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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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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author

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Role:
Supervisor
Role:
Supervisor
ASTAR PhD National Science Scholarship More from this funder
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
UUID:
uuid:3a23c635-992b-4e46-94d6-72c2aea61ce9
Deposit date:
2016-03-17

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