keronex.blogg.se - Solarcell heated greenhouse

1901 - Philipp von Lenard observes the variation in electron energy with light frequency.1899 - Weston Bowser receives patent US598177, "S olar storage.".

1897 - Harry Reagan receives patent US588177, " Solar cell.".1894 - Melvin Severy receives patent US527377, " Solar cell," and US527379, " Solar cell.".1888-91 - Aleksandr Stoletov creates the first solar cell based on the outer photoelectric effect.1888 - Edward Weston receives patent US389124, " Solar cell," and US389125, " Solar cell.".1887 - James Moser reports dye sensitized photoelectrochemical cell.1887 - Heinrich Hertz investigates ultraviolet light photoconductivity and discovers the photoelectric effect.1883 - Charles Fritts develops a solar cell using selenium on a thin layer of gold to form a device giving less than 1% efficiency.'The action of light on selenium,' in "Proceedings of the Royal Society, A25, 113.

1877 - William Grylls Adams and Richard Evans Day observed the photovoltaic effect in solidified selenium, and published a paper on the selenium cell.

1874 - James Clerk Maxwell writes to fellow mathematician Peter Tait of his observation that light affects the conductivity of selenium.

1873 - Willoughby Smith finds that selenium shows photoconductivity.

1839 - Edmond Becquerel observes the photovoltaic effect via an electrode in a conductive solution exposed to light.

Edmond Becquerel created the world's first photovoltaic cell at 19 years old in 1839.