IIT Guwahati Innovates Low-Cost Printed Perovskite Photodetector with High Potential in Healthcare and Energy Fields
IIT Guwahati has developed an innovative, low-cost printed perovskite photodetector that holds significant potential for transforming both the healthcare and energy sectors. Check details here
IIT Guwahati Innovates Low-Cost Printed Perovskite Photodetector
Researchers at the Indian Institute of Technology (IIT) Guwahati have developed an innovative and cost-effective photodetector utilizing advanced materials and cutting-edge techniques. This breakthrough technology, which combines formamidinium perovskite with plasmonic nanoparticles, significantly enhances light detection capabilities. The new photodetector shows promising applications in healthcare diagnostics, environmental monitoring, and the solar energy sector.
The research, published in ACS Applied Materials & Interfaces, was led by Prof. P. K. Giri from the Department of Physics, along with his research scholars Debabrata Sahu, Subhankar Debnath, and Sirsendu Ghosal at IIT Guwahati.
Perovskite Photodetector
A photodetector is a vital device that detects light and converts it into electrical signals, serving as a key component in technologies like cameras, medical imaging systems, environmental sensors, and communication networks. Perovskites, renowned for their superior light-absorbing capabilities, are ideal materials for photodetectors, solar cells, and other light-harvesting applications. The formamidinium-based perovskite used in this research is noted for its enhanced stability and high efficiency in converting light into energy.
However, improving its light absorption and electrical performance while maintaining low production costs has remained a significant challenge. The team used a specialised microprinting technique to precisely arrange the silver nanoparticles, improving the device's sensitivity while making the manufacturing process scalable and economical. The photodetector remains stable under normal environmental conditions, ensuring durability for practical applications across various industries.
This innovative photodetector has the potential to revolutionize multiple industries by enhancing medical imaging, improving the accuracy of environmental monitoring, and increasing solar energy efficiency, all while being produced cost-effectively. It opens the door to broader real-world applications and offers solutions to critical global challenges.
Speaking about the research, Prof. P. K. Giri, said, “Our goal was to create a photodetector that is not only highly efficient but also affordable and durable for real-world applications. By incorporating 2D printed plasmonic nanoparticles into the design, we have significantly enhanced the device’s performance while ensuring scalability and cost-effectiveness.”
Q: What is it like to study in IIT Guwahati?
IIT Guwahati is the sixth IIT has been ranked 7 under the Engineering category. The institute offers excellent on-campus accommodation for its candidates. IIT Guwahati has modern infrastructure with well-equipped classrooms, libraries, laboratories, and other facilities to support learning and research activities. As per students reviews on Shiksha, the faculty members are well-educated and supportive.The institute offers a wide range of undergraduate, postgraduate, certificate and doctoral programmes across various streams. IIT Guwahati mechanical department has been given a lot of awards for having a high passing percentage of students. Its placement statistics are also good enough. The average package is around 10 to 15 LPA with top recruiters being TATA, Mahindra, Bajaj, and others.
Q: Is IIT Guwahati good for BTech?
NIRF ranked IIT Guwahati 7 under the “Engineering” category in 2023. According to media reports, a total of 712 students were placed till Dec 6 during IIT Guwahati placements 2024. Further, the highest international and domestic package offered during IIT Guwahati placements 2024 stood at INR 2.05 Crore per annum and INR 1.20 Crore per annum, respectively.
Q: Is it worth pursuing Ph.D. at IIT Guwahati?
Is It Worth Pursuing a PhD at IIT Guwahati?
Here's a summary of what current students and alumni have to say:
# Infrastructure and Facilities
* Good infrastructure and facilities, including well-maintained laboratories and libraries
* Hostel amenities include a separate mess, canteens, and medical facilities
* Sports facilities are available, and physical fitness is promoted
# Faculty and Teaching Quality
* Helpful, well-qualified, and knowledgeable professors
* Teaching quality is good, and professors make efforts to explain complex concepts
* Faculty is approachable, and students appreciate their guidance
# Placements and Internships
* Around 70% of students are placed, with packages ranging from INR4 LPA to INR13 LPA
* Top recruiters include Wipro, Microsoft, and Google
* About 75% of students get internships, and some receive stipends
* Research-oriented roles are also available
# Course Curriculum and Relevance
* Curriculum is relevant to the industry, making students "industry-ready"
* Courses are designed to promote problem-solving skills and critical thinking
# Student Life and Support
* Aesthetic hostels with comfortable living conditions
* Availability of extracurricular activities, including festivals and events
* Strong sense of community among students
Overall, while individual experiences may vary, IIT Guwahati seems to offer a supportive environment, good infrastructure, and strong faculty-student relationships. However, it's essential to weigh these benefits against personal goals and expectations before making a decision.
Remember to consider factors like research opportunities, funding, and career prospects when evaluating the program's suitability for your needs.
If you're still unsure, we recommend reaching out to the university directly or speaking with current students or alumni to gain a deeper understanding of their experiences.
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Sanjana Surbhi has over five years of experience in the online education sector. Drawing from her tenure with ed-tech companies, she infuses her work with a wealth of knowledge from the education realm, lending an i... Read Full Bio
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