READ ME File For 'Dataset for: Silver nanofluids based broadband solar absorber through tuning nanosilver geometries'

Dataset DOI: 10.5258/SOTON/D1501

ReadMe Author: Harriet Kimpton, University of Southampton
ORCID ID: https:orcid.org/0000-0002-3219-217X
README file for data associated with publication

This dataset supports the publication:

AUTHORS:Harriet Kimpton; Eugen Stulz; Xunli Zhang

TITLE:
Silver nanofluids based broadband solar absorber through tuning nanosilver geometries

JOURNAL:
Solar Energy

PUBLICATION DATE:
August 2020

PAPER DOI IF KNOWN:

Place of Research:
University of Southampton, UK, Facility of Engineering and Physical Sciences

Abreviations:
Defined in paper or in data file

Date research undertaken:
July 2019 - February 2020


This dataset contains:

Main paper:

Graphical abstract
3 files; gaphical abstract.pptx; graphical abstract.png; graphical abstract.tif


The figures and tables are as follows:

Table 1 - No data associated with this table

Fig. 1 A – Schematic of solar simulator set-up and B – Photograph of sample in cuvette holder with thermocouple
No data with this figure - schematic of set-up

2 files; Solar simulator.pptx; figure 1.tif

Fig. 2 UV-Vis-IR spectra for P-A, P-B and P-C initially, and after 4 weeks storage in the dark at 4°C (4 wks dark). Mean
values shown. Note that P-B was diluted 1 mL in 3 mL, and P-C was diluted 0.6 mL in 3 mL. All measurements
undertaken with a 10 mm path length cuvette.

Data for figure in file; UV vis IR.xlsx; data spreadsheet; columns AS to AX

Fig. 3 UV-Vis-IR spectra for the mixture M, calculated from the component spectra and as measured initially and
after 4 weeks storage in the dark at 4°C. Mean values shown. All measurements undertaken with a 10 mm path length
cuvette.

Data for figure in file; UV vis IR.xlsx; data spreadsheet; columns AY to BA

Fig. 4 TEM images of A) P-A, B) P-B, C) P-C and D) M before solar simulator testing. The magnified inserts show the
edges and thicknesses of the nanoparticles. All scale bars including the ones in the inserts = 100 nm

All files in Fig 4 folder (which is in TEM folder)
Files 2 combined image files; TEM initial.png; TEM initial.pub
Source files (8 files); 
P-A2 200k 9.tif; P-A2 edge 200k 6.tif;
P-B2 200k.tif; P-B1 edge 200k 7 tif;
P-C2 200k 3.tif; P-C1 edge 200k 4.tif; 
M-2 200k 2.tif; M-1 edge 200k 3.tif

Fig. 5 Amount of the G173 solar reference spectral power absorbed at different wavelengths by P-A, P-B, P-C and M.
Mean results shown (Complete results given in SI Figures S6 – S10). The amount of the solar spectrum not absorbed by
the mixture M is also shown. Calculation uses the same dilution for P-B and P-C as used for the UV-Vis-IR
measurements

File; AE calculations.xlsx; For grph datasheet; columns B, CC to CH highlighted in yellow

Fig. 6 Spectral response of the SSL lamp compared to the G173 solar reference spectra. Both spectra have been
normalised for comparison

File; Lamp vs G173 solar.xlsx; lamp solar spreadsheet; columns D and F

Table 2 Results of calculating AELamp (330-1100 nm) from the UV-Vis-IR data.

File; Summarised AE and PE calculations.xlsx; Sumarised data in column L and ANOVA results column AB - AH

Fig. 7 Change in temperature with time of exposure to SSL for the mixture M and components P-A, P-B and P-C. The
mean results from 9 measurements per sample type are shown except for water where n = 3

File; PE data.xlsx; Spreadsheet Delta T; data in columns AO,BB to BE. 
Also average starting temperature (in text of paper) in spreadsheet Temp data; columns AO to AT

Table 3 Calculated values of PETotal obtained from SSL testing. ANOVA testing (See SI) was undertaken to determine the
significance of the results and to determine the possible range of the mean values (at 95% CI). Samples that do not
share the same letter are significantly different

File; PE data.xlsx; Spreadsheet PE %; orignial values of PE in column O; ANOVA results for table in columns AC to AH

Fig. 8 UV-Vis-IR spectra for M, P-A, P-B and P-C after 30 minutes exposure to SSL. Mean values shown. Note that P-B
was diluted 1 mL in 3 mL, P-C was diluted 0.6 mL in 3 mL. All measurements undertaken with a 10 mm path length
cuvette.

