scholarly journals Particle Size-Controlled Growth of Carbon-Supported Platinum Nanoparticles (Pt/C) through Water-Assisted Polyol Synthesis

ACS Omega ◽  
2019 ◽  
Vol 4 (13) ◽  
pp. 15711-15720 ◽  
Author(s):  
Raghunandan Sharma ◽  
Yue Wang ◽  
Fan Li ◽  
Jessica Chamier ◽  
Shuang Ma Andersen
Keyword(s):  
Particle Size ◽  
Platinum Nanoparticles ◽  
Polyol Synthesis ◽  
Controlled Growth ◽  
Supported Platinum ◽  
Size Controlled

Control of average particle size of carbon aerogel supported platinum nanoparticles by supercritical deposition

2017 ◽  
Vol 245 ◽  
pp. 94-103 ◽  
Author(s):  
Şansım Bengisu Barım ◽  
Ayşe Bayrakçeken ◽  
Selmi Erim Bozbağ ◽  
Lichun Zhang ◽  
Rıza Kızılel ◽  
...  
Keyword(s):  
Particle Size ◽  
Platinum Nanoparticles ◽  
Average Particle Size ◽  
Carbon Aerogel ◽  
Average Particle ◽  
Supported Platinum ◽  
Supercritical Deposition

scholarly journals Anion Dependent Particle Size Control of Platinum Nanoparticles Synthesized in Ethylene Glycol

Nanomaterials ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2092
Author(s):  
Johanna Schröder ◽  
Sarah Neumann ◽  
Jonathan Quinson ◽  
Matthias Arenz ◽  
Sebastian Kunz
Keyword(s):  
Particle Size ◽  
Ethylene Glycol ◽  
Platinum Nanoparticles ◽  
Metal Salt ◽  
Size Control ◽  
Thermal Reduction ◽  
Polyol Synthesis ◽  
Molar Ratio ◽  
Established Method ◽  
Anion Effect

The polyol synthesis is a well-established method to form so-called “surfactant-free” nanoparticles (NPs). In the present study, the NP size resulting from the thermal reduction of the precursors H2PtCl6, H2Pt(OH)6, or Pt(acac)2 in presence of the bases NaOH or Na(acac) at different concentrations is studied. It is shown that the size control depends more strongly on the nature of the precursor (metal salt) than on the anion present in the base. The latter is surprising as the concentration of the base anion is often an important factor to achieve a size control. The reduction of H2PtCl6 or H2Pt(OH)6 in presence of NaOH and Na(acac) confirm the observation that the NP size is determined by the OH−/Pt molar ratio and expands it to the base anion/Pt molar ratio. In contrast, the reduction of Pt(acac)2 in presence of the bases NaOH (previous reports) or Na(acac) (shown in the present work) leads to larger NPs of ca. 3 nm, independent of the concentration of the base anions. Hence, the anion effect observed here seems to originate predominantly from the nature of the precursor (precursor anion dependence) and only for certain precursors as H2PtCl6 or H2Pt(OH)6 the size control depends on the base anion/Pt molar ratio.

Metal–support cooperation in Al(PO3)3-supported platinum nanoparticles for the selective hydrogenolysis of phenols to arenes

2021 ◽  
Vol 4 (4) ◽  
pp. 312-321
Author(s):  
Xiongjie Jin ◽  
Rio Tsukimura ◽  
Takeshi Aihara ◽  
Hiroki Miura ◽  
Tetsuya Shishido ◽  
...  
Keyword(s):  
Platinum Nanoparticles ◽  
Supported Platinum ◽  
Metal Support ◽  
Selective Hydrogenolysis

Controlled growth and shape formation of platinum nanoparticles and their electrochemical properties

2006 ◽  
Vol 52 (4) ◽  
pp. 1632-1638 ◽  
Author(s):  
Minoru Inaba ◽  
Miwa Ando ◽  
Aoi Hatanaka ◽  
Akihiro Nomoto ◽  
Koichi Matsuzawa ◽  
...  
Keyword(s):  
Electrochemical Properties ◽  
Platinum Nanoparticles ◽  
Controlled Growth ◽  
Shape Formation

Fabrication of a Ni foam-supported platinum nanoparticles-silver/polypyrrole electrode for aqueous ammonia sensing

2020 ◽  
Vol 259 ◽  
pp. 116257 ◽  
Author(s):  
Liang Zhang ◽  
Jishun Liu ◽  
Xiaolei Peng ◽  
Qiang Cui ◽  
Dong He ◽  
...  
Keyword(s):  
Platinum Nanoparticles ◽  
Aqueous Ammonia ◽  
Ni Foam ◽  
Ammonia Sensing ◽  
Supported Platinum
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