NIST X-ray Photoelectron Spectroscopy Database

NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0

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N

H^-(N(H)C(H)(C(H)₂C(H)((CH₃)₂)C(O))n^-OH

poly(L-leucine)

CAS Registry No:

25322-63-8

amine

Photoelectron Line

Line Designation:

1s

Binding Energy (eV):

399.70

Energy Uncertainty:

Background Subtraction Method:

Shirley

Peak Location Method:

mixed Gaussian/Lorentzian

Full Width at Half-maximum Intensity (eV):

1.69

Gaussian Width (eV):

Lorentzian Width (eV):

Use of X-ray Monochromator:

Yes

Anode Material:

Al

X-ray Energy:

Overall Energy Resolution (eV):

Calibration:

Au,Cu = 84.00,932.67

Charge Reference:

Internal hydrocarbon

Energy Scale Evaluation:

Reliable (reported energy within 300 eV of a reference energy)

Comment:

The composition determined by XPS was C0.75O0.13N0.12. FAT mode. Emission angle = 55 degrees. The intensity ratio of the Gaussian/Lorentzian components was 85/15. An electron flood gun (Ep = 6 eV, Ip = 55 microamperes) and a Ni mesh were used for charge compensation. The sample powder was pressed into In foil.

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