Kung C.-W., Otake K., Buru C.T. et al. · Journal of the American Chemical Society · 2018 · 3871-3875
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.
The conductive NiCB@NU-1000 scaffold greatly improves electrochemical access to installed manganese oxide, giving 24.9% addressable Mn and 276 F/gMnO2 at 0.02 mA/cm2 versus 1.9% and 21 F/gMnO2 in Mn-AIM-NU-1000.
Caveat: Specific capacitance is normalised to installed MnO2; whole-electrode capacitance including scaffold is lower at 69 F/g.
3873 · results · Figure 4d and Table S3 · Linked to 4 structured results
Long-term electrochemical performance retention is limited by partial thin-film detachment and some Mn leaching, even though crystallinity is retained and NiCB leaching is minimal.
Caveat: The authors state that a better film deposition approach with improved adhesion is desirable.
S21 · S10 · Figure S12 · Linked to 3 structured results
NiCB guest units are located in the microporous triangular channels of NU-1000 rather than blocking the mesoporous hexagonal channels.
Caveat: Dicarbollide electron density was highly disordered in the single-crystal refinement.
3873 · conclusion · Figure 1 · Linked to 3 structured results
Installing NiCB in NU-1000 changes the framework from electrically insulating in the pristine control to a measurable conductive MOF with a reported thin-film conductivity of 2.7 x 10-7 S/cm.
Caveat: The EIS-derived conductivity has geometric/contact assumptions that can over- or under-estimate the true value.
S12 · S5 · Figure S4 · Linked to 5 structured results
Electrical conductivity in NiCB@NU-1000 is attributed to donor-acceptor charge transfer between pyrene-based linkers and NiCB, with NiCB acting like a p-type dopant rather than creating a distinct band.
Caveat: Mechanistic statement is inferential; the authors explicitly say they speculated that NiCB may behave as a p-type dopant.
3873 · results · Figures S6-S7 · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Mn-AIM-NiCB@NU-1000 | manganese oxide in NiCB@NU-1000Hexa-zirconium nodes with manganese oxide clusters installed by AIM · Pyrene-based TBAPy linkers | 3D · CompositeManganese oxide installed in the conductive NiCB@NU-1000 framework; mesoporosity retained. | 3873 · results · Figure 4 |
| Mn-AIM-NU-1000 | manganese oxide in NU-1000Hexa-zirconium nodes with manganese oxide clusters installed by AIM · Pyrene-based TBAPy linkers | 3D · CompositeManganese oxide installed in pristine NU-1000; crystallinity and morphology retained after AIM. | S4 · Installation of manganese oxide in NU-1000 and NiCB@NU-1000 · Figures S8-S10 |
| nickel(IV) bis(dicarbollide) | Ni(C2B9H11)2molecular Ni centre · dicarbollide ligands | 0D · Model SystemMolecular guest/control species. | 3871 · introduction |
| NiCB@NU-1000 | NU-1000 with guest Ni(C2B9H11)2Hexa-zirconium nodes · Pyrene-based TBAPy linkers | 3D · CompositeNiCB guest molecules are located in microporous triangular channels of NU-1000; crystallinity and rod-like morphology are preserved. | 3871 · abstract · Figure 1 |
| NU-1000 | Not specifiedHexa-zirconium nodes · Pyrene-based TBAPy linkers, 1,3,6,8-tetrakis(p-benzoic acid)pyrene-derived | 3D · PristineMesoporous zirconium-based MOF with one-dimensional mesoporous hexagonal channels and microporous triangular channels. | 3871 · introduction |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| spin-coated Mn-AIM-NiCB@NU-1000 thin filmresearch_0106__mat__mat_mn_aim_nicb_nu1000 | Thin Film · Target Sample · Composite | Mn-AIM-NiCB@NU-1000 powder spin-coated on FTO following a previous study for CV, charge-discharge, and long-term cycling.FTO conductive glass | 3873 · results · Figure 4 |
