Dr. Stephen Fletcher

Professor

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Biography

Stephen Fletcher is a Professor of Chemistry at the University of Oxford, specializing in synthetic organic chemistry. His research group focuses on photonics, particularly in projects related to making synthetic retinal derivatives. The goal of the work is to determine the molecular prerequisites necessary for the fast, selective photoisomerizations observed in rhodopsin, which is essential for vision in vertebrates, and in bacteriorhodopsin, which plays a key role in the photosynthetic apparatus. The group is involved in synthesizing new rylene-based dyes and in building ‘functional nano-devices’ based on chiral, photoisomerizable monomers. These monomers can be polymerized to form light-sensitive materials that have a variety of potential applications in the field of photonics.

Research Interests

Requirements for University of Oxford

Master Program
Requirements
GPA Requirement
Required:3.7
IELTS
Listening
Required:7
Reading
Required:7
Writing
Required:7
Speaking
Required:7
Overall
Required:7.5
TOEFL
Listening
Required:22
Reading
Required:24
Writing
Required:24
Speaking
Required:25
Total
Required:110
Prerequisites
Bachelor's degree in Politics, International Relations, Economics, History, Law, Philosophy or Sociology
Application Checklist
  • Three academic references
  • Official transcripts
  • CV/Resume
  • Statement of Purpose (1,000 words)
  • Two academic essays (2,000 words each)
Specialization Notes

Department of Politics and International Relations - Higher Level English requirement.