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Thesis

The surface chemistry and interface engineering of lead sulphide colloidal quantum dots for photovoltaic applications

Abstract:

This thesis examines the effect of lead sulphide (PbS) CQDs’ surface chemistry and interfaces to their photovoltaic performance.

Using PbS CQDs as the starting material, cation-exchange was utilised to form PbS/CdS core/shell CQDs, which were thoroughly characterised and the improved surface passivation was shown by increased photoluminescence yield and lifetime. The core/shell CQDs were incorporated into a ZnO/CQD heterojunction solar cell device and showed a substantial improveme...

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Department:
Materials department, University of Oxford

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Role:
Supervisor
Role:
Supervisor
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford

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