Continuous-Flow Synthesis of BiVO4 Nanoparticles: From laboratory scale to practical systems

#Data set of "Continuous-Flow Synthesis of BiVO4 Nanoparticles: From laboratory scale to practical systems"

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## GENERAL INFORMATION

1. Data set title: "Continuous-Flow Synthesis of BiVO4 Nanoparticles: From laboratory scale to practical systems"

2.Authorship:    Name: Christian Robles   Institution: Institute of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0003-1166-2950

   Name: Laura Montañés   Institution: Institute of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0002-1076-013X         Name: Camilo A. Mesa   Institution: Institute of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0002-8450-2563

   Name:Diego Iglesias    Institution: institute of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0002-4030-5816

   Name: Helena Rabelo   Institution: Catalan Institute of Nanoscience and Nanotechnology (ICN2) and BIST, Campus UAB, Ballaterra, 08193, Barcelona, Spain   ORCID: 0000-0002-7773-3929

   Name: Maria Chiara Spadaro   Institution: Catalan Institute of Nanoscience and Nanotechnology (ICN2) and BIST, Campus UAB, Ballaterra, 08193, Barcelona, Spain. Department SIMAU, Marche Polytechnic University, 60131, Ancona, Italy.   ORCID: 0000-0002-6540-0377    Name: Jordi Arbiol   Institution: Catalan Institute of Nanoscience and Nanotechnology (ICN2) and BIST, Campus UAB, Ballaterra, 08193, Barcelona, Spain ICREA, 08010, Barcelona, Spain   ORCID: 0000-0002-0695-1726

   Name: Jesús Redondo   Institution: Department of Polymers and Advanced Materials, Centro de Física de Materiales CFM (UPV/EHU-CSIC), University of the Basque Country UPV/EHU, 20018, San Sebastián Spain. Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University, 180 00 Prague 8, Czech Republic    ORCID: 0000-0002-8147-689X

   Name: F.Schiller   Institution: Department of Polymers and Advanced Materials, Centro de Física de Materiales CFM (UPV/EHU-CSIC), University of the Basque Country UPV/EHU, 20018, San Sebastián Spain. Donostia International Physics Center DIPC, 20018 San Sebastián, Spain   ORCID: 0000-0003-1727-3542

   Name:Sara Barja   Institution: Department of Polymers and Advanced Materials, Centro de Física de Materiales CFM (UPV/EHU-CSIC), University of the Basque Country UPV/EHU, 20018, San Sebastián Spain. Donostia International Physics Center DIPC, 20018 San Sebastián, Spain. IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain

   Name: Beatriz Julián-López   Institution: Institude of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0003-1019-776X

   Name: Ana Gutiérrez-Blanco   Institution: Institude of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0001-9412-2321   Email:

   Name: Victor Sans   Institution: Institude of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0001-7045-5244   Email:

   Name: Sixto Giménez   Institution: Institude of Advanced Materials (INAM), Universitat Jaume I, 12006, Castelló, Spain   ORCID: 0000-0002-4522-3174   Email:

## FILE DESCRIPTION----------------### Figure 1-Fig1b.txt : Distribution hystogram of the BiVO4 NPs after the synthetic procedure.

### Figure 3 (All measurements were carried out in 0.1 M potassium phosphate buffer (pH 7), containing 0.1 M Na2SO3 as hole scavenger.)-Fig3a.txt : LSVs under chopped illumination conditions, scan rate, 10 mV·s-1, simulated solar light (AM 1.5 G, 100 mW·cm-2), back illumination.-Fig3b.txt : Chronoamperometries at 1.23 V vs. RHE.-Fig3c.txt : IPCE measurements and integrated photocurrent at 1.23 V vs. RHE

### Figure 4-Fig4c.txt : LSV of the measured photoanode (the electrolyte consisted on 0.5 M KPi at a constant pH of 7 and 0.5 M Na2SO3 as hole scavenger) with back illumination configuration.

### Figure S4-FigS4a.txt : Absorbance spectra of the different BiVO4 colloidal suspension alliquots taken for reproducibility studies.Seven consecutive synthetic runs were carried out and an aliquot was taken from each run, always under identical conditions regarding the collection time of the sample (30 minutes after starting the reaction).-FigS4b.txt : Transmittance spectra of the different BiVO4 colloidal suspension alliquots taken for reproducibility studies.Seven consecutive synthetic runs were carried out and an aliquot was taken from each run, always under identical conditions regarding the collection time of the sample (30 minutes after starting the reaction).-FigS4c.txt : Absorbance mean + error or the different BiVO4 colloidal suspension alliquots taken for reproducibility studies.-FigS4d.txt : Transmittance at the selcted wavelength (400 nm) for the different BiVO4 colloidal suspension alliquots taken for reproducibility studies.

## Figure S6-FigS6.txt : Thermogravimetric analysis (TGA) curve of the BiVO4 NPs from room temperature to 500 ºC.

### Figure S7-FigS7.txt : XRD patterns of the FTO/BiVO4 photoanodes before and after thermal annealing.  

### Figure S8-FigS8a.txt : Raman spectra of the FTO/BiVO4/Al2O3 based films before and after annealing. -FigS8b.txt : FT-IR spectra of the FTO/BiVO4/Al2O3 based films before and after annealing.  

### Figure S9-FigS9a.txt : Absorptance spectra of the FTO/BiVO4/Al2O3 samples before and after the annealing process.-FigS9b.txt : Tauc plot of the FTO/BiVO4/Al2O3 samples before and after the annealing process.  

### Figure S11-Fig11a.txt : LSV of the FTO/BiVO4/Al2O3 films in 0.1 M potassium phosphate buffer (pH 7) containing 0.1 M Na2SO3 as hole scavenger under AM 1.5 G, 100 mW·cm-2 back side illumination (scan rate, 10 mV·s-1) for the deposition reproducibility studies.-Fig11b takes the same data contained in Fig11a.txt

### Figure S12 (Measurements in 0.1 M phosphate buffer (pH 7) containing 0.1 M Na2SO3 as hole scavenger under AM 1.5 G, 100 mW·cm-2 back side illumination.)-FigS12a.txt : Consecutive LSVs (LSV1, LSV2 LSV3) and LSV after 2 hours testing for the FTO/BiVO4 (area 5 cm2).-FigS12b.txt : Consecutive LSVs (LSV1, LSV2 LSV3) and LSV after 2 hours testing for the FTO/BiVO4/Al2O3 films (area 5 cm2) showing the enhanced stability after deposition of the Al2O3 layer.