| spin-coated Mn-AIM-NU-1000 thin filmresearch_0106__mat__mat_mn_aim_nu1000 | Thin Film · Pristine Control · Composite | Mn-AIM-NU-1000 powder spin-coated on FTO following a previous study for CV and charge-discharge tests.FTO conductive glass | 3873 · results · Figure 4 |
| NiCB/IDEresearch_0106__mat__mat_nicb | Electrode · Model System · Model | NiCB dissolved in acetone at 10 mg/mL and drop-cast on a bare IDE.Pt interdigitated electrode, 180 pairs of fingers, 5-um gap | S5 · Preparation of electrodes · Figure 3 |
| NiCB@NU-1000/IDEresearch_0106__mat__mat_nicb_nu1000 | Electrode · Target Sample · Guest Loaded | NiCB@NU-1000 acetone suspension drop-cast until full IDE coverage; dried at room temperature overnight.Pt interdigitated electrode, 180 pairs of fingers, 5-um gap | S4 · Preparation of electrodes · Figure 3 |
| NiCB@NU-1000 pelletresearch_0106__mat__mat_nicb_nu1000 | Pellet · Target Sample · Guest Loaded | Wet acetone-treated powder pressed in a 7 mm die at 0.5 metric ton and dried at 80 C.sandwiched between two conductive FTO substrates · about 0.7 mm | S13 · Conductivity measurements and characterizations of the MOF pellets · Figure S5 |
| NiCB@NU-1000 powderresearch_0106__mat__mat_nicb_nu1000 | Powder · Target Sample · Guest Loaded | NU-1000 immersed in NiCB/DMF, washed repeatedly with acetone, and dried at 80 C overnight. | S2 · Synthesis of NU-1000 installed with NiCB |
| spin-coated NiCB@NU-1000 thin filmresearch_0106__mat__mat_nicb_nu1000 | Thin Film · Target Sample · Guest Loaded | Spin-coated on FTO following a previous study; used for EIS conductivity.FTO conductive glass · average film thickness 2.5 um | S12 · Conductivity measurement · Figure S4 |
| NiCB@SC-NU-1000 single crystalresearch_0106__mat__mat_nicb_nu1000 | Single Crystal · Target Sample · Guest Loaded | SC-NU-1000 kept in NiCB/DMF for 7 days, washed with acetone, then stored with water. | S3 · Installation of NiCB in NU-1000 crystals for single-crystal X-ray diffraction |
| NU-1000/IDEresearch_0106__mat__mat_nu1000 | Electrode · Pristine Control · Pristine Framework | NU-1000 acetone suspension drop-cast until full IDE coverage; dried at room temperature overnight.Pt interdigitated electrode, 180 pairs of fingers, 5-um gap | S4 · Preparation of electrodes · Figure 3 |
| NU-1000 pelletresearch_0106__mat__mat_nu1000 | Pellet · Pristine Control · Pristine Framework | Wet acetone-treated powder pressed in a 7 mm die at 0.5 metric ton and dried at 80 C.sandwiched between two conductive FTO substrates · about 0.7 mm | S5 · Preparation of pellets for conductivity measurements · Figure S5 |
| NU-1000 powder/crystalsresearch_0106__mat__mat_nu1000 | Powder · Pristine Control · Pristine Framework | Synthesised following a previously reported protocol; used as the pristine framework before guest loading. | S2 · Synthesis of NU-1000 installed with NiCB |
| spin-coated NU-1000 thin filmresearch_0106__mat__mat_nu1000 | Thin Film · Pristine Control · Pristine Framework | Spin-coated on FTO following a previous study for electrochemical measurements.FTO conductive glass | S5 · Preparation of electrodes · Figure 4 |
| SC-NU-1000 single crystalsresearch_0106__mat__mat_nu1000 | Single Crystal · Pristine Control · Pristine Framework | Large single crystals prepared from ZrCl4, H4TBAPy, benzoic acid, DEF, and TFA; washed with DMF and HCl activated. | S3 · Installation of NiCB in NU-1000 crystals for single-crystal X-ray diffraction |