Spectroscopy — Pd-Embedded Ti Metal–Organic Framework Nanostructures for Photocatalytic Reductive N-Formylation of Nitroarenes in Water

10 measurement groups · 37 results

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

Microwave plasma-atomic emission spectroscopy (MP-AES)

Bulk elemental and compositional analysis

Pd1.5%/Ti-MOF · Powder

Pd content by microwave plasma-atomic emission spectroscopy (MP-AES) for nominal Pd1.5%/Ti-MOF.

Context: Pd/Ti-MOF composition verification
Measurement source: SI text pS1 · EXPERIMENTAL; Synthesis of Ti-MOF & Pd/Ti-MOF

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd1.5%/Ti-MOF measured Pd contentMarked as a best value within this paper	1.41 wt %	—	—	Text Exact Reported	SI text pS1 · EXPERIMENTAL; Synthesis of Ti-MOF & Pd/Ti-MOF

Microwave plasma-atomic emission spectroscopy (MP-AES)

Bulk elemental and compositional analysis

Pd1%/Ti-MOF · Powder

Pd content by microwave plasma-atomic emission spectroscopy (MP-AES) for nominal Pd1%/Ti-MOF.

Context: Pd/Ti-MOF composition verification
Measurement source: SI text pS1 · EXPERIMENTAL; Synthesis of Ti-MOF & Pd/Ti-MOF

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd1%/Ti-MOF measured Pd content	0.94 wt %	—	—	Text Exact Reported	SI text pS1 · EXPERIMENTAL; Synthesis of Ti-MOF & Pd/Ti-MOF

Microwave plasma-atomic emission spectroscopy (MP-AES)

Bulk elemental and compositional analysis

Pd2%/Ti-MOF · Powder

Pd content by microwave plasma-atomic emission spectroscopy (MP-AES) for nominal Pd2%/Ti-MOF.

Context: Pd/Ti-MOF composition verification
Measurement source: SI text pS1 · EXPERIMENTAL; Synthesis of Ti-MOF & Pd/Ti-MOF

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd2%/Ti-MOF measured Pd content	1.89 wt %	—	—	Text Exact Reported	SI text pS1 · EXPERIMENTAL; Synthesis of Ti-MOF & Pd/Ti-MOF

Photoluminescence spectroscopy

Photoluminescence and fluorescence spectroscopy

Pd1.5%/Ti-MOF · Powder

PL at excitation wavelength 300 nm.

Context: target composite compared with pristine Ti-MOF
Measurement source: p006 / article p469 · Optoelectronic Properties · Figure 5b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd1.5%/Ti-MOF PL peak intensity near 468 nm	approximately 200 a.u. from Figure 5b	—	—	Figure Axis Approximate	p005-p006 / article pp468-469 · Optoelectronic Properties · Figure 5b

Photoluminescence spectroscopy

Photoluminescence and fluorescence spectroscopy

Ti-MOF · Powder

PL at excitation wavelength 300 nm.

Context: pristine control
Measurement source: p006 / article p469 · Optoelectronic Properties · Figure 5b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ti-MOF PL peak intensity at around 468 nmMarked as a best value within this paper	approximately 280 a.u. from Figure 5b	—	—	Figure Axis Approximate	p005 / article p468 · Optoelectronic Properties · Figure 5b
Ti-MOF PL emission peak	468 nm	—	—	Text Exact Reported	p006 / article p469 · Optoelectronic Properties · Figure 5b

Time-correlated single-photon counting (TCSPC)

Photoluminescence and fluorescence spectroscopy

Pd1.5%/Ti-MOF · Powder

TCSPC excited-state lifetime decay recorded on Horiba Delta flex-01; samples excited using a 368 nm laser before analysis.

