Spectroscopy — Synthesis and Characterization of Schiff Base Polymers via Metal Coordination and Its Application in Infrared Stealth Coating

Measurement evidence

Spectroscopy

Synthesis and Characterization of Schiff Base Polymers via Metal Coordination and Its Application in Infrared Stealth Coating · Li X., Zong L., Li W. et al. · Polymers · 2022 · 4563

4 measurement groups · 18 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

FTIR, XPS, ICP, UV-Vis absorption

D230-PyAL-Cu coating · Thin Film

FTIR/XPS used to evaluate coordination; ICP determined Cu content; UV-Vis used to determine optical band gap

Context
Cu-coordinated polymer coating
Measurement source
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR imine bond after coordination1646 cm^-1Text
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2a
optical band gap3.40 eVTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
Cu2+ coordination content by ICPMarked as a best value within this paperalmost 3.8%0.038 fractionText
Approximate
5 · 3.1. Synthesis of Polymers and Coordination Polymers
UV-Vis onset absorption365 nmTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
Cu 2p3/2 binding energy after coordination931.9 eVText
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2d

1H NMR, FTIR, XPS, UV-Vis absorption

D230-PyAL coating/polymer · Thin Film

1H NMR in CDCl3 at 300 K; UV-Vis used to determine optical band gap; FTIR/XPS used for structure assignment

Temperature
300 for 1H NMR
Context
pristine parent polymer
Measurement source
2 · 2.2. Measurements
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR imine bond stretching vibration1647 cm^-1Text
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2a
optical band gap3.45 eVTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
UV-Vis onset absorption359 nmTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1

FTIR, XPS, ICP, UV-Vis absorption

D230-PyAL-Ni coating · Thin Film

FTIR/XPS used to evaluate coordination; ICP determined Ni content; UV-Vis used to determine optical band gap

Context
Ni-coordinated polymer coating
Measurement source
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR imine bond after coordination1652 cm^-1Text
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2a
optical band gap3.32 eVTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
Ni2+ coordination content by ICPat least 1.2%0.012 fractionText
Approximate
5 · 3.1. Synthesis of Polymers and Coordination Polymers
UV-Vis onset absorption374 nmTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
Ni 2p3/2 binding energy after coordination854.7 eVText
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2c

FTIR, XPS, ICP, UV-Vis absorption

D230-PyAL-Sm coating · Thin Film

FTIR/XPS used to evaluate coordination; ICP determined Sm content; UV-Vis used to determine optical band gap

Context
Sm-coordinated polymer coating
Measurement source
6 · 3.2. UV-Vis Absorption Spectroscopic Analysis · Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR imine bond after coordination1645 cm^-1Text
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2a
optical band gapMarked as a best value within this paper2.99 eVTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
Sm3+ coordination content by ICPalmost 3.6%0.036 fractionText
Approximate
5 · 3.1. Synthesis of Polymers and Coordination Polymers
UV-Vis onset absorptionMarked as a best value within this paper414 nmTable
Exact Reported
6 · 3.2. UV-Vis Absorption · Table 1
Sm 3d5/2 binding energy after coordination1082.2 eVText
Exact Reported
4 · 3.1. Synthesis of Polymers and Coordination Polymers · Figure 2e