Table 2 Assignments of Binding Energies (eV) of Main XPS Regions.

From: Cellulose as an adhesion agent for the synthesis of lignin aerogel with strong mechanical performance, Sound-absorption and thermal Insulation

 

S-0

S-50

S-75

S-90

S-95

assignment

O 1s 1

532.9

533.0

532.8

533.1

532.8

C-O*-H and C-O*-C

O 1s 2

—

531.9

531.9

532.0

531.8

O* = C

C 1s 1

—

290.5

290.6

291.2

290.9

O-C* = O

C 1s 2

288.1

288.2

288.1

288.1

288.3

O-C*-O

C 1s 3

286.5

286.5

286.1

286.3

286.3/285.7

C*-O

C 1s 4

284.8

284.8

284.6

284.6

284.3

C*-C* or C*-H

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