Sunday 9 March 2014
- an individual project by Clare Tan, 2013-14912

Two silicon wafers met, as if forced to be together by some unconcerned engineer. He was a pessimistic sort of guy, (having been scarred by phosphorus in the past). Too many electrons weighed down on him, with nowhere to go and no one to accept them. They called him the N-type doped silicon, N for short.
She on the other hand, was carefree and blithe. She had blessings and boron atoms, dreams of the future and gaps still waiting for someone to fill them. She was P-type doped silicon, but her enemies called her P.
They were two semiconductors, forced by the impurities of life to be something more than themselves. Do opposites attract? They could only say yes. There is no freedom where the laws of physics are concerned.
And they tried, of course. At first, it seemed like everything was perfect. She was light enough to take away all his problems, free enough to carry all his hang-around electrons. She had holes in her heart that only he could fill. They were meant for each other like pieces of a puzzle – it should have been alright.
It should have been alright.
But the problems came. The more problems he gave her, the less energy she had to take in more. And there were always more.
They were changing. She was becoming negative. And he had been forced to be positive in return, trying to help her but never really being able to in the end.
Things cascaded downwards until nothing could turn them back, and everything was forever happening in the wrong direction. There was an electric barrier in the air, brought about by the ever sharpening differences in their personalities.
And when sometimes, a ray of light would hit – some crisis would occur to shake up what was becoming a slow road to middle-aged couple unhappiness – he would try to take the problem all on himself. He would do that, and try to make sure all the good things – the extra money, etc. – went to her. Because really, she was too negative to take any more, and in his heart, he knew that had been his fault.
But life wasn’t meant to work that way – all pain and no joy. Secretly she wanted to help him too, to share things with him again, if only she could.
Thankfully, that’s when therapy came in.
Therapy is a bit like having a big metal conductor attached to both sides of the couple – you find someone else to help you get around that electric barrier in between. And through that third person, they would find small ways to help each other out – to share both the good things and the bad. A small current began to flow – granted it was a less than 50% efficient current, it was still there.
Together, they had become something more than themselves, something they had always been meant to be.
Together, they had become a solar cell.

References:
(Note: this is a work of fiction, so I did not include citations. However, I would like to thank the following sources for helping me understand solar cells better)
Aldous, Scott & Toothman, Jessika, 2000. How Solar Cells Work. How Stuff Works. http://science.howstuffworks.com/environmental/energy/solar-cell.htm. March 1, 2014

Knier, Gil, 2002. How Do Photovoltaics Work? NASA Science News. http://science.nasa.gov/science-news/science-at-nasa/2002/solarcells/. March 1, 2014

“The Power of the Sun - The Science of the Silicon Solar Cell.” YouTube. Flash video file. http://www.youtube.com/watch?v=u0hckM8TKY0  March 9, 2014

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