Synthesis · Unleashing the room temperature boronization: Blooming of Ni-ZIF nanobuds for efficient photo/electro catalysis of water

10 structured synthesis routes

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

Complete recipeSource: Both

Route 1: Other

2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Metal precursors0.05 g pre-synthesised Ni-ZIF

Linker precursorsNi-ZIF framework contains 2-methylimidazolate linker

Solvents25 mL water for NaBH4 solution; DI water and ethanol washing

Additivesnone reported

Atmosphereroom temperature; atmosphere not stated

Temperatureroom temperature for boronization; 80 deg C drying

Time24

Substrate orientationnone; powder immersion

Oxidant / reductantNaBH4 (sodium borohydride), 1 M, reductant and boron source

Work-upResidue taken out and cleaned with DI water and ethanol six times

Activationovernight dried at 80 deg C

Scalability contextBatch powder immersion; no yield or scale-up reported.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-ZIF	0.05 g	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Reductant	NaBH4 (sodium borohydride)	25 ml water + 1 M sodium borohydride solution · 1 M	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	water	25 ml	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	DI water	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	ethanol	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Partial recipeSource: Both

Route 2: Drop Cast

3,8 · 2.5 Electrocatalytic measurements; 3.2

Metal precursors24-BNZ active material already synthesised

Linker precursorsin active material

Solventsslurry solvent not stated

Additives10 mg carbon black; 10 mg PVDF binder

Atmospherenot stated

Temperature80

Time24

Substrate orientationNickel foam, electrode area 1 x 1 cm

Oxidant / reductantnone during electrode fabrication

Work-upSlurry drop-cast onto nickel foam substrate

Activationdried for 1 day at 80 deg C; electrochemical activation by 100 CV cycles at 100 mV/s before tests

Scalability contextElectrode ink uses 80 wt% active material, 10 wt% carbon black, 10 wt% PVDF by stated masses; slurry solvent not reported.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	24-BNZ	80 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	carbon black	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	PVDF (polyvinylidene difluoride)	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Other	nickel foam	1 x 1 cm working area; 1.5 mm thickness	3,8 · 2.5 Electrocatalytic measurements; 3.2

Complete recipeSource: Both

Route 3: Other

2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Metal precursors0.05 g pre-synthesised Ni-ZIF

Linker precursorsNi-ZIF framework contains 2-methylimidazolate linker

Solvents25 mL water for NaBH4 solution; DI water and ethanol washing

Additivesnone reported

Atmosphereroom temperature; atmosphere not stated

Temperatureroom temperature for boronization; 80 deg C drying

Time48

Substrate orientationnone; powder immersion

Oxidant / reductantNaBH4 (sodium borohydride), 1 M, reductant and boron source

Work-upResidue taken out and cleaned with DI water and ethanol six times

Activationovernight dried at 80 deg C

Scalability contextBatch powder immersion; no yield or scale-up reported.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-ZIF	0.05 g	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Reductant	NaBH4 (sodium borohydride)	25 ml water + 1 M sodium borohydride solution · 1 M	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	water	25 ml	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	DI water	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	ethanol	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Partial recipeSource: Both

Route 4: Drop Cast

3,8 · 2.5 Electrocatalytic measurements; 3.2

Metal precursors48-BNZ active material already synthesised

Linker precursorsin active material

Solventsslurry solvent not stated

Additives10 mg carbon black; 10 mg PVDF binder

Atmospherenot stated

Temperature80

Time24

Substrate orientationNickel foam, electrode area 1 x 1 cm

Oxidant / reductantnone during electrode fabrication

Work-upSlurry drop-cast onto nickel foam substrate

Activationdried for 1 day at 80 deg C; electrochemical activation by 100 CV cycles at 100 mV/s before tests

Scalability contextElectrode ink uses 80 wt% active material, 10 wt% carbon black, 10 wt% PVDF by stated masses; slurry solvent not reported.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	48-BNZ	80 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	carbon black	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	PVDF (polyvinylidene difluoride)	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Other	nickel foam	1 x 1 cm working area; 1.5 mm thickness	3,8 · 2.5 Electrocatalytic measurements; 3.2

Complete recipeSource: Both

Route 5: Other

2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Metal precursors0.05 g pre-synthesised Ni-ZIF

Linker precursorsNi-ZIF framework contains 2-methylimidazolate linker

Solvents25 mL water for NaBH4 solution; DI water and ethanol washing

Additivesnone reported

Atmosphereroom temperature; atmosphere not stated

Temperatureroom temperature for boronization; 80 deg C drying

Time4

Substrate orientationnone; powder immersion

Oxidant / reductantNaBH4 (sodium borohydride), 1 M, reductant and boron source

Work-upResidue taken out and cleaned with DI water and ethanol six times

Activationovernight dried at 80 deg C

Scalability contextBatch powder immersion; no yield or scale-up reported.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-ZIF	0.05 g	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Reductant	NaBH4 (sodium borohydride)	25 ml water + 1 M sodium borohydride solution · 1 M	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	water	25 ml	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	DI water	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	ethanol	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Partial recipeSource: Both

