A unified schematic visualization of Si solar cell technologies as well as tandem interconnection schemes (2, 3, 4 terminal) with industrial relevance is presented based on a comprehensive literature review.

A document by Christian Hagendorf. Click on the document to view its contents.

A document by Christian Hagendorf. Click on the document to view its contents.

A document by Christian Hagendorf. Click on the document to view its contents.

The temperature has a large impact on the rate of a chemical reaction. For photoelectrochemical water splitting it has been shown that the photocurrent of a tungsten oxide anode increases by 64 % in a temperature interval of 25 to 65 °C. Photoelectrochemical cells are usually not equipped with systems for active temperature control. This limits the reliability of measurement data, especially for long measurements under illumination (e.g., impedance spectroscopy). Insufficient comparability of materials is an obstacle for development and application of photoelectrochemical modules.

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The positive drift at the end of nanoindentation P-h plot in case of hard titanium diboride (TiB2) films was ascribed to swelling taking place due to strain gradient plastic deformation with the sample contacting the indenter. The indentations performed at lower loads based on the positioning however suffered resistance towards any plastic deformation as per GTN theory. Although the formation of nanocrystallites inside larger grains were observed, indentation performed at grain boundaries or area having comparatively lower atomic density caused plastic deformation.

A document by Helen Payne. Click on the document to view its contents.