Huang H.-R., Yang Z.-M., Zhou X.-C. et al. · Molecules · 2022 · 4052
Open a family to keep every result attached to its sample, method and conditions.
Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
All three Tb/Er/Gd Ln-m-TTFTB frameworks show similar redox activity with two reversible one-electron TTF-based processes at about 0.21 and 0.48 V vs Fc/Fc+.
Caveat: Potentials are reported as approximate around-values from text; peak positions for individual metals are not tabulated.
4-5 · 2.2 Cyclic Voltammetry · Figure 3; Figures S6-S7 · Linked to 7 structured results
Dy-m-TTFTB and Er-m-TTFTB show slow relaxation of magnetisation/low-temperature magnetic features, whereas Tb-m-TTFTB shows no chi'' ac signal.
Caveat: No out-of-phase peak above 1.8-2 K is observed up to 999 Hz, so energy barriers are not extracted.
7,9 · 2.4 Magnetic Properties; Conclusions · Figure 6; Figures S17-S18 · Linked to 3 structured results
The meta configuration of m-H4TTFTB leads the Ln-m-TTFTB frameworks to dense stacking and scarce/almost no porosity compared with porous Ln-TTFTB analogues.
Caveat: No first-hand gas adsorption isotherm or BET surface area is reported for the three new Tb/Er/Gd frameworks; porosity conclusion is structural/textual.
1,9 · Abstract; Conclusions · Figure S4 · Linked to 4 structured results
The lower conducting performance of Ln-m-TTFTB is attributed to lack of band formation or poor electron transfer, despite short TTF contacts and similar band gaps to the ligand.
Caveat: Mechanistic statement is interpretive; no mobility or band-structure measurement is provided.
6 · 2.3 Absorption Spectra and Semiconducting Properties · Linked to 6 structured results
The room-temperature single-crystal conductivities are about ten times the reported powder-state Ln-TTFTB series, attributed to lower contact resistance in single-crystal measurements.
Caveat: Comparator is literature/powder-state and geometry differs; attribution to contact resistance is the authors' interpretation.
6 · 2.3 Absorption Spectra and Semiconducting Properties · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Dy-m-TTFTB | [Dy2(m-TTFTB)(m-H2TTFTB)0.5(HCOO)(DMF)].2DMF.3H2ODy3+ lanthanide-carboxylate framework · m-TTFTB4- and m-H2TTFTB2- tetrathiafulvalene-tetrabenzoate ligands; formate; coordinated DMF | 3D · PristineLanthanide m-TTFTB framework prepared according to a reported method and measured here for magnetic properties. | 6-8 · 2.4 Magnetic Properties; 3.4 Synthesis of Dy-m-TTFTB · Figure 5; Figure 6 |
| Er-m-TTFTB | [Er2(m-TTFTB)(m-H2TTFTB)0.5(HCOO)(DMF)].2DMF.3H2O; empirical formula C61H53N3O20S6Er2Er3+ lanthanide-carboxylate chains · m-TTFTB4- and m-H2TTFTB2- tetrathiafulvalene-tetrabenzoate ligands; formate; coordinated DMF | 3D · PristineIsostructural triclinic P-1 dense three-dimensional framework. | 2-4 · 2.1 Crystal Structures · Table 1 |
| Gd-m-TTFTB | [Gd2(m-TTFTB)(m-H2TTFTB)0.5(HCOO)(DMF)].2DMF.3H2O; empirical formula C61H53N3O20S6Gd2Gd3+ lanthanide-carboxylate chains · m-TTFTB4- and m-H2TTFTB2- tetrathiafulvalene-tetrabenzoate ligands; formate; coordinated DMF | 3D · PristineIsostructural triclinic P-1 dense three-dimensional framework. | 2-4 · 2.1 Crystal Structures · Table 1 |
| m-H4TTFTB ligand | m-H4TTFTBnone · meta tetrathiafulvalene-tetrabenzoic acid ligand precursor | 0D · Model SystemMolecular ligand precursor and optical/electrical comparison material. | 2,5,8 · Scheme 1; 2.3 Absorption Spectra and Semiconducting Properties; 3.3 Synthesis of m-H4TTFTB · Scheme 1; Figure 4 |