File; UV vis IR.xlsx; in Data spreadsheet; columns BB to BE

Fig. 9 TEM images of A) P-A, B) P-B, C) P-C and D) M after solar simulator testing. The magnified inserts show the
edges of the nanoparticles. All scale bars All scale bars including the ones in the inserts = 100 nm

All files in Fig 9 folder (in TEM folder)
Files 2 combined image files; TEM 30min.png; TEM 30min.pub
Source files (8 files); 
P-A2 30min 200k.tif; P-A1 30min edge 200k 2.tif;
P-B2 30min 200k.tif; P-B1 edge 30min 200k.tif;
P-C2 30min 200k 2.tif; P-C1 edge 30min 200k.tif; 
M-2 30min 200k.tif; M-1 30min edges 200k.tif

Fig. 10 Percentage of each type of particle before and after SSL exposure estimated from TEM micrographs for P-A,
P-B, P-C and M

File; measurements (TEM).xlsx; spreadsheet percents; data in columns A to I

Data for Supplementary Information

Figures and Tables as follows

Table S1 Concentration of nanofluids

File; Optimisation of M.xlsx; Summary spreadsheet; data in columns B to D as highlighted in light blue

Table S2 Calculations of optimum mixture. Note although not the optimum in terms of AE(300-1350nm),
the recipe corresponding to calculation 7 was chosen as it minimized the amount of P-B, the least stable nanofluid.

File; Optimisation of M.xlsx; Summary spreadsheet; data in columns A to O highlighed in light green

Table S3 Measurements of Is / Wm-2using a ReRA System calibrated silicon cell (area of cell 3.6 cm2).

File; Coherent power meter.xlsx; data in columns U to AL and highlighted in yellow
Also source data for calibration in; Calibrated silicon cell folder; - 12 files (2 x excel, 1 x MATLAB and 9 text files)

Table S4 Uncertainty of constant CwMw/IsAs for SSL tests.
The half width between the upper and lower limits is denoted by a. 
The standard deviation is denoted by s and n is the number of measurements 

File; measurement uncertainty broadband paper.xlsx
Data for Table S4 in columns A to G; highlighted in yellow

Table S5 Values obtained for the expanded uncertainty (total of type A and Type B) for the different nanofluids measured under SSL. 
A coverage factor (k) of 2 has been used which corresponds to a confidence interval of approximately 95%

File; measurement uncertainty broadband paper.xlsx
Data for Table S5 in columns A to G; highlighted in light blue

Table S6 Uncertainty of UV-visible-IR measurements (type B only). The half width between the upper and lower limits is denoted by a. 
The standard deviation is denoted by s and n is the number of measurements

File; measurement uncertainty broadband paper.xlsx
Data for Table S6 in columns I to O; highlighted in light green

Table S7 Values obtained for the expanded uncertainty (total of type A and Type B) for the calculation of AE from UV-visible-IR spectroscopy. 
A coverage factor (k) of 2 has been used which corresponds to a confidence interval of approximately 95%

File; measurement uncertainty broadband paper.xlsx
Data for Table S7 in columns I to O; highlighted in light orange

Table S8 Uncertainty of TEM measurements using P-A triangles and P-A thickness as examples. The half width between the upper and lower limits is denoted by a. 
The standard deviation (StDev) is denoted by s and n is the number of measurements 

File; measurement uncertainty broadband paper.xlsx
Data for Table S8 in columns Q to W; highlighted in light grey

Fig. S1 UV-visible-IR spectra for P-A samples initially and after storage in the dark for 4 weeks. All measured with a 10mm path length cuvette

File; UV vis IR.xlsx
Data in Data spreadsheet; columns B to D and AA to AC; highlighted in grey

Table S9 ?max and Hpeak values for P-A samples initially and after 4 weeks storage in the dark

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Fig. S2 UV-visible-IR spectra for P-B samples initially and after storage in the dark for 4 weeks. All measured with a 10mm path length cuvette.
Note that P-B samples diluted 1 ml in 3 ml from initial concentration

File; UV vis IR.xlsx
Data in Data spreadsheet; columns E to G and AG to AI; highlighted in light gold

Table S10 ?max and Hpeak values for P-B samples initially and after 4 weeks storage in the dark

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Fig. S3 UV-visible-IR spectra for P-C samples initially and after storage in the dark for 4 weeks.
All measured with a 10mm path length cuvette.P-C samples diluted 0.6 ml in 3 ml.

File; UV vis IR.xlsx
Data in Data spreadsheet; columns H to J and AM to AO; highlighted in light green

Table S11 ?max and Hpeak values for P-C samples initially and after 4 weeks storage in the dark

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Fig. S4 UV-visible-IR spectra for M samples calculated from component nanofluid spectra. Mixture recipe 50% P-A, 20% P-B, 30% P-C.
All initial measurements performed with a 10mm path length cuvette.

File; UV vis IR.xlsx
Data in Data spreadsheet; columns L to N

Table S12 ?max and Hpeak values for M samples calculated from absorption values of component nanofluids

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Fig. S5 UV-visible-IR spectra for M samples initially and after storage in the dark for 4 weeks.
All measured with a 10mm path length cuvette.

