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| Graphene based camera sensor [Credit: NTU] |
But not anymore!!
A team of researchers at the Nanyang Technological University (NTU) in Singapore have developed a 'graphene' based sensor that is 1,000x more sensitive to light than the imaging sensors of most of today's cameras.
The new sensor is highly sensitive to both visible and infrared light, which means it could be used in everything from ordinary cameras to surveillance and satellite cameras. And will eliminate the use of flash in cameras of the future.
The inventor of the new sensor, Wang Qijie, an assistant professor at NTU's School of Electrical and Electronic Engineering, said this is the first time that a broad-spectrum, high photosensitive sensor has been made using pure graphene.
Wang said the key to his new sensor is the use of "light-trapping" nano-structures that use graphene as a base. The nano-structures hold onto light-generated electron particles for much longer than conventional sensors.
Wang said the key to his new sensor is the use of "light-trapping" nano-structures that use graphene as a base. The nano-structures hold onto light-generated electron particles for much longer than conventional sensors.
( via Tech News )
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