The fact that the diode at its radiation by sunlight is capable to develop current is noticed long ago. In total that is also necessary: semiconductor, lens, couple of provodok and sensitive measuring device.
The diode is small and is interesting
Detection of this effect attracted broad interest both scientists, and amateur enthusiasts. But if the science quickly enough made sure of deadlockness of researches in this direction, then hotheads of fans of electrical equipment it is natural did not convince of anything.
Everyone at whom a number of light-emitting diodes was found in stocks, decided to try the luck in this field. Why light-emitting diodes? Yes just in them, already in good time, everything that is necessary for carrying out an experiment is collected.
Semiconductor couple with strictly certain range of excitement, a lens and wires for connection. Just wonderful research base. By result of radiation by light-emitting diode sunlight emergence of potential difference about 0.7 V. However, it becomes necessary to be stipulated at once that about current the speech practically does not go as it ischezayushche is small. The decision to which the traditional logic, extremely simply pushes. It is enough to increase potential difference, and then … only then, as a rule, in this case does not occur, and all problem that in process of assembly of such modules tension does not increase in proportion to quantity at all. On the contrary, losses increase in contacts more and more, and, moreover, a part of light-emitting diodes instead of, consuming light to produce electricity, begin to consume it and to radiate light. There are no methods of fight against this effect just. Thus, it was not succeeded to create still any really operating device for receiving the electric power by means of light-emitting diodes, despite of numerous attempts and experiments.
And still solar batteries
Solar batteries today not rarity. They are already rather widespread and in the West, and at us in the country. They massively are issued the industry and have quite satisfactory specifications. The solar batteries assembled on a uniform aluminum frame have power from 10 to 300 W and are focused on their use as a power source for accumulator charging. For obtaining necessary tension and the necessary power, solar batteries collect in special packages. It is necessary to refer durability to advantages of solar batteries – more than fifteen years of work. High resistance to the cyclic mode and also lack of need of service.