Huang C., Shang X., Zhou X. et al. · Nature Communications · 2023 · 3850
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.
Zn-HHTP behaves as an n-type semiconductor; NH3 donation changes its resistance during sensing.
Caveat: Only one Seebeck value for Zn-HHTP-H is reported in the extracted text.
5 · Chemiresistive gas-sensing performance · Supplementary Fig. 34 · Linked to 1 structured result
All hierarchical c-MOF films exhibited intrinsic electrical conductivity while retaining hollow interiors.
Caveat: Conductivity values differ substantially among hollow and bulk variants; hollow films are not the most conductive in Table 2.
2 · Synthesis and characterization · Supplementary Table 2 · Linked to 3 structured results
Introducing hollow cavities into c-MOF films increases gas permeability and surface convection, accelerating interfacial mass transfer relative to bulk-type films.
Caveat: Evidence is strongest for Zn-HHTP and supported by PcCu-Zn/Co-HHTP generality tests.
6 · Discussion · Figs. 3f, 4 · Linked to 4 structured results
The ZIF-8 to Zn-HHTP hollow-film transformation follows a dissolution-recrystallization mechanism controlled by the balance between ZIF etching and HHTP coordination rates.
Caveat: Mechanism is inferred from time-dependent PXRD, morphology, Zn2+ concentration and pH trends rather than direct in situ atomic-scale observation.
S21-S22 · Supplementary Figure 13 text · Supplementary Fig. 13 · Linked to 3 structured results
The faster NH3 chemiresistive response of hierarchical hollow c-MOF films is attributed to improved interfacial mass transfer rather than a different crystalline composition.
Caveat: Some bulk PcCu-Zn/Co-HHTP response times are lower bounds because responses did not fully saturate.
5 · Chemiresistive gas-sensing performance · Fig. 5c · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Co-HHTP conductive metal-organic frameworkBrowse family: Co₃(HHTP)₂ / Co–HHTP | Co-HHTPCo coordination nodes · 2,3,6,7,10,11-hexahydroxytriphenylene (HHTP) | 2D · PristineCrystalline conductive HHTP-based c-MOF film; hollow and bulk variants compared. | 6 · Generality of the HSAID strategy · Fig. 6c,d |
| PcCu-Zn conductive metal-organic framework | PcCu-ZnZn nodes coordinated to octahydroxyphthalocyaninato copper ligand; Cu in phthalocyanine core · 2,3,9,10,16,17,23,24-octahydroxyphthalocyaninato copper (PcCu-(OH)8) | 2D · PristineCrystalline conductive metallophthalocyanine framework film; hollow and bulk variants compared. | 2 · Results: Synthesis and characterization · Fig. 2c |
| Zn-HHTP conductive metal-organic frameworkBrowse family: Zn–HHTP family | Zn3(HHTP*)2 / Zn-HHTPZnO4 square-planar linkages · 2,3,6,7,10,11-hexahydroxytriphenylene (HHTP) | 2D · PristineCrystalline 2D conductive MOF with honeycomb/hexagonal framework, 1.1-1.2 nm micropores, and variants with hollow or bulk film morphology. | 2 · Results: Synthesis and characterization · Fig. 2b |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| Zn-HHTP-B CFD porous-media modelresearch_0557__mat__mat_zn_hhtp | Model · Model System · Model | CFD model of bulk-type Zn-HHTP porous media.model film thickness z0; beta = 0 | S63 · Supplementary Table 3 · Supplementary Table 3 |
| Zn-HHTP-H CFD porous-media modelresearch_0557__mat__mat_zn_hhtp | Model · Model System · Model | CFD model of hierarchical hollow Zn-HHTP porous media.beta = 0.76 | S64 · Supplementary Table 4 · Supplementary Table 4 |
| Zn-HHTP-HS CFD porous-media modelresearch_0557__mat__mat_zn_hhtp | Model · Model System · Model | CFD model of small-hollow Zn-HHTP porous media.beta = 0.43 | S64 · Supplementary Table 4 · Supplementary Table 4 |
| Co-HHTP-B film on nylon 66 membraneresearch_0557__mat__mat_co_hhtp | Thin Film · Pristine Control · Pristine Framework | Membrane-supported bulk-type film for gas permeance testing.nylon 66 membrane | S58 · Supplementary Figure 49 caption · Supplementary Fig. 49 |
| Co-HHTP-B chemiresistive sensorresearch_0557__mat__mat_co_hhtp | Electrode · Pristine Control · Pristine Framework | Co-HHTP-B film integrated as bulk-control NH3 chemiresistive device.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 6 · Generality of the HSAID strategy · Fig. 6f |
| Co-HHTP-B bulk-type film on Si/SiO2research_0557__mat__mat_co_hhtp | Thin Film · Pristine Control · Pristine Framework | Bulk-type control film without hollow nanostructure.Si/SiO2 wafer | S13 · Supplementary Figure 5 caption · Supplementary Fig. 5 |
| Co-HHTP-H film on nylon 66 membraneresearch_0557__mat__mat_co_hhtp | Thin Film · Target Sample · Pristine Framework | Membrane-supported hollow film for gas permeance testing.nylon 66 membrane | S58 · Supplementary Figure 49 caption · Supplementary Fig. 49 |
| Co-HHTP-H chemiresistive sensorresearch_0557__mat__mat_co_hhtp | Electrode · Target Sample · Pristine Framework | Co-HHTP-H film integrated as NH3 chemiresistive device.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 6 · Generality of the HSAID strategy · Fig. 6f |
