Nano Energy

Fabrication and thermoelectric characterization of epitaxially grown nanowires suspended between two Si contacts made by Si micromachining processes.

The uploaded data are the data corresponding to Figure 2, Figure 5 and Figure 7 in the manuscript.

Data includes structural optimization (software: QUANTUME SPRESSO), effective mass calculation (software: EMC) and ZT processing data (software: OriginLab).

Charging/discharging characteristics of the TEG-MSC at various ΔT values.

CV, EIS, Raman, SEM, TEM, XPS, XRD.etc

materials

the data used in the manuscript are included. Please share it.

Supplementary files for article Ru nanoparticles supported on partially reduced TiO2 as highly efficient catalyst for hydrogen evolution. The development of low-cost yet highly efficient catalysts for hydrogen evolution reaction (HER) is crucial for large-scale clean and sustainable hydrogen production from water splitting. Tuning the interfacial structure of catalyst has emerged as an effective strategy to optimize the intrinsic catalytic activity. In this study, we demonstrated the deposition of Ru nanoparticles by freshly prepared strong reductive Ti(III) oxide, resulting in Ru/reduced TiO2 interface with oxygen vacancies. The as-prepared Ru/r-TiO2 exhibited a superior HER performance over commercial Pt/C in alkaline media, only with a small overpotential of 15 mV required to deliver the benchmark current density of 10 mA cm-2 and a high turnover frequency of 8.74 s-1 at an overpotential of 100 mV. Density functional theory calculation indicates that high electrocatalytic activity of Ru/r-TiO2 is originated from the promotion of water dissociation and weakening OH adsorption by reduced TiO2, which facilitates the conversion of water to H2. This work provides an efficient strategy for the design of high-performance HER catalysts.

Supplementary files for article Ru nanoparticles supported on partially reduced TiO2 as highly efficient catalyst for hydrogen evolution. The development of low-cost yet highly efficient catalysts for hydrogen evolution reaction (HER) is crucial for large-scale clean and sustainable hydrogen production from water splitting. Tuning the interfacial structure of catalyst has emerged as an effective strategy to optimize the intrinsic catalytic activity. In this study, we demonstrated the deposition of Ru nanoparticles by freshly prepared strong reductive Ti(III) oxide, resulting in Ru/reduced TiO2 interface with oxygen vacancies. The as-prepared Ru/r-TiO2 exhibited a superior HER performance over commercial Pt/C in alkaline media, only with a small overpotential of 15 mV required to deliver the benchmark current density of 10 mA cm-2 and a high turnover frequency of 8.74 s-1 at an overpotential of 100 mV. Density functional theory calculation indicates that high electrocatalytic activity of Ru/r-TiO2 is originated from the promotion of water dissociation and weakening OH adsorption by reduced TiO2, which facilitates the conversion of water to H2. This work provides an efficient strategy for the design of high-performance HER catalysts.

The zip folder contains the dataset for the publication “Surface potential tailoring of PMMA fibers by electrospinning for enhanced triboelectric performance”. The dataset is divided in folders containing the data used to generate each figure of the paper. Figure 1 folder contains SEM images of the fibers and the .xls file of the fiber diameter histogram. Figure 2 folder contains KPFM images of fibers, the images are both in .png and in the format compatible with NanoScope Analysis 1.9 software. Figure 3 folder contains rubbing KPFM images of fibres, the images are both in .png and in the format compatible with NanoScope Analysis 1.9 software. Figure 4 folder contains the voltage, current and power data of triboelectric devices built using the fibers. The data is saved in .xls format. Figure S2 folder contains the data of the XPS Oxygen1 and Oxygen2 spectra. Figure S3 folder contains the KPFM data of Au coated silicon wafer. The data is available as .png and in the format compatible with NanoScope Analysis 1.9 software. The line scan values of the KPFM image is in .xls format. Figure S4 folder contains the KPFM data of PMMA film. The data is available as .png and in the format compatible with NanoScope Analysis 1.9 software. The line scan values of the KPFM image is in .xls format. Figure S5 folder contains the rubbing KPFM data of PMMA film. The data is available as .png and in the format compatible with NanoScope Analysis 1.9 software. The line scan values of the KPFM image is in .xls format. Figure S6 folder contains the open circuit voltage and short circuit current data of the PMMA fibers and film in .xls format. Figure S7 folder contains the voltage, current and power data of triboelectric devices built using PMMA film. The data is in .xls format. Figure S8 folder contains the open circuit voltage and short circuit current data of the PMMA fibers under fatigue testing. The data is in .xls format. Table 1 folder contains the XPS data of PMMA fibers and film in .xls format.