Synthesis · Toward Enhancing Performance of Electromagnetic Wave Absorption for Conductive Metal-Organic Frameworks: Nanostructure Engineering or Crystal Morphology Controlling

3 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Complete recipeSource: Both

Route 1: Hydrothermal

2 · 2.1. Synthesis of A-Cu-HHTP

Metal precursorsCu(NO3)2.3H2O (0.263 mmol, 0.063 g)

Linker precursorsHHTP (0.159 mmol, 0.051 g)

Solventsdeionized water: 1.0 mL for solution A and 4.1 mL for solution B

Additives25 wt% aqueous ammonia solution (7.95 mmol, 1.2 mL); final mixed-solution pH approximately 10

Atmospherenot reported

Temperature85

Time24

Work-upcool to room temperature; collect black precipitate by centrifugation; wash with H2O and EtOH; dry in vacuum oven at 60 C

ActivationBET degassing separately reported at 120 C for 8 h before porosity measurement

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Cu(NO3)2.3H2O	0.263 mmol, 0.063 g	2 · 2.1. Synthesis of A-Cu-HHTP
Base	25 wt % aqueous ammonia solution	7.95 mmol, 1.2 mL · 25 wt %	2 · 2.1. Synthesis of A-Cu-HHTP
Linker	HHTP	0.159 mmol, 0.051 g	2 · 2.1. Synthesis of A-Cu-HHTP
Solvent	deionized water	1.0 mL + 4.1 mL	2 · 2.1. Synthesis of A-Cu-HHTP
Solvent	EtOH	wash solvent · 99% in SI materials list	2 · 2.1. Synthesis of A-Cu-HHTP

Complete recipeSource: Both

Route 2: Hydrothermal

2 · 2.2. Synthesis of B-Cu-HHTP

Metal precursorsCu(OAc)2.H2O (0.080 mmol, 0.020 g)

Linker precursorsHHTP (0.043 mmol, 0.014 g)

Solvents8 mL deionized water

Additivesnone reported; final mixed-solution pH approximately 3

Atmospherenot reported

Temperature85

Time12

Work-upultrasound 15 min; transfer to 23 mL Teflon autoclave; cool to room temperature; collect black precipitate by centrifugation; wash with H2O and EtOH; dry in vacuum oven at 60 C overnight

ActivationBET degassing separately reported at 120 C for 8 h before porosity measurement

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Linker	HHTP	0.043 mmol, 0.014 g	2 · 2.2. Synthesis of B-Cu-HHTP
Metal Source	Cu(OAc)2.H2O	0.080 mmol, 0.020 g	2 · 2.2. Synthesis of B-Cu-HHTP
Solvent	deionized water	8 mL	2 · 2.2. Synthesis of B-Cu-HHTP
Solvent	EtOH	wash solvent · 99% in SI materials list	2 · 2.2. Synthesis of B-Cu-HHTP

Partial recipeSource: Both

Route 3: Hydrothermal

2 · 2.3. Synthesis of C-Cu-HHTP

Metal precursorsCu(NO3)2.3H2O inferred same as A-Cu-HHTP recipe

Linker precursorsHHTP inferred same as A-Cu-HHTP recipe

Solventsdeionized water inferred same as A-Cu-HHTP recipe

Additivespyridine replaces 25 wt% aqueous ammonia solution; final mixed-solution pH approximately 5

Atmospherenot reported

Temperature85

Time24

Work-upreported as similar to A-Cu-HHTP; inferred cool, centrifuge, wash with H2O and EtOH, dry in vacuum oven at 60 C

ActivationBET degassing separately reported at 120 C for 8 h before porosity measurement

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Cu(NO3)2.3H2O	inferred same as A-Cu-HHTP; exact amount not repeated	2 · 2.3. Synthesis of C-Cu-HHTP
Linker	HHTP	inferred same as A-Cu-HHTP; exact amount not repeated	2 · 2.3. Synthesis of C-Cu-HHTP
Base	pyridine	not reported · 99% in SI materials list	2 · 2.3. Synthesis of C-Cu-HHTP
Solvent	deionized water	inferred same as A-Cu-HHTP	2 · 2.3. Synthesis of C-Cu-HHTP