Route 6: Drop Cast

3,8 · 2.5 Electrocatalytic measurements; 3.2

Metal precursors4-BNZ active material already synthesised

Linker precursorsin active material

Solventsslurry solvent not stated

Additives10 mg carbon black; 10 mg PVDF binder

Atmospherenot stated

Temperature80

Time24

Substrate orientationNickel foam, electrode area 1 x 1 cm

Oxidant / reductantnone during electrode fabrication

Work-upSlurry drop-cast onto nickel foam substrate

Activationdried for 1 day at 80 deg C; electrochemical activation by 100 CV cycles at 100 mV/s before tests

Scalability contextElectrode ink uses 80 wt% active material, 10 wt% carbon black, 10 wt% PVDF by stated masses; slurry solvent not reported.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	4-BNZ	80 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	carbon black	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	PVDF (polyvinylidene difluoride)	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Other	nickel foam	1 x 1 cm working area; 1.5 mm thickness	3,8 · 2.5 Electrocatalytic measurements; 3.2

Complete recipeSource: Both

Route 7: Other

2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Metal precursors0.05 g pre-synthesised Ni-ZIF

Linker precursorsNi-ZIF framework contains 2-methylimidazolate linker

Solvents25 mL water for NaBH4 solution; DI water and ethanol washing

Additivesnone reported

Atmosphereroom temperature; atmosphere not stated

Temperatureroom temperature for boronization; 80 deg C drying

Time9

Substrate orientationnone; powder immersion

Oxidant / reductantNaBH4 (sodium borohydride), 1 M, reductant and boron source

Work-upResidue taken out and cleaned with DI water and ethanol six times

Activationovernight dried at 80 deg C

Scalability contextBatch powder immersion; no yield or scale-up reported.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-ZIF	0.05 g	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Reductant	NaBH4 (sodium borohydride)	25 ml water + 1 M sodium borohydride solution · 1 M	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	water	25 ml	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	DI water	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1
Solvent	ethanol	wash 6 times	2 · 2.3 Preparation of boronized Ni-ZIF (BNZ) · Fig. 1

Partial recipeSource: Both

Route 8: Drop Cast

3,8 · 2.5 Electrocatalytic measurements; 3.2

Metal precursors9-BNZ active material already synthesised

Linker precursorsin active material

Solventsslurry solvent not stated

Additives10 mg carbon black; 10 mg PVDF binder

Atmospherenot stated

Temperature80

Time24

Substrate orientationNickel foam, electrode area 1 x 1 cm

Oxidant / reductantnone during electrode fabrication

Work-upSlurry drop-cast onto nickel foam substrate

Activationdried for 1 day at 80 deg C; electrochemical activation by 100 CV cycles at 100 mV/s before tests

Scalability contextElectrode ink uses 80 wt% active material, 10 wt% carbon black, 10 wt% PVDF by stated masses; slurry solvent not reported.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	9-BNZ	80 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	carbon black	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	PVDF (polyvinylidene difluoride)	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Other	nickel foam	1 x 1 cm working area; 1.5 mm thickness	3,8 · 2.5 Electrocatalytic measurements; 3.2

Partial recipeSource: Both

Route 9: Drop Cast

3,8 · 2.5 Electrocatalytic measurements; 3.2

Metal precursorsNZ active material already synthesised

Linker precursorsin active material

Solventsslurry solvent not stated

Additives10 mg carbon black; 10 mg PVDF binder

Atmospherenot stated

Temperature80

Time24

Substrate orientationNickel foam, electrode area 1 x 1 cm

Oxidant / reductantnone during electrode fabrication

Work-upSlurry drop-cast onto nickel foam substrate

Activationdried for 1 day at 80 deg C; electrochemical activation by 100 CV cycles at 100 mV/s before tests

Scalability contextElectrode ink uses 80 wt% active material, 10 wt% carbon black, 10 wt% PVDF by stated masses; slurry solvent not reported.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	NZ	80 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	carbon black	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Additive	PVDF (polyvinylidene difluoride)	10 mg	3,8 · 2.5 Electrocatalytic measurements; 3.2
Other	nickel foam	1 x 1 cm working area; 1.5 mm thickness	3,8 · 2.5 Electrocatalytic measurements; 3.2

Complete recipeSource: Both

Route 10: Solvothermal

2 · 2.2 Preparation of Ni-ZIF (NZ)

Metal precursors0.1 M Ni(NO3)2.6H2O in 40 mL methanol

Linker precursors0.7 M 2-methylimidazole in 40 mL methanol

Solventsmethanol; DI water and ethanol for washing

Additivesnone reported

Atmospherenot stated

Temperature180

Time6

Substrate orientationnone; powder synthesis in 100 mL stainless steel autoclave

Oxidant / reductantnone reported

Work-upResidue cleaned with DI water and ethanol six times

Activationovernight dried at 80 deg C

Scalability contextPowder route; no scale-up data reported.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Nickel nitrate hexahydrate (Ni(NO3)2.6H2O)	40 ml solution · 0.1 M	2 · 2.2 Preparation of Ni-ZIF (NZ)
Linker	2-Methylimidazole	40 ml solution · 0.7 M	2 · 2.2 Preparation of Ni-ZIF (NZ)
Solvent	Methanol	40 ml + 40 ml	2 · 2.2 Preparation of Ni-ZIF (NZ)
Solvent	DI water	wash 6 times	2 · 2.2 Preparation of Ni-ZIF (NZ)
Solvent	ethanol	wash 6 times	2 · 2.2 Preparation of Ni-ZIF (NZ)