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Solar Cells Science Project

Hi, my name is ingmar bruder. im a research scientist in basf. So BASF is the largest chemical company in the world and our business segments are plastics and performance chemicals as for example coatings or functional polymers, functional solutions, as for example construction chemicals and certainly agricultural, and oil and gas. So in the year 2050 is expected that about.

Nine billion people will live on this planet and most of them want to be mobile and the question is how to find a way to ensure mobility in a sustainable and a cost efficient way and one possibility could be to invent cars which drive by electric engines. So what we’re doing in BASF is we are developing organic photovoltaics, organic solar cells, and since this is a very complex topic.

A lot of people from different professions have to work together for example chemists, quantum chemists and physicists. So since we are a chemical company and we will sell materials, chemicals, in the end of the day which can be used to produce organic solar cells we need additionally partners from industry or from academia, to make systems, to make complete organic photovoltaic systems.

Traditional solar cells are made mainly out of silicon and the reason for that is that it can be processed very well, it conducts very well, and it absorbs light in the right optical range. Here in these labs, my team and myself we are developing organic photovoltaic devices and basically one of these devices you can see here and.

This type of solar cell was also used in the smart forvision So the main difference between solar cells based on inorganic materials for example silicon and organic solar cells is that here dyes are used to convert light into electricity And BASF has knowledge or a lot of knowhow of about over 140 years.

In inventing in creating new dyes and what we did here is to invent a new dye class which can convert light into electricity and the big advantages of these solar cells are that they can be produced very cheap, in a very cheap and easy way. You can produce them in any color basically you want to have and they are transparent. So basically what you’re seeing here.

Are different organic solar cells. you see if they’re made out of different colors different dyes and they are running a helicopter as a demonstrator but certainly this is a demonstrator and for future applications you want to power real devices and how that might look like you can see here. So basically that’s a mobile phone charger powered by organic transparent solar cells.

Basically here you see my blackberry and i can put it here on the charger and you can see here the clock appears which means that my blackberry is charged at the moment. So if you want to design the perfect solar cell it should be black because certainly a black color is absorbing all the visible light However with organic solar cells we can produce any color you want to have for aesthetic reasons So if you’re buying nowadays solar cells for your house.

Solar Electrical Experiments

I finally jumped on the bandwagon and got a pair of solar panels. so, now that weve got access to free, and virtually unlimited amounts of electricity, lets hook them up and experiment, with some of the things they can do. To start this project, I got a couple of 100watt solar panels from verengosolar . Heres a closeup of the panel so you can see just how intricate the silicone wafers, and contact grids really are. This panel converts sunlight into about 100 watts of electricity, which.

Is about 2.5 times more power then i get from the handcrank charger i made in a previous project. Not only do the panels make far more electricity, theyre a lot less work to operate. Now I spliced the cables and added red and black alligator clips for convenience, then tried hooking it up to my hydrogen generator. You might remember this awesome piece of equipment from another project tutorial, which can turn ordinary tap water, into a powerful, OxyHydrogen gas. When this fuel is burned, it turns right back into water. So this could.

Be used as an environmentally friendly fuel, but i mainly just use it for shooting bottle rockets. Now this solar powered gas production is a little bit slower than if we hooked it straight to a car battery, but in a way thats kind of good. Because with lower amperage, the generator, can seemingly run forever, without overheating. And because were using solar panels to generate the gas, the system is completely off the grid. Electricity is free, and virtually unlimited as long as the sun keeps shining. Just for fun lets.

Try adding another panel, in parallel, to double up the amperage. which you can see, kicks the production up significantly. Now to capture the gas, all we need to do, is unscrew the cap of a full water bottle, and dip it upside down in another bowl of water. The bottle stays full, as long as it doesnt get pulled out, and if we bubble the gas up from the bottom, itll eventually force all the water out, and leave the bottle completely full, of hydrogen and oxygen gas. Now to test the power of hydroxy gas, lets touch a.

Flame to the mouth of the bottle and see what happens. incredible power. alright, lets disconnect the hydrogen generator and see what we can try next. I stopped by a local hardware store and picked up this 500 watt power inverter for only $33.00. So why dont we try hooking it directly to one of the panels. You can see the inverter has a USB port built right into it, which means weve got the ability to charge any USB powered device, including our smartphones. One panel is enough to charge a car battery as well. So if theres.

Ever an emergency, all we need to do is hook the inverter to the battery, and now we can do all kinds of neat things. Like power a small radio to listen for emergency broadcasts. This will also charge batteries for electronics, and power tools, so we can still build, just about anything we need. For this next experiment, I found an old piece of steel wire from the back of a picture frame, and if we try connecting the leads to a piece of that, you can see that in an instant, the wire gets so hot it melts. Now if weve got that kind of power,.

Lets take it one step further by touching the electrified wire, to a pile of leaves. Not surprisingly, it starts smoking, and bursts into flames in just a matter of seconds. Well, its always good to know different ways, of getting a fire started without matches. Especially if means, you can avoid rubbing sticks together. Now to finish up, let me show you one interesting thing I noticed during the hydrogen generator experiment. This lead makes an unusually juicy spark every time I touch the terminal. So for one final experiment,.

Lets try drawing the arc out. impressively, it looks like we can stretch this arc at least a couple of millimeters, and even hold it for a few seconds. Now this stream of electrified plasma is dangerously hot. Which you may have figured out already, because of the molten copper metal that seems to be sparking out everywhere. What really blows my mind is that all this incredible electrical energy is coming from the sun, absolutely free of charge. Well now you know how to use solar energy, to make earthfriendly fuels, power household devices,.

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