Formation of CuInSe2 and Cu(In,Ga)Se2 films by electrodeposition and vacuum annealing treatment

2003 ◽  
Vol 80 (4) ◽  
pp. 483-490 ◽  
Author(s):  
L Zhang ◽  
F.D Jiang ◽  
J.Y Feng
Keyword(s):  
Vacuum Annealing ◽  
Annealing Treatment

Effects of vacuum annealing treatment on microstructures and residual stress of AlSi10Mg parts produced by selective laser melting process

2016 ◽  
Vol 30 (19) ◽  
pp. 1650255 ◽  
Author(s):  
Tian Chen ◽  
Linzhi Wang ◽  
Sheng Tan
Keyword(s):  
Residual Stress ◽  
Tensile Strength ◽  
Selective Laser Melting ◽  
Vacuum Annealing ◽  
Annealing Treatment ◽  
Melting Process ◽  
Second Phase ◽  
Laser Melting ◽  
Heat Treated ◽  
Before And After

Selective laser melting (SLM)-fabricated AlSi10Mg parts were heat-treated under vacuum to eliminate the residual stress. Microstructure evolutions and tensile properties of the SLM-fabricated parts before and after vacuum annealing treatment were studied. The results show that the crystalline structure of SLM-fabricated AlSi10Mg part was not modified after the vacuum annealing treatment. Additionally, the grain refinement had occurred after the vacuum annealing treatment. Moreover, with increasing of the vacuum annealing time, the second phase increased and transformed to spheroidization and coarsening. The SLM-produced parts after vacuum annealing at 300[Formula: see text]C for 2 h had the maximum ultimate tensile strength (UTS), yield strength (YS) and elongation, while the elastic modulus decreased significantly. In addition, the tensile residual stress was found in the as-fabricated AlSi10Mg samples by the microindentation method.

scholarly journals Remarkably Enhanced Room-Temperature Hydrogen Sensing of SnO2 Nanoflowers via Vacuum Annealing Treatment

Sensors ◽  
2018 ◽  
Vol 18 (4) ◽  
pp. 949 ◽  
Author(s):  
Gao Liu ◽  
Zhao Wang ◽  
Zihui Chen ◽  
Shulin Yang ◽  
Xingxing Fu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Vacuum Annealing ◽  
Annealing Treatment ◽  
Hydrogen Sensing

Influence of high vacuum annealing treatment on some properties of carbon nanotubes

2006 ◽  
Vol 86 (1) ◽  
pp. 115-119 ◽  
Author(s):  
E. Kowalska ◽  
P. Kowalczyk ◽  
J. Radomska ◽  
E. Czerwosz ◽  
H. Wronka ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Vacuum Annealing ◽  
High Vacuum ◽  
Annealing Treatment

Magnetron Sputtering High Temperature Mo-Al2O3 Cermet Solar Selective Coatings

2007 ◽  
Vol 546-549 ◽  
pp. 1773-1776 ◽  
Author(s):  
Xin Kang Du ◽  
Cong Wang ◽  
Tian Min Wang ◽  
Bu Liang Chen ◽  
Long Zhou ◽  
...  
Keyword(s):  
Room Temperature ◽  
Annealing Temperature ◽  
Vacuum Annealing ◽  
Layer Structure ◽  
Steel Substrate ◽  
Annealing Treatment ◽  
Solar Absorptance ◽  
Selective Coating ◽  
Before And After ◽  
Different Temperatures

Based on double cermet layer structure, Mo-Al2O3 cermet solar selective coating was prepared on stainless steel substrate. A solar absorptance of 0.92 and normal emittance of 0.19 at room temperature have been achieved. Vacuum annealing treatment was done and its influences on the solar selective performance was discussed. Absorptance changed between 0.90 and 0.92 under the selected annealing temperature range of 350-800°C, and emittance varied from 0.19 to 0.23 when heated at 650°C. The microstructures before and after annealing process at different temperatures were investigated.

scholarly journals Photo-Chlorine Production with Hydrothermally Grown and Vacuum-Annealed Nanocrystalline Rutile

2020 ◽  
Vol 12 (1) ◽  
pp. 65-77
Author(s):  
Thom R. Harris-Lee ◽  
Yan Zhang ◽  
Christopher R. Bowen ◽  
Philip J. Fletcher ◽  
Yuanzhu Zhao ◽  
...  
Keyword(s):  
Tin Oxide ◽  
Energy Surface ◽  
Vacuum Annealing ◽  
Surface States ◽  
Annealing Treatment ◽  
High Energy ◽  
Proof Of Concept ◽  
Surface Species ◽  
Aqueous Environments ◽  
Bulk Semiconductor

AbstractPhoto-generated high-energy surface states can help to produce chlorine in aqueous environments. Here, aligned rutile (TiO2) nanocrystal arrays are grown onto fluorine-doped tin oxide (FTO) substrates and activated either by hydrothermal Sr/Ba surface doping and/or by vacuum-annealing. With vacuum-annealing, highly photoactive films are obtained with photocurrents of typically 8 mA cm−2 at 1.0 V vs. SCE in 1 M KCl (LED illumination with λ = 385 nm and approx. 100 mW cm−2). Photoelectrochemical chlorine production is demonstrated at proof-of-concept scale in 4 M NaCl and suggested to be linked mainly to the production of Ti(III) surface species by vacuum-annealing, as detected by post-catalysis XPS, rather than to Sr/Ba doping at the rutile surface. The vacuum-annealing treatment is proposed to beneficially affect (i) bulk semiconductor TiO2 nanocrystal properties and electron harvesting, (ii) surface TiO2 reactivity towards chloride adsorption and oxidation, and (iii) FTO substrate performance.

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