Iwasawa Y - Search Results

1

Sulfur poisoning of Pt and PtCo anode and cathode catalysts in polymer electrolyte fuel cells studied by operando near ambient pressure hard X-ray photoelectron spectroscopy.

Chaveanghong S , Nakamura T , Takagi Y , Cagnon B , Uruga T , Tada M , Iwasawa Y , Yokoyama T . Chaveanghong S , et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2021 Feb 14;23(6):3866-3873. doi: 10.1039/d0cp06020h. Epub 2021 Feb 4. Phys Chem Chem Phys. 2021. PMID: 33538733

2

In situ study of oxidation states of platinum nanoparticles on a polymer electrolyte fuel cell electrode by near ambient pressure hard X-ray photoelectron spectroscopy.

Takagi Y, Wang H, Uemura Y, Nakamura T, Yu L, Sekizawa O, Uruga T, Tada M, Samjeské G, Iwasawa Y, Yokoyama T. Takagi Y, et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2017 Feb 22;19(8):6013-6021. doi: 10.1039/c6cp06634h. Phys Chem Chem Phys. 2017. PMID: 28184398

3

Ambient Pressure Hard X-ray Photoelectron Spectroscopy for Functional Material Systems as Fuel Cells under Working Conditions.

Takagi Y, Uruga T, Tada M, Iwasawa Y, Yokoyama T. Takagi Y, et al. Among authors: iwasawa y. Acc Chem Res. 2018 Mar 20;51(3):719-727. doi: 10.1021/acs.accounts.7b00563. Epub 2018 Mar 6. Acc Chem Res. 2018. PMID: 29509021

4

Non-contact electric potential measurements of electrode components in an operating polymer electrolyte fuel cell by near ambient pressure XPS.

Yu L, Takagi Y, Nakamura T, Sekizawa O, Sakata T, Uruga T, Tada M, Iwasawa Y, Samjeské G, Yokoyama T. Yu L, et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2017 Nov 22;19(45):30798-30803. doi: 10.1039/c7cp05436j. Phys Chem Chem Phys. 2017. PMID: 29134220

5

Feed gas exchange (startup/shutdown) effects on Pt/C cathode electrocatalysis and surface Pt-oxide behavior in polymer electrolyte fuel cells as revealed using in situ real-time XAFS and high-resolution STEM measurements.

Samjeské G , Kaneko T , Gunji T , Higashi K , Uruga T , Tada M , Iwasawa Y . Samjeské G , et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2020 May 7;22(17):9424-9437. doi: 10.1039/c9cp06895c. Epub 2020 Apr 21. Phys Chem Chem Phys. 2020. PMID: 32314748

6

In situ time-resolved DXAFS for the determination of kinetics of structural changes of H-ZSM-5-supported active Re-cluster catalyst in the direct phenol synthesis from benzene and O2.

Tada M, Uemura Y, Bal R, Inada Y, Nomura M, Iwasawa Y. Tada M, et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2010 Jun 7;12(21):5701-6. doi: 10.1039/c000843p. Epub 2010 Apr 6. Phys Chem Chem Phys. 2010. PMID: 20369216

7

μ-XAFS of a single particle of a practical NiO(x)/Ce2Zr2O(y) catalyst.

Tada M, Ishiguro N, Uruga T, Tanida H, Terada Y, Nagamatsu S, Iwasawa Y, Ohkoshi S. Tada M, et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2011 Sep 7;13(33):14910-3. doi: 10.1039/c1cp20895k. Epub 2011 Jun 8. Phys Chem Chem Phys. 2011. PMID: 21655569

8

Performance and characterization of a Pt-Sn(oxidized)/C cathode catalyst with a SnO2-decorated Pt3Sn nanostructure for oxygen reduction reaction in a polymer electrolyte fuel cell.

Samjeské G, Nagamatsu S, Takao S, Nagasawa K, Imaizumi Y, Sekizawa O, Yamamoto T, Uemura Y, Uruga T, Iwasawa Y. Samjeské G, et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2013 Oct 28;15(40):17208-18. doi: 10.1039/c3cp52323c. Phys Chem Chem Phys. 2013. PMID: 24013494

9

Performance and durability of Pt/C cathode catalysts with different kinds of carbons for polymer electrolyte fuel cells characterized by electrochemical and in situ XAFS techniques.

Nagasawa K, Takao S, Higashi K, Nagamatsu S, Samjeské G, Imaizumi Y, Sekizawa O, Yamamoto T, Uruga T, Iwasawa Y. Nagasawa K, et al. Among authors: iwasawa y. Phys Chem Chem Phys. 2014 Jun 7;16(21):10075-87. doi: 10.1039/c3cp54457e. Epub 2014 Feb 11. Phys Chem Chem Phys. 2014. PMID: 24513596

10

SPring-8 BL36XU: Synchrotron Radiation X-Ray-Based Multi-Analytical Beamline for Polymer Electrolyte Fuel Cells under Operating Conditions.

Uruga T, Tada M, Sekizawa O, Takagi Y, Yokoyama T, Iwasawa Y. Uruga T, et al. Among authors: iwasawa y. Chem Rec. 2019 Jul;19(7):1444-1456. doi: 10.1002/tcr.201800193. Epub 2019 Mar 25. Chem Rec. 2019. PMID: 30908882 Review.

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