◽  
S. Lim ◽  
...  

ABSTRACTWe report flexible synthesis of III-Nitride nanowires and heterostructures by metal-organic chemical vapor deposition (MOCVD) via a catalytic vapor-liquid-solid (VLS) growth mechanism. Indium is used as an in-situ catalyst to facilitate and sustain the stability of liquid phase droplet for VLS growth based on thermodynamic consideration. The employment of mesoporous molecular sieves (MCM-41) helps to prevent the coalescence of catalyst droplets and to promote nucleation statistics. Cathodoluminescence (CL) of GaN nanowires shows near band-edge emission at 370nm, and strong E2 phonon peak is observed at room temperature in Raman scattering spectra. Both binary GaN and AlN nanowires have been synthesized by MOCVD. Three-dimensional AlN/GaN trunk-branch nanostructures are reported to illustrate the versatility of incorporating the VLS mechanism into MOCVD process.


2019 ◽  
Vol 19 (8) ◽  
pp. 4661-4666 ◽  
Author(s):  
Md Rezaul Karim ◽  
Benthara Hewage Dinushi Jayatunga ◽  
Zixuan Feng ◽  
Kathleen Kash ◽  
Hongping Zhao

2005 ◽  
Vol 901 ◽  
Author(s):  
Shalini Gupta ◽  
Hun Kang ◽  
Matthew Kane ◽  
William E Fenwick ◽  
Nola Li ◽  
...  

AbstractQuantum dots (QDs) have been shown to improve the efficiency and optical properties of opto- electronic devices compared to two dimensional quantum wells in the active region. The formation of self-assembled GaN nanostructures on aluminum nitride (AlN) grown on sapphire substrates by Metal Organic Chemical Vapor deposition (MOCVD) was explored. This paper reports on the effect ofin-situactivation in nitrogen atmosphere on MOCVD grown GaN nanostructures. The effect of introducing manganese in these nanostructures was also studied. Optically active nanostructures were successfully obtained. A blue shift is observed in the photoluminescence data with a decrease in nanostructure size.


2D Materials ◽  
2016 ◽  
Vol 3 (2) ◽  
pp. 025015 ◽  
Author(s):  
Sarah M Eichfeld ◽  
Víctor Oliveros Colon ◽  
Yifan Nie ◽  
Kyeongjae Cho ◽  
Joshua A Robinson

Sign in / Sign up

Export Citation Format

Share Document