Solution-phase synthesis of γ-In2Se3 nanoparticles for highly efficient photocatalytic hydrogen generation under simulated sunlight irradiation

RSC Advances ◽  
2016 ◽  
Vol 6 (108) ◽  
pp. 106671-106675 ◽  
Author(s):  
Shuang Yang ◽  
Cheng-Yan Xu ◽  
Li Yang ◽  
Sheng-Peng Hu ◽  
Liang Zhen
Keyword(s):  
Hydrogen Generation ◽  
Triethylene Glycol ◽  
Indium Selenide ◽  
Solution Phase ◽  
Simulated Sunlight ◽  
Sunlight Irradiation ◽  
Phase Synthesis ◽  
Photocatalytic Hydrogen Generation ◽  
Solution Phase Synthesis ◽  
Hot Injection

Hexagonal indium selenide (In2Se3) nanoparticles were successfully synthesized by a hot-injection method using triethylene glycol as solvent, which have superior and stable photocatalytic hydrogen generation under simulated sunlight irradiation.

scholarly journals Synergy of the Combination of Titanate Nanotubes with Titania Nanoparticles for the Photocatalytic Hydrogen Generation from Water-Methanol Mixture Using Simulated Sunlight

2014 ◽  
Vol 2014 ◽  
pp. 1-6
Author(s):  
Marco Serra ◽  
Hermenegildo Garcia
Keyword(s):  
Hydrogen Generation ◽  
Titanium Dioxide Nanoparticles ◽  
Titanate Nanotubes ◽  
Titania Nanoparticles ◽  
Simulated Sunlight ◽  
Visible Absorption ◽  
Sunlight Irradiation ◽  
Photocatalytic Hydrogen Generation ◽  
Commercial Titanium ◽  
Alkali Digestion

Alkali digestion of titanium nanoparticles leads, after neutralization, to the formation of titanate nanotubes with long aspect ratio. One salient change in the formation of titanate nanotubes is the observation of an extended visible absorption band up to 550 nm, responsible for their brown colour. Combination of titanate nanotubes with commercial titanium dioxide nanoparticles, either Evonik P25 or Millennium PC500, results in an enhanced photocatalytic activity for hydrogen generation from water-methanol mixtures. This synergy between the two titanium semiconductors has an optimum for a certain proportion of the two components and is observed in both the absence and the presence of platinum or gold nanoparticles. The best efficiency under simulated sunlight irradiation was for a combination of 12 wt.% titanate nanotubes containing 0.32 wt.% platinum in 88 wt.% Millennium PC500, where a two-time increase in the hydrogen generation is observed versus the activity of Millennium PC500 containing platinum. This synergy is proposed to derive from the interfacial electron transfer from titanate nanotubes undergoing photoexcitation at wavelengths in which Millennium PC500 does not absorb this form of titania nanoparticles. Our results illustrate how the combination of several titanium semiconductors can result in an enhancement efficiency with respect to their individual components.

Nickel(ii)-ethylenediamine tetraacetic acid sensitized silicon nanowire array: an efficient cocatalyst-free photocatalyst for photocatalytic hydrogen generation under simulated sunlight irradiation

RSC Advances ◽  
2015 ◽  
Vol 5 (81) ◽  
pp. 65660-65667
Author(s):  
Cheng Huang ◽  
Shi-Zhao Kang ◽  
Xiangqing Li ◽  
Dong Wang ◽  
Lixia Qin ◽  
...  
Keyword(s):  
Hydrogen Generation ◽  
Silicon Nanowire ◽  
Nanowire Array ◽  
Tetraacetic Acid ◽  
Simulated Sunlight ◽  
Sunlight Irradiation ◽  
Ethylenediamine Tetraacetic Acid ◽  
Photocatalytic Hydrogen Generation ◽  
Photocatalytic System ◽  
Silicon Nanowire Array

The nickel(ii)-ethylenediamine tetraacetic acid sensitized silicon nanowire array was prepared. The as-prepared photocatalytic system possesses high activity for photocatalytic H2 evolution under sunlight irradiation.

Solution phase synthesis of oligonucleotides by the phosphoramidite method using solid supported reagents

2005 ◽  
Author(s):  
François Morvan ◽  
Aude-Emmanuelle Navarro ◽  
Cécile Dueymes ◽  
Ilaria Adamo ◽  
Andreas Schoenberger ◽  
...  
Keyword(s):  
Solution Phase ◽  
Phase Synthesis ◽  
Solution Phase Synthesis

Polymer-Assisted Parallel Solution Phase Synthesis of Substituted Benzimidazoles.

ChemInform ◽  
2010 ◽  
Vol 33 (35) ◽  
pp. 123-123
Author(s):  
Young K. Yun ◽  
John A. Porco Jr. ◽  
Jeff Labadie
Keyword(s):  
Solution Phase ◽  
Phase Synthesis ◽  
Parallel Solution ◽  
Solution Phase Synthesis

Solution-phase synthesis of monodispersed SnTe nanocrystallites at room temperature

2003 ◽  
Vol 6 (2) ◽  
pp. 181-184 ◽  
Author(s):  
Changhua An ◽  
Kaibin Tang ◽  
Bin Hai ◽  
Guozhen Shen ◽  
Chunrui Wang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Solution Phase ◽  
Phase Synthesis ◽  
Solution Phase Synthesis

Synthesis of O-Phosphotyrosine-Containing Peptides. II. Solution-Phase Synthesis of Asn-Glu-PTyr-Thr-Ala Through Methyl Phosphate Protection

1989 ◽  
Vol 42 (9) ◽  
pp. 1519 ◽  
Author(s):  
RM Valerio ◽  
JW Perich ◽  
EA Kitas ◽  
PF Alewood ◽  
RB Johns
Keyword(s):  
Trifluoroacetic Acid ◽  
Dimethyl Sulfide ◽  
Solution Phase ◽  
High Yield ◽  
Phase Synthesis ◽  
Rous Sarcoma ◽  
Naturally Occurring ◽  
Solution Phase Synthesis ◽  
Sarcoma Virus ◽  
Methyl Phosphate

The PTyr (O-phosphotyrosine) pentapeptide H-Asn-Glu-Tyr(PO3H2)-Thr-Ala-OH.HO2CCF3, which is a naturally occurring sequence from the autophosphorylated Rous sarcoma virus pp60V-SrC, was prepared in high yield by the use of Boc-Tyr(PO3Me2)-OH in the Boc mode of solution-phase peptide synthesis. The protected pentapeptide, Z-Asn-Glu(OBzl)-Tyr(PO3Me2)-Thr(Bzl)-Ala-OBzl, was deprotected by a two-stage procedure which involved initial palladium-catalysed hydrogenolysis followed by the removal of the phosphate methyl groups by the use of one of the following treatments: (A) 10% bromotrimethylsilane/acetonitrile, (B) 1 M bromotrimethylsilane/thioanisole in trifluoroacetic acid, or (C) trifluoromethanesulfonic acid/trifluoroacetic acid/dimethyl sulfide/m-cresol.

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