School of Mathematics and Natural Sciences

Photogalvanic Cells

Photogalvanic Cells are resemble regular galvanic cells. One of the half-cells is assembled using a photoelectrode, and this electrode needs to be irradiated with light in order to generate electricity.

Assembly of a titanium dioxide photoelectrode

Creation of a titanium dioxide photo elektrode

In this video, the assembly of a photoelectrode from FTO glass and titanium dioxide is shown step by step - from the required materials to the application of the titanium dioxide layer to sintering on a hotplate.

To the Video (German)

Assembly of a photogalvanic 2-Pot-Cell

The assembly of a photogalvanic Two-Pot-cell, which is similar to that of a daniell cell, is show in this video. At the end of the video, it is also shown, that the assembly is photosensitive, by irradiating the photoelectrode with light from a torch.

To the Video (German)

Assembly of a photogalvanic 1-Pot-Cell

In this video the assembly and operation of a photogalvanic cell on the basis of titanium dioxide is shown in a 1-pot-configuration.

To the Video

Assembly of a photogalvanic compact cell

In this video the assembly and operation of a photogalvanic compact cell is shown.

To the Video

Directions on photosesibilisation

The video shows, how a photoelectrode based on titanium dioxide can be sensitized using substances derived from natural products.

To the Video

Operation of a motor using a photogalvanic compact cell

The video shows very shortly, how a photogalvanic compact cell powers a small motor when irradiated with uv light.

To the Video

Powering a Motor with a photogalvanic One-Pot-Cell

Powering a Motor with a photogalvanic One-Pot-Cell

The video shows how a motor is powered using a photogalvanic one-pot-cell while the cell is irradiated with light.

To the Video

With Raspberry Juice sensitized photogalvanic 1-pot-cell

With Raspberry Juice Sensitized Photogalvanic One-Pot-Cell

In the video a photoelectrode, sensibilized using raspberry juice is compared to one that hasn't been photosensibilized. The difference between both electrodes becomes apparent when irradiating them with red light.

To the Video

Photogalvanic 1-Pot-Cells with Flash Lights

Photogalvanic One-Pot-Cell with Flash Lights

In the Video a sensitized and a not sensitized photoelectrode are compared with one another when irradiated with different wavelength of light from LED flash lights.

To the Video

Compact Cells irradiated with Sunlight

Compact Cells in Sun Light

Several types of compact cells are shown that power a motor each when irradiated with sunlight. The duration the motor is running is dependent on the electrolyte and the make up of the cell.

To the Video

Assembly and Investigation of the Compact Cell (German Voice Over)

Preparation and Investigation of the Compact Cell

The assembly of a compact cell is shown and explained. The constructed cell is then investigated.

To the Video

Assembly and Investigation of a Compact Cell using a Gel Electrolyte (German Voice Over)

Preparation and Investigation of a Gel Compact Cell

The assembly of a compact cell using a gel eletrolyte on the basis of polyvinyl alcohol is shown and explained. The constructed cell is then investigated.

To the Video

Assembly and Investigation of two Compact Cells using a Gel Electrolyte each in a parallel setup (German Voice Over)

Preparation and Investigation of two gel compact cells connected in parallel

Two Compact Cells using a gel electrolyte are set up in parallel and their output is investigated.

To the Video

More information about #UniWuppertal: