8 results found for materials

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01:02:00

Developing new solar cells – cheaper, or more efficient?

by Neil Greenham
Developing new solar cells – cheaper, or more efficient?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 1034 views
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Using solar cells to convert sunlight to electricity is an attractive way to reduce carbon emissions, but solar cells are still too expensive to be installed on the scale required. The next generation of solar cells aim to solve this problem using st....

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01:06:00

Sustainable materials: with both eyes open

by Julian Allwood
Sustainable materials: with both eyes open
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 1545 views
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One third of the world's carbon emissions are emitted by industry. Most industrial emissions relate to producing materials, and steel and cement are by far the most important contributors. The industries that make materials are energy-intensive, so h....

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01:01:00

Carbon electronics

by Ravi Silva
Carbon electronics
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 1030 views
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From structure and topology, to mechanical and electronic properties, a seemingly simple change in bonding between carbon atoms can conceive a plethora of material types. With diamond and graphite known since antiquity, better understanding of the sy....

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01:06:00

Sustainable materials: with both eyes open

by Julian Allwood
Sustainable materials: with both eyes open
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 1058 views
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Dr Julian Allwood is leader of the Low Carbon Materials Processing Group in the Department of Engineering at the University of Cambridge.  One third of the world's carbon emissions are emitted by industry. Most industrial emissions relate to produci....

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00:30:00

Dream to reality?

by Susan Mossman
Dream to reality?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 813 views
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Plastics pioneers had great aspirations for their new materials. Roland Barthes called plastics “a miraculous substance . . . a transformation of nature”. Serendipity, careful experimentation and entrepreneurial skills have all played significant....

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01:00:00

Plastic Electronics.

by Donald Bradley
Plastic Electronics.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 954 views
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Plastics have become ubiquitous structural materials due to the ease with which they can be processed at low cost into complex shapes. Imagine a world in which metals and semiconductors have similar attributes ? that is the world of Plastic Electroni....

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01:03:00

Plastic fantastic: electronics for the 21st century

by Richard Friend
Plastic fantastic: electronics for the 21st century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 952 views
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Plastics - or, more correctly, polymers have traditionally been used by the electronics industry as passive materials. Now however, new types of polymers have been discovered which behave as semiconductors. For example, they can emit light when subje....

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01:16:00

Raman Microscopy, Pigments and the Arts/Science Interface

by Robin Clark
Raman Microscopy, Pigments and the Arts/Science Interface
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1120 views
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Raman spectroscopy is a light scattering technique primarily used in the characterisation of vibrational modes of molecules and therefore in assessing the structure and composition of materials.

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