| Tb-m-TTFTB | [Tb2(m-TTFTB)(m-H2TTFTB)0.5(HCOO)(DMF)].2DMF.3H2O; empirical formula C61H53N3O20S6Tb2Tb3+ lanthanide-carboxylate chains; two crystallographically independent Tb sites · m-TTFTB4- and m-H2TTFTB2- tetrathiafulvalene-tetrabenzoate ligands; formate; coordinated DMF | 3D · PristineIsostructural triclinic P-1 dense three-dimensional framework assembled from one-dimensional Tb-carboxylate chains linked by m-TTFTB ligands. | 2-3 · 2.1 Crystal Structures · Figure 1; Table 1 |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| Dy-m-TTFTB fresh polycrystalline sampleresearch_0527__mat__dy_m_tttfb | Powder · Target Sample · Pristine Framework | prepared according to reported method; fresh polycrystalline sample used for magnetic measurements | 6-8 · 2.4 Magnetic Properties; 3.4 Synthesis of Dy-m-TTFTB · Figure 5; Figure 6 |
| Er-m-TTFTB polycrystalline/powder sampleresearch_0527__mat__er_m_tttfb | Powder · Target Sample · Pristine Framework | powder paste for solid CV; fresh polycrystalline sample for magnetism; ground crystals for PXRD/FT-IR/TGAglassy carbon working electrode for CV paste measurements | 5,7,9 · 2.2 Cyclic Voltammetry; 3.8 Solid CV · Figure S6 |
| Er-m-TTFTB red rod-like/needle-like single crystalresearch_0527__mat__er_m_tttfb | Single Crystal · Target Sample · Pristine Framework | single crystal contacted with conductive carbon adhesive for two-probe electrical conductivity; red rod-like crystals filtered and washed0.004 cm crystal thickness in SI Table S2 | 6,8 · 3.6 Synthesis of Er-m-TTFTB; 3.10 Electrical Conductivity · Figure S10; Table S2 |
| Gd-m-TTFTB polycrystalline/powder sampleresearch_0527__mat__gd_m_tttfb | Powder · Target Sample · Pristine Framework | powder paste for solid CV; ground crystals for PXRD/FT-IR/TGA and magnetic susceptibility modellingglassy carbon working electrode for CV paste measurements | 5,7,9 · 2.2 Cyclic Voltammetry; 3.8 Solid CV · Figure S7 |
| Gd-m-TTFTB red rod-like/needle-like single crystalresearch_0527__mat__gd_m_tttfb | Single Crystal · Target Sample · Pristine Framework | single crystal contacted with conductive carbon adhesive for two-probe electrical conductivity; red rod-like crystals filtered and washed0.005 cm crystal thickness in SI Table S2 | 6,9 · 3.7 Synthesis of Gd-m-TTFTB; 3.10 Electrical Conductivity · Figure S11; Table S2 |
| m-H4TTFTB red solid/free ligand powderresearch_0527__mat__m_h4_tttfb_ligand | Powder · Model System · Model | ligand isolated as red solid after hydrolysis, acidification, centrifugation, water washing and vacuum drying | 14 · Figure S19 ligand synthesis · Figure S19 |
| Tb-m-TTFTB polycrystalline/powder sampleresearch_0527__mat__tb_m_tttfb | Powder · Target Sample · Pristine Framework | powder paste in ethanol mounted on glassy carbon for CV; fresh polycrystalline sample for magnetism; ground crystals for PXRD/FT-IR/TGAglassy carbon working electrode for CV paste measurements | 7,9 · 3.1 Materials and Methods; 3.8 Solid CV · Figure 3 |
| Tb-m-TTFTB red rod-like/needle-like single crystalresearch_0527__mat__tb_m_tttfb | Single Crystal · Target Sample · Pristine Framework | single crystal contacted with conductive carbon adhesive for two-probe electrical conductivity; red rod-like crystals filtered and washed0.006 cm crystal thickness in SI Table S2 | 6,8-9 · 3.5 Synthesis of Tb-m-TTFTB; 3.10 Electrical Conductivity · Figures S8-S9; Table S2 |