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Green Limerick: Eco-Friendly Energy Breakthrough

Limerick Researchers Make Green Energy Breakthrough with Amino Acid-Powered Crystals

Scientists at the University of Limerick (UL) have developed a revolutionary technique to grow organic crystals that could revolutionize the way we generate electricity. This innovative method utilizes amino acids, the building blocks of proteins found naturally in our bodies, to create piezoelectrics – materials capable of generating a voltage when subjected to pressure.

"The versatile moulding technique that we have developed is a low-cost, low-temperature growth method, that opens the path to phase in biomolecular piezoelectrics as high-performance, eco-friendly alternatives to currently used ceramics," explained Krishna Hari, the lead author and PhD student behind the project.

This route could usher in a new era of sustainable electronics, free from the environmental hazards posed by lead, a common ingredient in conventional piezoelectrics.

"I am excited to see if this takes off as a methodology for other people working in sustainable piezoelectrics.

There are EU regulations around the use of lead, but piezoelectrics are one of the last remaining mainstream technologies allowed to contain this substance because there is no high-performance alternative,” said Associate Professor Sarah Guerin, who received a prestigious European Research Council (ERC) starting grant for the "Pb-FREE: Piezoelectric Biomolecules for Lead-Free, Reliable, Eco-Friendly Electronics" project.

Previous research by Guerin’s team utilized predictive computer models to identify how much electricity various biological materials could generate under pressure. Importantly, the winning amino acids generate ample voltage for applications in consumer electronics and medical devices.

Think of a tiny disc pressed between your fingers; as it’s squeezed, it generates a voltage that can be amplified and used to charge your phone or power a medical sensor.

The UL team’s breakthrough lies in their ability to shape these piezoelectric crystals into custom designs using silicon molds, opening possibilities for a wide range of devices – from medical implants to car sensors.

The implications are vast. Every year, approximately 4,000 tons of electronics containing lead-based piezoelectrics end up in landfills. This research offers a hope to move away

from these harmful materials and towards a more sustainable future.

Link to original article: http://www.fitzgeraldskiphire.ie

## Amino Acid ‌Crystals: A Limerick Breakthrough for Sustainable Electronics

**innovative research at the university of Limerick (UL) is making waves in the field ⁤of green technology. scientists have developed a method to grow organic crystals powered by amino acids, paving the way for lead-free piezoelectrics—materials that generate electricity under pressure. this breakthrough not onyl offers a sustainable alternative to customary lead-based piezoelectrics but also holds immense potential for various applications, from‍ consumer electronics to medical devices.**

To delve deeper into this exciting growth, we spoke with two​ key figures in the research​ team: Krishna Hari, the ‌lead author and PhD student behind the project, and Associate Professor Sarah Guerin, who secured a prestigious⁢ European Research ‍Council (ERC) ‍starting grant ⁢for the⁤ “Pb-FREE: piezoelectric Biomolecules for Lead-Free,⁢ reliable, Eco-Amiable⁣ Electronics” project.

**The Promise of Amino Acid-Powered Piezoelectrics**

***

**World Today News:** Krishna, yoru research focuses on utilizing amino acids to ‌create ⁣piezoelectric crystals. Can you ‌explain the significance of this finding?

**Krishna Hari:** Our research marks a paradigm shift in ‍piezoelectric technology. We’ve developed a‍ technique to grow crystals from amino acids, the building blocks of proteins naturally ⁤present in⁣ our ⁣bodies.

This method is not only environmentally friendly as it ‍avoids harmful lead but it’s also cost-effective and ‍scalable.

**World Today News:** Sarah, your ERC grant underscores the importance of this research. What are ⁢some of the major challenges traditional piezoelectrics pose, and how does⁢ this discovery address those concerns?

**Sarah Guerin:** ⁢Lead-based piezoelectrics are incredibly ‍efficient, but they come with importent⁣ environmental and ‍health risks. Lead is toxic, and its disposal in landfills poses a serious threat. The​ EU has regulations limiting lead use, but piezoelectrics have been granted an ‌exemption⁢ due⁣ to the lack of viable alternatives.

our discovery offers a powerful solution.⁣ Amino acid-based piezoelectrics provide a high-performance, eco-friendly alternative that can overcome these‍ challenges.

**Customizable Crystals for Diverse Applications**

***

**World⁣ Today News:** Krishna, you mentioned the versatility of your growth method. can you elaborate on the​ potential applications of these customizable crystals?

**Krishna Hari:** The beauty of our technique lies ​in its ability to mold these crystals into custom shapes‍ using silicon‍ molds. This opens up a‌ world of possibilities.

Imagine tiny piezoelectric discs integrated ⁣into wearables to harvest ⁣energy ‍from human movement, or sensors ​embedded ​in car tires to monitor⁤ tire pressure and⁣ road conditions. The applications are truly vast.

**World Today News:** Sarah, can you predict how this technology might impact specific industries in the​ near future?

**Sarah Guerin:** I ⁢believe this has the potential to revolutionize the medical device industry.

Imagine self-powered pacemakers or prosthetic limbs that‌ harness the energy from a patient’s movements, eliminating the need for bulky batteries.

**A Sustainable Future powered‍ by Biology**

***

**World⁤ Today News:** What are⁤ the next steps for your team?

**Krishna Hari:** Right now, we’re focused on optimizing the efficiency of our crystals and‍ exploring new amino acid candidates.

We’re also ​working with industry partners to translate‌ our lab findings into real-world ⁣applications.

**world Today News:** ‍Sarah, looking ahead, what ⁤is the overall significance of this research for the field of green technology?

**Sarah Guerin:**

“This ​research⁤ is a testament to the power of biomimicry – learning from nature ⁣to create sustainable solutions.” Our⁤ discovery demonstrates that we can harness the inherent properties of biological⁣ materials ​to develop high-performance technologies that are good for both people and the planet, paving the way for a truly sustainable future.”

**This groundbreaking research ⁣offers a glimpse into a future where bio-inspired‌ technology fuels sustainable innovation. By ‍harnessing the power of nature, scientists at the⁤ University⁢ of Limerick are pushing the boundaries of what’s possible‍ and reminding us of the unbelievable potential for a greener tomorrow.**

**Stay tuned to world-today-news.com for‌ updates on this exciting development!**

**Interested in learning more about⁣ green technology? Check out our previous articles ‌on:**

* **Solar Power Breakthroughs**

* **The Rise of Sustainable Transportation**

* **Bioplastics:​ A Solution to Plastic Waste**

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