When we imagine solar panels, we think of hard rectangle frames, sitting upright on roofs, or spread out across expanses of deserts.

But imagine flexible, bendy solar panels, supple enough to skin a curved roof, pliable enough to be rolled up and transported easily. Lightweight enough to be a thin film for the roof of a tent. And portable enough to be rolled out to generate power for emergency relief operations, or taken into remote areas.

Printable solar materials that will allow all of this is closer than we think. Victoria University associate professor Justin Hodgkiss, lead researcher in a MacDiarmid Institute project investigating the possibilities presented by ‘printable photovoltaics’, says they will be low cost and could replace silicon as the next generation of photovoltaic (solar energy) materials.

“Silicon cells are getting cheaper but still require a high-temperature, high vacuum manufacturing process. For solar energy to be really accessible it needs to be much cheaper and faster to manufacture.”

He says these printable semiconductors, including polymers and nanoparticles, can potentially be manufactured on a roll, cutting production costs.

“Their ease of transport and light weight also mean it is feasible for these to be manufactured in New Zealand and shipped anywhere in the world.”

Read more at: https://thespinoff.co.nz/science/03-10-2017/black-bendable-lightweight-and-cheap-inside-the-coming-solar-panel-revolution/

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