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Details of Grant 

EPSRC Reference: EP/D058066/1
Title: The investigation of the chemistry of multiphotochromic systems for molecular logic gate
Principal Investigator: Mehl, Professor G
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Physical Sciences
Organisation: University of Hull
Scheme: Standard Research (Pre-FEC)
Starts: 15 May 2006 Ends: 14 May 2008 Value (£): 149,286
EPSRC Research Topic Classifications:
Chemical Structure
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
This research programme has the objective to prepare and investigate molecular systems, which can be used as logic gates. The positioning of several photochromic systems within a molecular system, designed so that they can be switched on and off sequentially and independently is planned. The different states of the photochromic groups modulate in turn in a controlled manner the extension of pi-electron systems and their associated properties, such as absorption maxima and extinction coefficients in the UV, visible and near IR region. Systems where the pi-electron systems can be extended shortened or rerouted using two or more switches (equivalent to on/off) fulfil the fundamental requirements for light operated molecular logic gates. The most advanced embodiment would be the formation of optically reprogrammable micro-electronic routers, logic gates or field effect transistors. The basis for all this is the investigation of the photochemistry of such systems and the design of suitable materials. This is the intention of the envisaged research proposal.
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Organisation Website: http://www.hull.ac.uk