| Co-HHTP-H film on Si/SiO2research_0557__mat__mat_co_hhtp | Thin Film · Target Sample · Pristine Framework | Hierarchical hollow film made by ZIF-67-to-Co-HHTP transformation.Si/SiO2 wafer · hollow nanostructure; cross-section scale 500 nm in Fig. 2g | 3 · Results: Synthesis and characterization · Fig. 2g |
| PcCu-Zn-B film on nylon 66 membraneresearch_0557__mat__mat_pccu_zn | Thin Film · Pristine Control · Pristine Framework | Membrane-supported bulk-type film for gas permeance testing.nylon 66 membrane | S57 · Supplementary Figure 48 caption · Supplementary Fig. 48 |
| PcCu-Zn-B chemiresistive sensorresearch_0557__mat__mat_pccu_zn | Electrode · Pristine Control · Pristine Framework | PcCu-Zn-B film integrated as bulk-control NH3 chemiresistive device.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 6 · Generality of the HSAID strategy · Fig. 6e |
| PcCu-Zn-B bulk-type film on Si/SiO2research_0557__mat__mat_pccu_zn | Thin Film · Pristine Control · Pristine Framework | Bulk-type control film without hollow nanostructure.Si/SiO2 wafer | S13 · Supplementary Figure 5 caption · Supplementary Fig. 5 |
| PcCu-Zn-H film on nylon 66 membraneresearch_0557__mat__mat_pccu_zn | Thin Film · Target Sample · Pristine Framework | Membrane-supported hollow film for gas permeance testing.nylon 66 membrane | S57 · Supplementary Figure 48 caption · Supplementary Fig. 48 |
| PcCu-Zn-H chemiresistive sensorresearch_0557__mat__mat_pccu_zn | Electrode · Target Sample · Pristine Framework | PcCu-Zn-H film integrated as NH3 chemiresistive device.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 6 · Generality of the HSAID strategy · Fig. 6e |
| PcCu-Zn-H film on Si/SiO2research_0557__mat__mat_pccu_zn | Thin Film · Target Sample · Pristine Framework | Hierarchical hollow film made by ZIF-8-to-PcCu-Zn transformation.Si/SiO2 wafer · hollow nanostructure; cross-section scale 1 um in Fig. 2f | 3 · Results: Synthesis and characterization · Fig. 2f |
| Zn-HHTP-B film on nylon 66 membraneresearch_0557__mat__mat_zn_hhtp | Thin Film · Pristine Control · Pristine Framework | Membrane-supported bulk-type film for gas permeance testing.nylon 66 membrane · ~500 nm | S36 · Supplementary Figure 27 caption · Supplementary Fig. 27 |
| Zn-HHTP-B chemiresistive sensorresearch_0557__mat__mat_zn_hhtp | Electrode · Pristine Control · Pristine Framework | Fresh bulk-type film integrated as a chemiresistive device.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 5 · Chemiresistive gas-sensing performance · Fig. 5c |
| Zn-HHTP-B bulk-type film on Si/SiO2research_0557__mat__mat_zn_hhtp | Thin Film · Pristine Control · Pristine Framework | Bulk-type Zn-HHTP film without hierarchical hollow porous structure.Si/SiO2 wafer · ~500 nm | 3 · Morphology control · Supplementary Figs. 20-21 |
| Zn-HHTP-H film on nylon 66 membraneresearch_0557__mat__mat_zn_hhtp | Thin Film · Target Sample · Pristine Framework | Membrane-supported hollow film for gas permeance testing.nylon 66 membrane · ~500 nm; membrane diameter 47.0 mm, pore size 0.22 um | S36 · Supplementary Figure 27 caption · Supplementary Fig. 27 |
| Zn-HHTP-H chemiresistive sensorresearch_0557__mat__mat_zn_hhtp | Electrode · Target Sample · Pristine Framework | Fresh film integrated by depositing silver electrodes and aged in air for 6 h.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 5 · Chemiresistive gas-sensing performance · Fig. 5b |
| Zn-HHTP-H film on Si/SiO2research_0557__mat__mat_zn_hhtp | Thin Film · Target Sample · Pristine Framework | Hierarchical hollow film made by in-situ ZIF-8-to-Zn-HHTP transformation.Si/SiO2 wafer · ~500 nm film; ~500 nm hollow cavities; ~20 nm hollow shell | 3 · Morphology control · Fig. 3a |
| Zn-HHTP-HS film on nylon 66 membraneresearch_0557__mat__mat_zn_hhtp | Thin Film · Pristine Control · Pristine Framework | Membrane-supported small-hollow film for gas permeance testing.nylon 66 membrane · ~500 nm | S36 · Supplementary Figure 27 caption · Supplementary Fig. 27 |
| Zn-HHTP-HS chemiresistive sensorresearch_0557__mat__mat_zn_hhtp | Electrode · Pristine Control · Pristine Framework | Fresh small-hollow film integrated as a chemiresistive device.Si/SiO2 wafer with silver electrodes · ~500 nm c-MOF film; 80 um electrode channel length | 5 · Chemiresistive gas-sensing performance · Fig. 5c |
| Zn-HHTP-HS film on Si/SiO2research_0557__mat__mat_zn_hhtp | Thin Film · Pristine Control · Pristine Framework | Small-hollow morphology produced by changing HHTP solution composition and temperature.Si/SiO2 wafer · ~500 nm film; small cavities of ~175 nm | 3 · Morphology control · Supplementary Figs. 13, 16, 17 |
| Zn-HHTP nanowire film on Si/SiO2research_0557__mat__mat_zn_hhtp | Thin Film · Pristine Control · Pristine Framework | Nanowire morphology produced at high water fraction / higher etching rate.Si/SiO2 wafer | S21 · Supplementary Figure 13 caption and text · Supplementary Fig. 13 |