Table 1 Physicochemical properties of SBA-15, PtAS and PtCS samples.

From: Modification of as Synthesized SBA-15 with Pt nanoparticles: Nanoconfinement Effects Give a Boost for Hydrogen Storage at Room Temperature

Sample

SBET (m2·g−1)

V p (cm3·g−1)

D p (nm)

a0 a (nm)

dPt b (nm)

SBA-15

710

1.227

9.2

12.4

—

0.5PtAS

738

1.222

9.2

12.4

1.6

1.0PtAS

751

1.244

9.2

12.4

2.1

3.0PtAS

739

1.233

9.2

12.4

3.1

5.0PtAS

728

1.217

8.9

12.7

3.7

10.0PtAS

743

0.836

6.8

12.7

3.7

5.0PtCS

595

0.847

8.2

11.9

7.7

  1. aUnit cell constant calculated according to a0 = 2 × 3−1/2 × d100.
  2. bPt crystallite size calculated by the Scherrer formula.
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