Primary studyCore evidenceTransport Physics

Application of two Cu(II)-azido based 1D coordination polymers in optoelectronic device: Structural characterization and experimental studies

Mondal M., Jana S., Drew M.G.B. et al. · Polymer · 2020 · 122815

2materials
4samples
4synthesis routes
16measurements
153results
5claims and caveats

Evidence map

Open a family to keep every result attached to its sample, method and conditions.

Author interpretations and caveats

Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.

Application RelevanceSupport assessment: Medium

The authors claim complex 2 is the superior SBD/optoelectronic material relative to complex 1; SI tables support a lower dark ideality factor and lower dielectric constant for complex 2, while other light-condition metrics are mixed.

Caveat: The main text and SI tables conflict on assignment of conductivity and ideality values to complexes 1 and 2; SI Table S1/S2 values were retained as direct table evidence.

p001; p008 · Abstract; 4 Conclusions · Linked to 5 structured results

CaveatSupport assessment: High

The main article prose and rendered SI Tables S1/S2 conflict on assignment of conductivity and ideality values between complexes 1 and 2; the extraction preserves the SI table assignments and records the conflict.

p003 · Supplementary data · Tables S1-S2 · Linked to 4 structured results

Phase AssignmentSupport assessment: High

Both materials are pristine one-dimensional Cu(II)-azido coordination-polymer chains, with complex 1 bridged by mu1,3-N3 and complex 2 bridged by alternating mu1,1-N3 and mu1,3-N3 azides.

Caveat: Full CIFs were not supplied; extraction relies on main article Table 1/text and rendered SI Tables S3/S4.

p003-p004 · 3.3 Description of the crystal structures · Fig. 1; Fig. 2 · Linked to 7 structured results

Structure Property LinkSupport assessment: High

The optical band gaps of 2.91 eV for complex 1 and 2.89 eV for complex 2 support semiconducting behaviour and potential device use.

Caveat: Band gaps come from UV-Vis/Tauc analysis; no independent electronic-structure calculation is reported.

p001; p005 · Abstract; 3.4 Optical study · Fig. 3 · Linked to 2 structured results

Transport MechanismSupport assessment: High

ITO/complex/Al thin-film devices made from both complexes show nonlinear rectifying I-V behaviour consistent with Schottky barrier diode characteristics.

Caveat: Main-text prose and SI tables disagree on complex-number assignments for several device parameters; SI tables were used for final tabulated values and the conflict is recorded in audit.

p005-p008 · 3.6 Electrical properties of devices; 4 Conclusions · Fig. 5-Fig. 8; Table S1-S2 referenced · Linked to 8 structured results

Material identities

Names and aliases are kept exactly within the paper’s own identity model.

MaterialCompositionStructure contextSource
[Cu(L1)(mu1,3-N3)]n (complex 1)C11H16CuN6O3; polymer formula [Cu(L1)(mu1,3-N3)]nCu(II) centres in distorted pentacoordinated square-pyramidal geometry · L1 = deprotonated 2-[(2-dimethylamino-ethylamino)-methyl]-4-nitrophenol; azide bridge1D · PristineMonoclinic P21/c; 1D polymeric chain formed through mu1,3-N3 azide bridges from asymmetric [(CuL1)(mu1,3-N3)] units.p001-p003 · Abstract; 3.1 Syntheses of the complexes; 3.3 Description of the crystal structures · Scheme 1; Fig. 1; Table 1
[Cu2(L2)2(mu1,1-N3)(mu1,3-N3)]n (complex 2)C26H40Cu2N12O6; polymer formula [Cu2(L2)2(mu1,1-N3)(mu1,3-N3)]nTwo crystallographically distinct Cu(II) centres, both pentacoordinated with distorted square-pyramidal geometry · L2 = deprotonated 2-[(2-diethylamino-ethylamino)-methyl]-4-nitrophenol; mu1,1- and mu1,3-azide bridges1D · PristineMonoclinic P21; 1D polymeric chain with alternating mu1,3-N3 and mu1,1-N3 bridges; M-type helical structure reported.p001-p004 · Abstract; 3.1 Syntheses of the complexes; 3.3 Description of the crystal structures · Scheme 1; Fig. 2; Table 1

Sample register

Sample form, processing state and composition status define the context for measurements.

Show 4 sample records
SampleForm and roleProcessing and geometrySource
complex 1 reddish coloured needle crystalsresearch_0286__mat__mat_cu_l1_azido_1Single Crystal · Target Sample · Pristine FrameworkReddish coloured needles obtained by slow evaporation of the filtered methanol/water reaction solution kept in open air.p002 · 2.3 Syntheses of the complexes · Table 1
ITO/complex 1/Al thin-film Schottky deviceresearch_0286__mat__mat_cu_l1_azido_1Thin Film · Target Sample · Pristine FrameworkAbout 3-4 mg complex dispersed in DMF at 1:4 ratio, ultrasonicated 1 h, dropped on cleaned ITO, spun at 600 rpm then 1200 rpm for 3 and 5 min, dried under inert atmosphere and stored in a desiccator.ITO coated glass bottom contact; Al top contact · about 1 ump002-p003 · 2.6 Thin film fabrication from the precursor complexes · Fig. 5
complex 2 crystalline productresearch_0286__mat__mat_cu_l2_azido_2Single Crystal · Target Sample · Pristine FrameworkSynthesised by the same methanol/water reflux and slow-evaporation procedure as complex 1, replacing HL1 with HL2.p002 · 2.3 Syntheses of the complexes · Table 1
ITO/complex 2/Al thin-film Schottky deviceresearch_0286__mat__mat_cu_l2_azido_2Thin Film · Target Sample · Pristine FrameworkAbout 3-4 mg complex dispersed in DMF at 1:4 ratio, ultrasonicated 1 h, dropped on cleaned ITO, spun at 600 rpm then 1200 rpm for 3 and 5 min, dried under inert atmosphere and stored in a desiccator.ITO coated glass bottom contact; Al top contact · about 1 ump002-p003 · 2.6 Thin film fabrication from the precursor complexes · Fig. 5