This readme file was generated on [2024-07-09] by Takashi Lawson

GENERAL INFORMATION
Title of Dataset: Research data supporting 'The Influence of Electron Donors on the Charge Transfer Dynamics of Carbon Nanodots in Photocatalytic Systems'

Author/Principal Investigator Information
Name: Dr. Alexander Gentleman
ORCID: 0000-0003-3830-2488
Institution: University of Cambridge
Address: Department of Physics, Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE, UK.
Email: asg63@cam.ac.uk 

Date of data collection: November 2019 – June 2022
Geographic location of data collection: Cambridge, UK.

Information about funding sources that supported the collection of the data: This work was supported by the EPSRC (EP/T02030X/1, EP/L015978/1), the Royal Society and Tata Group (UF150033), the Leverhulme Trust (RPG-2018-256), the Winton Program for the Physics of Sustainability, and the Isaac Newton Trust. The work has received funding from the European Research Council under the European Union’s Horizon 2020 research and innovation program (HYPERION, grant agreement no. 756962; PEROVSCI, 957513). 

SHARING/ACCESS INFORMATION
Licenses/restrictions placed on the data: CC BY 4.0
Links to publications that cite or use the data:
Links to other publicly accessible locations of the data: N/A
Links/relationships to ancillary data sets: N/A
Was data derived from another source? No
Recommended citation for this dataset: Macpherson et al. (2024). Research data supporting 'The Influence of Electron Donors on the Charge Transfer Dynamics of Carbon Nanodots in Photocatalytic Systems'. Apollo - University of Cambridge Repository.

DATA & FILE OVERVIEW
txt and csv files can be opened with any text editor.

File List & Descriptions: 

Fig1a.csv file contains data for: wavelength (nm) and photoluminescence counts for NgCNDs (black), NgCNDs and EDTA (0.1 M, pH 6.0), and NgCNDs and AA (0.1 M, pH 4.5) under continuous wave excitation (400 nm) at room temperature (298 K).

Fig1b.csv file contains data for: time (ns) and normalised photoluminescence counts collected by time-correlated single photon counting (TCSPC) curves for the same samples as Fig1a under pulsed excitation (404 nm).

Fig1c.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution, and with added EDTA (pH 6.0) and AA (pH 4.5), under 400 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig1d.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution, and with added EDTA (pH 6.0) and AA (pH 4.5), under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig2a.txt file contains data for: three-dimensional transient absorption measurements (wavelength (nm), time (ns), milli optical density) for NgCNDs in aqueous solution with ascorbic acid (0.1 M) and methyl viologen (4 microM).

Fig2b.txt file contains data for: three-dimensional transient absorption measurements (wavelength (nm), time (ns), milli optical density) for NgCNDs in aqueous solution with ascorbic acid (0.1 M) and methyl viologen (40 microM).

Fig2c.txt file contains data for: three-dimensional transient absorption measurements (wavelength (nm), time (ns), milli optical density) for NgCNDs in aqueous solution with ascorbic acid (0.1 M) and methyl viologen (400 microM).

Fig2d.csv file contains data for: wavelength (nm) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with ascorbic acid (0.1 M), extracted at a pump-probe delay of 100 microseconds, for varying methyl viologen concentrations.

Fig2e.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with ascorbic acid (0.1 M), under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig2f.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with ascorbic acid (0.1 M), under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm). 

Fig3a.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with ascorbic acid (0.1 M) at various pH, under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig3b.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with ascorbic acid (0.1 M) at various pH, under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig3d.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with ascorbic acid (0.1 M) and TCEP (at various concentrations - 0 mM, 10 mM and 100 mM), under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig4a.txt file contains data for: three-dimensional transient absorption measurements (wavelength (nm), time (ns), milli optical density) for NgCNDs in aqueous solution with EDTA (0.1 M) and methyl viologen (120 microM).

Fig4b.csv file contains data for: time (ns) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with EDTA (0.1 M) and methyl viologen (0, 12, 120 microM), under 355 nm pulsed excitation. Spectrally averaged (530 – 770 nm).

Fig4c.csv file contains data for: wavelength (nm) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with EDTA (0.1 M) and methyl viologen (12 microM), extracted at various pump-probe delays (0, 1, 100, 10000, 100000 ns).

Fig4d.csv file contains data for: wavelength (nm) and normalised milli optical density by long-time (ns – ms) transient absorption measurements for NgCNDs in aqueous solution with EDTA (0.1 M) and methyl viologen (120 microM), extracted at various pump-probe delays (0, 1, 100, 10000, 100000 ns).