Spectroscopy — Structure-directing effect of terephthalate in bridging Zn(ii)- and Cd(ii)-based coordination polymers towards application in the detection of trace quantities of Pd2+ in aqueous media and their electrical conductivities

6 measurement groups · 20 results

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

[CP1 + Pd2+] · Powder

Lifetime recorded before and after Pd2+ addition; decay profile mono-exponential.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
fluorescence lifetime after Pd2+	2.34 ns	—	—	Text Exact Reported	5 · Sensing studies · Fig. S21
fluorescence lifetime before Pd2+	1.90 ns	—	—	Text Exact Reported	5 · Sensing studies · Fig. S21

CP1 as-synthesised block-shaped yellow crystals · Single Crystal

DMF suspension; excitation at 285 nm for CP1; emission and absorption spectra used for sensing and band assignments.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
absorption maximum	285 nm	—	—	Text Exact Reported	4 · Sensing studies · Fig. S10
absorption shoulder	320 nm	—	—	Text Exact Reported	4 · Sensing studies · Fig. S10
emission transition	380 nm	—	—	Text Exact Reported	4 · Sensing studies · Fig. 3

[CP1 + Pd2+] · Powder

XPS survey/high-resolution C 1s/N 1s/Pd 3d and EDS atomic percent for CP1 and [CP1+Pd2+].

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CP1 C(sp3) binding-energy shift after Pd2+	283.83 to 284.32 eV; shift 0.49 eV	—	—	Text Exact Reported	7 · XPS discussion · Fig. 6
CP1 imine-N N 1s binding-energy shift after Pd2+	399.0 to 399.26 eV, DeltaE ~0.26 eV	—	—	Text Approximate	7 · XPS discussion · Fig. 6
Pd 3d3/2 binding energy in [CP1+Pd2+]	343.14 eV	—	—	Text Exact Reported	9 · XPS discussion · Fig. 6
Pd 3d5/2 binding energy in [CP1+Pd2+]	337.80 eV	—	—	Text Exact Reported	9 · XPS discussion · Fig. 6
Pd atomic percent after Pd2+ exposure	0.50 atomic % Pd in [CP1+Pd2+]	—	—	SI Table Exact Reported	29 · EDS atomic percent · Table S9

[CP2 + Pd2+] · Powder

Lifetime recorded before and after Pd2+ addition; decay profile mono-exponential.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
fluorescence lifetime after Pd2+	2.09 ns	—	—	Text Exact Reported	5 · Sensing studies · Fig. S22
fluorescence lifetime before Pd2+	1.80 ns	—	—	Text Exact Reported	5 · Sensing studies · Fig. S22

CP2 as-synthesised yellow needle-like crystals · Single Crystal

DMF suspension; excitation at 278 nm for CP2; emission and absorption spectra used for sensing and band assignments.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
absorption maximum	278 nm	—	—	Text Exact Reported	4 · Sensing studies · Fig. S10
absorption shoulder	315 nm	—	—	Text Exact Reported	4 · Sensing studies · Fig. S10
emission transition	384 nm	—	—	Text Exact Reported	4 · Sensing studies · Fig. 4

[CP2 + Pd2+] · Powder

XPS survey/high-resolution C 1s/N 1s/Pd 3d and EDS atomic percent for CP2 and [CP2+Pd2+].

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CP2 imine C 1s binding-energy shift after Pd2+	285.98 to 286.46 eV; shift 0.48 eV	—	—	Table Exact Reported	9 · XPS discussion · Table 1
CP2 imine N 1s binding-energy shift after Pd2+	398.95 to 399.39 eV; shift 0.44 eV	—	—	Table Exact Reported	9 · XPS discussion · Table 1
Pd 3d3/2 binding energy in [CP2+Pd2+]	342.86 eV	—	—	Text Exact Reported	9 · XPS discussion · Fig. 7
Pd 3d5/2 binding energy in [CP2+Pd2+]	337.65 eV	—	—	Text Exact Reported	9 · XPS discussion · Fig. 7
Pd atomic percent after Pd2+ exposure	0.55 atomic % Pd in [CP2+Pd2+]	—	—	SI Table Exact Reported	29 · EDS atomic percent · Table S9