Spectroscopy — Synthesis and characterization of a novel kind soluble, conjugated, and fluorescent chelate polymer containing fluorene ring in the backbone: Optical, electrical, and electrochemical properties

5 measurement groups · 12 results

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

iodine-doped poly(3,4-HBA-Cr-FDA) film on ITO · Thin Film

ITO-glass polymer film before and after iodine doping; spectra shown for undoped, 1 h, 5 h, and 24 h doped films.

Geometry: ITO-supported thin film
Context: iodine-doped polymer film compared with undoped film
Measurement source: 16,20-21 · 2.5. Electrical properties; 3.4. Doping procedure and electrical conductivities · Fig. 8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
doping-induced B-band absorbance increase	B band at 364 nm increases after doping	—	—	Text Qualitative	21 · 3.4. Doping procedure and electrical conductivities · Fig. 8

poly(3,4-HBA-Cr-FDA) bulk chelate polymer · Powder

100 mg/L polymer solutions in methanol, water, DMF, and DMSO; excitation and emission spectra measured.

Geometry: solution spectroscopy
Context: pristine polymer in solution
Measurement source: 16,20-21 · 2.6. Fluorescence measurements; 3.5. Fluorescence spectra · Table 3; Fig. 9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
polymer fluorescence emission maximum in DMF	608 nm	—	—	Table Exact Reported	20-21 · 3.5. Fluorescence spectra · Table 3
polymer fluorescence emission maximum in DMSO	538 nm	—	—	Table Exact Reported	20-21 · 3.5. Fluorescence spectra · Table 3
polymer fluorescence emission maxima in methanol	619, 637 nm	—	—	Table Exact Reported	20-21 · 3.5. Fluorescence spectra · Table 3
polymer fluorescence emission maxima in water	617, 640 nm	—	—	Table Exact Reported	20-21 · 3.5. Fluorescence spectra · Table 3

poly(3,4-HBA-Cr-FDA) bulk chelate polymer · Powder

4000-550 cm^-1 ATR spectra; Table 1 compares MC-1, MC-2, and polymer.

Temperature: 298
Context: pristine polymer and model compounds
Measurement source: 16-17 · 2.3. Characterization techniques; 3.1. Solubility and structures · Fig. 1; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
polymer FT-IR M-O/Cr-O band	639 cm^-1	—	—	Table Exact Reported	16-17 · 3.1. Solubility and structures · Table 1
polymer FT-IR imine band	1605 cm^-1	—	—	Table Exact Reported	16-17 · 3.1. Solubility and structures · Table 1

poly(3,4-HBA-Cr-FDA) bulk chelate polymer · Powder

DMSO-d6 at 25 deg C; 1H at 400 MHz and 13C at 100.6 MHz; TMS internal standard.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
polymer 1H NMR imine peak	9.70 ppm	—	—	Text Exact Reported	17-18 · 3.1. Solubility and structures · Fig. 3

poly(3,4-HBA-Cr-FDA) bulk chelate polymer · Powder

Absorption spectra recorded in MeOH at 25 deg C; optical band gaps calculated from absorption edges.

Temperature: 298
Context: pristine polymer and model compounds
Measurement source: 16,19-20 · 2.4. Optical and electrochemical properties; 3.3. Optical and electrochemical properties · Fig. 6; Table 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MC-1 optical band gap	3.23 eV	—	—	Table Exact Reported	19-20 · 3.3. Optical and electrochemical properties · Table 2; Fig. 6
MC-2 optical band gap	2.67 eV	—	—	Table Exact Reported	19-20 · 3.3. Optical and electrochemical properties · Table 2; Fig. 6
polymer optical band gap	2.40 eV	—	—	Table Exact Reported	19-20 · 3.3. Optical and electrochemical properties · Table 2; Fig. 6
polymer UV-vis absorbance maxima	211, 258, 368, and 462 nm	—	—	Text Exact Reported	19 · 3.3. Optical and electrochemical properties · Fig. 6