Synthesis · Preparation of hierarchical MOF-5 films using morphology controlled ZnO coatings for temperature dependent optical sensors application

5 structured synthesis routes

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

Vague recipeSource: Main

Route 1: Other

3 · Synthesis of thin films

Metal precursorsZnO thin film provides Zn source/support

Linker precursorsH2BDC

SolventsDMF

Atmosphereair / room-temperature solution, not otherwise specified

Temperatureroom temperature

Time1.67 h optimum for ZnO NRs; other times investigated; 240 min consumed ZnO

Substrate orientationZnO thin film placed in saturated H2BDC/DMF solution

Work-upwashed with DMF and DI and dried in air

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Linker	H2BDC	saturated solution · saturated in DMF	3 · Synthesis of thin films
Solvent	DMF	Not specified	3 · Synthesis of thin films
Metal Source	ZnO thin film	Not specified	3 · Synthesis of thin films

Partial recipeSource: Main

Route 2: Other

3 · Sample preparation

Metal precursorsgold contacts

Atmospherenot reported

Substrate orientationMOF-5/ZnO hybrid film on silicon wafer

Work-upAu sputtered through finger-pattern metal mask

Show 1 structured reagent record

Role	Reagent	Amount / concentration	Source
Other	gold	Not specified	3 · Sample preparation

Partial recipeSource: Main

Route 3: Solvothermal

3 · Synthesis of thin films

Metal precursorszinc acetate

Solventsethylene glycol and deionised water, 95:5

AdditivesHMT (reported; likely HMTA)

Atmospherenot reported

Temperature150

Time9

Substrate orientationcleaned substrates immersed in precursor solution in glass test tube

Work-updipped carefully in deionised water to wash and dried at room temperature

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Zinc acetate	1 mmol	3 · Synthesis of thin films
Base	HMT	4 mmol	3 · Synthesis of thin films
Solvent	EG and DI	ratio 95:5	3 · Synthesis of thin films

Partial recipeSource: Main

Route 4: Hydrothermal

3 · Synthesis of thin films

Metal precursorszinc nitrate

Solventsdeionised water

Additiveshexamethylenetetramine (HMTA)

Atmospherenot reported

Temperature90

Time4

Substrate orientationpre-cleaned silicon wafer placed inside screw-thread capped test tube; glass also used for characterisation substrates

Work-upimmersed in deionised water for washing and dried at ambient temperature

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	zinc nitrate	0.04 M mixed aqueous solution	3 · Synthesis of thin films
Base	HMTA	1:1 M ratio with zinc nitrate	3 · Synthesis of thin films
Solvent	deionized water (DI)	final mixed solution volume 8 mL	3 · Synthesis of thin films

Partial recipeSource: Main

Route 5: Hydrothermal

3 · Synthesis of thin films

Metal precursorszinc nitrate

Solventsaqueous solution

AdditivesHMTA and citric acid

Atmospherenot reported

Temperature95

Time8

Substrate orientationclean substrate placed in glass test tube

Work-upimmersed in deionised water for washing and dried at room temperature

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	zinc nitrate	100 mM	3 · Synthesis of thin films
Base	HMTA	Not specified	3 · Synthesis of thin films
Acid	citric acid	50 mM	3 · Synthesis of thin films
Solvent	aqueous solution	Not specified	3 · Synthesis of thin films