File; UV vis IR.xlsx
Data in Data spreadsheet; columns R to W

Table S13 ?max and Hpeak values for M samples initially and after 4 weeks storage in the dark. Only the primary peak position shown

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Table S14 Size analysis initial

Data in TEM folder; File; measurements (TEM).xlsx
data spreadsheet; summarised data in rows 9 to 13; columns A to U; highlighted in yellow

Fig. S6 Amount of G173 solar reference spectra power absorbed and not absorbed (labeled as difference)
at different wavelength for the P-A samples calculated from the UV-visible-IR measurements undertaken initially

File; AE calculations.xlsx
Spreadsheet; For grph; Data in columns B and O to T; highlighted in light blue

Fig. S7 Amount of G173 solar reference spectra power absorbed and not absorbed (labeled as difference)
at different wavelength for the P-B samples calculated from the UV-visible-IR measurements undertaken initially

File; AE calculations.xlsx
Spreadsheet; For grph; Data in columns B and U to Z; highlighted in light orange

Fig. S8 Amount of G173 solar reference spectra power absorbed and not absorbed (labeled as difference)
at different wavelength for the P-C samples calculated from the UV-visible-IR measurements undertaken initially

File; AE calculations.xlsx
Spreadsheet; For grph; Data in columns B and AA to AF; highlighted in light grey

Fig. S9 Amount of G173 solar reference spectra power absorbed and not absorbed (labeled as difference)
at different wavelength for the M samples calculated from the UV-visible-IR measurements undertaken on the componet nanofluids P-A, P-B and P-C

File; AE calculations.xlsx
Spreadsheet; For grph; Data in columns B to H; highlighted in light gold

Fig. S10 Amount of G173 solar reference spectra absorbed and not absorbed (labeled as difference)
at different wavelength for the M samples calculated from the UV-visible-IR measurements undertaken initially

File; AE calculations.xlsx
Spreadsheet; For grph; Data in columns B and I to N; highlighted in light green

Table S15 Results of calculating AE(300-1350 nm) from the UV-visible-IR data. 
The initial, after 4 weeks storage and after exposure to SSL for 30 minutes has been used giving N = 9. 
In addition for M the calculated spectral data has been included (hence for M, N = 12). 
Means that do not share the same letter are significantly different (see analysis of variance section in SI)

File; Summarised AE and PE calculations.xlsx
Data for Table S15 in column K, ANOVA in columns V to AA; highlighted in light blue

Fig. S11 UV-visible-IR spectra for P-A and P-B samples after 30 minutes exposure to SSL.
All measured with a 10mm path length cuvette.P-B samples diluted 1 ml in 3 ml.

File; UV vis IR.xlsx
Data in Data spreadsheet; columns AD to AF and AJ to AL

Table S16  ?max and Hpeak values for P-A and P-B samples after 30 minutes exposure to SSL

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Fig. S12 UV-visible-IR spectra for P-C and M samples after 30 minutes exposure to SSL.
All measured with a 10mm path length cuvette.P-C samples diluted 0.6 ml in 3 ml.

File; UV vis IR.xlsx
Data in Data spreadsheet; columns X to Z and AP to AR

Table S17 ?max and Hpeak values for P-C and M samples after 30 minutes exposure to SSL. 
Note that for M samples only the position and height of the primary peak is shown

File; UV vis IR.xlsx
Data in Normalised 1350 -300 spreadsheet; lines 1055 to 1059

Fig. S13 P-A after SSL amount of reference spectra absorber / not absorbed

File; AE calculations.xlsx
Data in For grph spreadsheet; columns B, BK to BP; highlighted in pea green

Fig. S14 P-B after SSL amount of reference spectra absorber / not absorbed

File; AE calculations.xlsx
Data in For grph spreadsheet; columns B, BQ to BV; highlighted in blue

Fig. S15 P-C after SSL amount of reference spectra absorber / not absorbed

File; AE calculations.xlsx
Data in For grph spreadsheet; columns B, BW to CB

Fig. S16 Mixture M after SSL amount of reference spectra absorber / not absorbed

File; AE calculations.xlsx
Data in For grph spreadsheet; columns B, BE to BJ; highlighted in pink

Table S18 Size analysis from TEM micrographs after 30 minutes SSL exposure

In TEM folder;
File; measurements(TEM).xlsx; data spreadsheet
Summarised data in rows 9 to 13, Columns V to AO; highlighted in light orange


Licence: CC-BY

Related projects:

Thermal performance and physicochemical stability of silver nanoprism-based nanofluids for direct solar absorption 
Kimpton, H., Cristaldi, D.A., Stulz, E., Zhang, X., 2020.Solar Energy, 199, 366-376,
https://doi.org/10.1016/j.solener.2020.02.039

Decarbonising heating and hot water using solar thermal collectors coupled with thermal storage: The scale of the challenge.
Kimpton, H., Zhang, X., Stulz, E., 2020. Energy Reports, 6, 25-34, https://doi.org/10.1016/j.egyr.2020.02.024

Date that the file was created: August, 2020