Spectroscopy — Ferrocene-functionalized Ni(II)-based metal-organic framework as electrochemical sensing interface for ratiometric analysis of Cu2+, Pb2+ and Cd2+

4 measurement groups · 16 results

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

Fc-NH2-Ni-MOF powder · Powder

EDS elemental maps of Fc-NH2-Ni-MOF in Fig. S1.

Context: Fc-functionalised target MOF powder
Measurement source: SI rendered text · EDS elemental maps of the Fc-NH2-Ni-MOF · Fig. S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fe detected in Fc-NH2-Ni-MOF by EDS mapping	elemental mapping proves presence of Fe in Fc-NH2-Ni-MOF	—	—	Text Qualitative	p003 · 3.1. Material characterization · Fig. S1

Fc-Ni powder · Powder

FT-IR spectra of Fc-COOH and Fc-Ni used to assess Fc-COOH/Ni2+ coordination.

Context: Fc-Ni control compared with Fc-COOH and target MOF
Measurement source: SI rendered text · FT-IR spectra of the Fc-COOH and Fc-Ni · Fig. S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fc-COOH C=O stretching peak	1658 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. S2
Fc-Ni C=O peak after Ni2+ introduction	shift from 1658 cm-1 to 1636 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. S2

Fc-NH2-Ni-MOF powder · Powder

FT-IR spectra of NH2-Ni-MOF and Fc-NH2-Ni-MOF in Fig. 2.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fc-NH2-Ni-MOF non-coordinated carboxylic acid peak	1737 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 2
Fc-NH2-Ni-MOF non-coordinated carboxylic acid peak	1764 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 2
NH2-Ni-MOF O-Ni-O vibration peak	451 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 2
NH2-Ni-MOF O-Ni-O vibration peak	534 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 2
NH2-Ni-MOF O-Ni-O vibration peak	670 cm-1	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 2

Fc-NH2-Ni-MOF powder · Powder

Thermo ESCALAB XI+ XPS full and high-resolution C 1s, N 1s, O 1s, Ni 2p and Fe 2p spectra.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fe 2p1/2 binding energy in Fc-NH2-Ni-MOF	721.17 eV	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 3b
Fe 2p3/2 binding energy in Fc-NH2-Ni-MOF	708.41 eV	—	—	Text Exact Reported	p003 · 3.1. Material characterization · Fig. 3b
Fe 2p satellite peak	714.21 eV	—	—	Text Exact Reported	p004 · 3.1. Material characterization · Fig. 3b
Fe 2p peak separation	12.76 eV	—	—	Text Exact Reported	p004 · 3.1. Material characterization · Fig. 3b
NH2-Ni-MOF Ni 2p3/2 binding energy	855.80 eV	—	—	Text Exact Reported	p004 · 3.1. Material characterization · Fig. 3d
NH2-Ni-MOF Ni 2p1/2 binding energy	873.40 eV	—	—	Text Exact Reported	p004 · 3.1. Material characterization · Fig. 3d
NH2-Ni-MOF O 1s metal-oxygen peak	531.68 eV	—	—	Text Exact Reported	p004 · 3.1. Material characterization · Fig. 3c
O 1s metal-oxygen peak shift after Fc-COOH introduction	moves 0.22 eV towards higher binding energy	—	—	Text Exact Reported	p004 · 3.1. Material characterization · Fig. 3c