Synthesis · Chemiresistive and chem-FET Sensor: π-d conjugated metal-organic framework for ultra-sensitive and selective carbon monoxide detection

Partial recipeSource: Main

Route 1: Hydrothermal

3 · 2.2. Synthesis of 2D Zn-HHTP · Fig. 1a

Metal precursorszinc acetate (90 mg or 4.9 mmol) in water (10 ml)

Linker precursorsfresh HHTP ligand (97.2 mg or 3 mmol)

Solventsisopropanol (10 ml) and water (10 ml)

Atmosphereambient conditions during stirring; air atmosphere introduced during reaction

Temperature85

Oxidant / reductantin situ ligand oxidation by air atmosphere

Work-upFiltered and washed with deionized water, acetone and ethanol

ActivationDried under vacuum at 60 C before analysis

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Linker	3,6,7,10,11-hexahydroxytriphenylene (HHTP)	97.2 mg or 3 mmol	3 · 2.2. Synthesis of 2D Zn-HHTP · Fig. 1a
Solvent	isopropanol	10 ml	3 · 2.2. Synthesis of 2D Zn-HHTP · Fig. 1a
Metal Source	zinc acetate	90 mg or 4.9 mmol · aqueous solution in 10 ml water	3 · 2.2. Synthesis of 2D Zn-HHTP · Fig. 1a
Solvent	water	10 ml	3 · 2.2. Synthesis of 2D Zn-HHTP · Fig. 1a
Oxidant	air atmosphere	Not specified	3 · 2.2. Synthesis of 2D Zn-HHTP · Fig. 1a

Partial recipeSource: Main

3 · 4.1. Gas sensor fabrication and measurement · Fig. 5d; Fig. S1 cited

Solventsacetone suspension of Zn-HHTP

Atmosphereroom-temperature ambient sensor fabrication after electrode preparation

Substrate orientationboron-doped Si/SiO2; interdigitated Au electrodes with 3 um gap

Work-upFine Zn-HHTP powder sonicated in acetone; 1 ul suspension drop-cast between electrodes

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Zn-HHTP fine powder	1 ul suspension drop-cast	3 · 4.1. Gas sensor fabrication and measurement · Fig. 5d; Fig. S1 cited
Solvent	acetone	Not specified	3 · 4.1. Gas sensor fabrication and measurement · Fig. 5d; Fig. S1 cited