Context: target composite compared with pristine Ti-MOF
Measurement source: p004 / SI pS4 · Table S2; Catalyst characterization methods · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd1.5%/Ti-MOF PL-decay A1	0.20	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Pd1.5%/Ti-MOF PL-decay A2	0.80	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Pd1.5%/Ti-MOF PL-decay fitting chi-squareMarked as a best value within this paper	1.06	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Pd1.5%/Ti-MOF average excited-electron lifetimeMarked as a best value within this paper	10.74 ns	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Pd1.5%/Ti-MOF PL-decay T1Marked as a best value within this paper	1.39 ns	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Pd1.5%/Ti-MOF PL-decay T2	13.07 ns	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Ti-MOF PL-decay A1	0.12	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Ti-MOF PL-decay A2	0.88	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Ti-MOF PL-decay fitting chi-square	1.12	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Ti-MOF average excited-electron lifetime	12.62 ns	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Ti-MOF PL-decay T1	6.6 ns	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2
Ti-MOF PL-decay T2	13.4 ns	—	—	SI Table Exact Reported	p004 / SI pS4 · Table S2 · Table S2

Diffuse reflectance UV-visible spectroscopy and Tauc analysis

UV-visible and optical absorption spectroscopy

Pd1.5%/Ti-MOF · Powder

DR UV-vis spectrum with absorption edge and Tauc bandgap reported in main text and shown in rendered SI Figure S5.

Context: target composite
Measurement source: p005-p006 / article pp468-469 · Optoelectronic Properties · Figure 5a; Figure S5 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd1.5%/Ti-MOF bandgap energyMarked as a best value within this paper	2.3 eV	—	—	Text Rounded Reported	p006 / article p469 · Optoelectronic Properties · Figure S5 referenced
Pd1.5%/Ti-MOF light absorption edgeMarked as a best value within this paper	about 533 nm	—	—	Text Approximate	p006 / article p469 · Optoelectronic Properties · Figure 5a; Figure S5 referenced

Diffuse reflectance UV-visible spectroscopy and Tauc analysis

UV-visible and optical absorption spectroscopy

Ti-MOF · Powder

DR UV-vis spectrum with absorption edge and Tauc bandgap reported in main text and shown in rendered SI Figure S5.

Context: pristine control
Measurement source: p005-p006 / article pp468-469 · Optoelectronic Properties · Figure 5a; Figure S5 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ti-MOF bandgap energy	2.5 eV	—	—	Text Rounded Reported	p006 / article p469 · Optoelectronic Properties · Figure S5 referenced
Ti-MOF light absorption edge	about 496 nm	—	—	Text Approximate	p006 / article p469 · Optoelectronic Properties · Figure 5a; Figure S5 referenced

High-resolution X-ray photoelectron spectroscopy (XPS)

X-ray photoelectron spectroscopy

Pd1.5%/Ti-MOF · Powder

Ti 2p, N 1s, O 1s, and Pd 3d high-resolution XPS after Pd incorporation.

Context: target composite
Measurement source: p004-p005 / article pp467-468 · Physicochemical Characterization · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pd(0) 3d3/2 binding energy	340.4 eV	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4d
Pd(0) 3d5/2 binding energy	335.1 eV	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4d
Pd(0)/Pd(+2) deconvoluted area ratio	5.1	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4d
Pd1.5%/Ti-MOF N-C N 1s binding energy	399.5 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4b
Pd1.5%/Ti-MOF -N-H+ N 1s binding energy	403 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4b
Pd1.5%/Ti-MOF Ti 2p1/2 binding energy	464.5 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4a
Pd1.5%/Ti-MOF Ti 2p3/2 binding energy	458.7 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4a
Pd(+2) 3d3/2 binding energy	342.3 eV	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4d
Pd(+2) 3d5/2 binding energy	336.9 eV	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4d

High-resolution X-ray photoelectron spectroscopy (XPS)

X-ray photoelectron spectroscopy

Ti-MOF · Powder

Ti 2p, N 1s, and O 1s high-resolution XPS for Ti-MOF.

Context: pristine control
Measurement source: p004-p005 / article pp467-468 · Physicochemical Characterization · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ti-MOF N-C N 1s binding energy	399.4 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4b
Ti-MOF -N-H+ N 1s binding energy	402.8 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4b
Ti-MOF O=C O 1s binding energy	531.9 eV	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4c
Ti-MOF O-Ti O 1s binding energy	530.3 eV	—	—	Text Exact Reported	p005 / article p468 · Physicochemical Characterization · Figure 4c
Ti-MOF Ti 2p1/2 binding energy	464.7 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4a
Ti-MOF Ti 2p3/2 binding energy	459 eV	—	—	Text Exact Reported	p004 / article p467 · Physicochemical Characterization · Figure 4a