Photovoltaic cells and DSSCs questions

IB Chemistry: Photovoltaic cells and DSSCs questions

1. (a) Explain why metals are good conductors of electricity whereas non-metals (other than graphite) are poor conductors of electricity.(b) Explain how adding small amounts of gallium and arsenic to silicon improves the efficiency of the photoelectric effect.2. The table below shows the wavelength of maximum absorbance for three named compounds together with their molecular formulas.*The full structural formula of β-carotene...

To access the entire contents of this site, you need to log in or subscribe to it..

Click the free stuff button on the home page to access free pages or check the blog (which is also free).

All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you.