Table 1 NMR Parameters Derived from 11B NMR Results for Various Boron Species in B-TiO2−x.

From: Unravelling the Efficient Photocatalytic Activity of Boron-induced Ti3+ Species in the Surface Layer of TiO2

Site

δiso (ppm)

QCCb/PQa (MHz)

η

δMAS (ppm) F2

δMAS (ppm) F1

Content %

B1

2.6

0.46a

—

2.4

2.9

14.1

B2

4.0

0.29a

—

3.8

4.0

14.6

B3

7.9

0.71a

—

6.8

8.0

8.5

B4

16.3

2.02a

—

10.8

19.5

49.8

B5

16.3

2.23b

0.30

9.0

20.5

13.0

  1. aDerived from eq. S2.
  2. bExtracted by spectral fitting using the Dmfit program.
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