2016
DOI: 10.1021/acssuschemeng.6b00444
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Hollow Platinum Nanospheres and Nanotubes Templated by Shear Flow-Induced Lipid Vesicles and Tubules and Their Applications on Hydrogen Evolution

Abstract: Shear rate was utilized for synthesis of 1,2-bis(10, 12-tricosadiynoyl)-sn-glycero-3phosphocholine (DC 8,9 PC) vesicles and tubules in a microfluidic device. Lipid vesicles and tubules as templates were exploited to fabricate hollow platinum nanospheres and nanotubes, respectively, for the first time in a mild manner. The Pt nanosphere is ~190 nm in diameter with wall thickness of ~32 nm. The Pt nanotube is ~ 280 nm in diameter, ~ 30 µm in length with wall thickness of ~15 nm. The Pt nanospheres and nanotubes … Show more

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Cited by 22 publications
(11 citation statements)
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“…In this paper, we report on the HER properties of two non-PGM thiomolybdate catalysts that could be used in acidic media at the cathode of PEM water electrolysis cells in place of platinum (2H + + 2e À -H 2 ). [12][13][14][15][16][17][18][19][20][21][22] The HER is of course only half of the problem since a similar cost problem is found on the anode side for the OER. However, it is a much more challenging task to find non-PGM alternatives to IrO 2 and the discussion reported here is restricted to the HER on the cathode side of the cell.…”
Section: Introductionmentioning
confidence: 99%
“…In this paper, we report on the HER properties of two non-PGM thiomolybdate catalysts that could be used in acidic media at the cathode of PEM water electrolysis cells in place of platinum (2H + + 2e À -H 2 ). [12][13][14][15][16][17][18][19][20][21][22] The HER is of course only half of the problem since a similar cost problem is found on the anode side for the OER. However, it is a much more challenging task to find non-PGM alternatives to IrO 2 and the discussion reported here is restricted to the HER on the cathode side of the cell.…”
Section: Introductionmentioning
confidence: 99%
“…Hydrogen production through electrochemical water splitting is of great importance for hydrogen energy-based applications. Since Pt is still the optimal choice for HER catalysis, 31 the electrochemical HER performance of the synthesized Pt@DNHC catalyst was finally evaluated in 0.5 mol L −1 H 2 SO 4 with a scan rate of 5 mV s −1 . For comparison, the electrochemical properties of commercial Pt/C catalysts (20 wt% of Pt) were also investigated.…”
Section: Resultsmentioning
confidence: 99%
“…In order to obtain spherical hollow metal microspheres, chemical deposition method was applied to plate a layer of platinum on the surface of RBC membranes. The potassium tetrachloroplatinate (II) was reduced by formic acid to form platinum layer on the ghost surface . The reduction time is closely related to the concentration of the PBS solution as shown in Figure S3.…”
Section: Methodsmentioning
confidence: 99%