<trans-title xml:lang="en"><i>In-situ</i> Loaded Pt-Co High Index Facets Catalysts: Preparation and Electrocatalytic Performance </trans-title>

Yishuai YAO; Ruihua GUO; Shengli AN; Jieyu ZHANG; Kuochih CHOU; Guofang ZHANG; Yarong HUANG; Gaofei PAN

doi:10.15541/jim20220298

Journal of Inorganic Materials, Volume. 38, Issue 1, 71(2023)

In-situ Loaded Pt-Co High Index Facets Catalysts: Preparation and Electrocatalytic Performance

Yishuai YAO1...2,3, Ruihua GUO1,2,3,*, Shengli AN1,2,3, Jieyu ZHANG4, Kuochih CHOU4, Guofang ZHANG1, Yarong HUANG1 and Gaofei PAN1 |Show fewer author(s)

Author Affiliations

¹1. School of Material and Metallurgy, Inner Mongolia University of Science & Technology, Baotou 014010, China

²2. Inner Mongolia Key Laboratory of Advanced Ceramic Materials and Devices, Inner Mongolia University of Science & Technology, Baotou 014010, China

³3. Key Laboratory of Green Extraction & Efficient Utilization of Light Rare-Earth Resources, Ministry of Education, Inner Mongolia University of Science & Technology, Baotou 014010, China

⁴4. College of Materials Science and Engineering, Shanghai University, Shanghai 200072, China

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Figures & Tables(9)

1. XRD patterns of catalysts

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2. Surface morphologies of Pt₁Co_1/3/C high-index crystalline nanocatalyst

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3. Pt4f XPS spectra of (a) Pt/C and (b) Pt₁Co_1/3/C

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4. Electrocatalytic performance of catalysts

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5. Stability and anti-poisoning performance of catalysts

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S1. TEM, HRTEM images and histograms of particle size distributions for Pt₁Co_x/C high index crystalline nanocatalysts

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S2. TEM images and histograms of particle size distributions of Pt₁Co_1/3/C high index crystalline catalysts at different holding time (a1, a2) 1 h; (b1, b2) 3 h; (c1, c2) 5h; (d1, d2) 7 h; (e1, e2) 9 h; (f1, f2) 10 h

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Table 1. Pt₁Co_x/C high index crystalline surface catalyst depression angle vs. exposed crystal surface

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Table 1. Pt₁Co_x/C high index crystalline surface catalyst depression angle vs. exposed crystal surface

Catalyst	Angle of depression/(°)	Exposure of crystalline surfaces
Pt/C	8.1, 6.5, 5.9, 10.2, 9.3, 7.8, 7.1, 7.4	(610), (710), (810)
Pt₁Co_1/4/C	9.7, 9.6, 8.4, 10.7, 11.8, 11.7, 11.9, 13.3	(410), (510), (610), (710)
Pt₁Co_1/3/C	14.4, 11.3, 10.6, 12.7, 10.1, 14.6, 11.9, 11.2	(410), (510), (610)
Pt₁Co_1/2/C	10.0, 14.7, 10.5, 13.9, 13.4, 12.1, 14.1, 14.0	(410), (510), (610)
Pt₁Co₁/C	9.4, 10.1, 9.6, 10.3, 7.3, 14.1, 14.2, 9.7	(410), (610), (810)

Table 1. XPS fitting results for Pt/C and Pt₁Co_1/3/C catalysts
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Table 1. XPS fitting results for Pt/C and Pt₁Co_1/3/C catalysts
Catalyst Pt(0)/eV Relative ratio/% Pt(II)/eV Relative ratio/%
Pt/C 70.30,73.60 52.67 70.95,74.45 47.33
Pt₁Co_1/3/C 70.15,73.55 53.04 70.85,74.35 46.96

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Yishuai YAO, Ruihua GUO, Shengli AN, Jieyu ZHANG, Kuochih CHOU, Guofang ZHANG, Yarong HUANG, Gaofei PAN. In-situ Loaded Pt-Co High Index Facets Catalysts: Preparation and Electrocatalytic Performance [J]. Journal of Inorganic Materials, 2023, 38(1): 71

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