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Dr Dan Credgington

Dr Dan Credgington

Royal Society University Research Fellow

Fellow of Emmanuel College

Room 33, Kapitza Building
Cavendish Laboratory
JJ Thomson Avenue


Cambridge CB3 0HE
Office Phone: +44 (0)1223 337390

Biography:

Dan Credgington received his PhD from UCL in 2010, where he worked on nano-scale patterning and characterisation of conjugated organic molecules. He subsequently joined Imperial College London as a post-doc working on methods to measure the impact of recombination on the performance of organic solar cells, and the link between morphology and device function. In 2012, he joined the Cavendish Optoelectronics group, in collaboration with the commercial OLED developer CDT. In 2014 he took up a Royal Society University Research Fellowship focussing on understanding the behaviour of excitons within modern organic LEDs, and how they can be controlled. Within the wider Optoelectronics group his interests encompass organic and hybrid heterojunction solar cells and new electrode materials for organic devices. He is the Energy Materials theme coordinator for the Cambridge NanoDTC, a Cambridge Nanoforum fellow and an Official Fellow and College Lecturer at Emmanuel College.

Research groups

Optoelectronics:

Research Interests

Our group is focussed on the physics of light emitting diodes made from solution-processable semiconductors. These have huge potential to succeed current lighting and display technologies and can be assembled as easily as printing ink on a newspaper. Our research is highly applied, and covers the physics of organic and hybrid light emitting materials, control of exciton spin in working devices and in-situ measurements of charge and exciton recombination in thin films. We have a broader interest in materials and measurements which cross over into the field of thin-film photovoltaics, which share similar physics and challenges.

We collaborate with groups in Materials Science and Engineering in Cambridge for the development of new scalable electrode materials for flexible electronics, and chemists from a wide range of UK and overseas universities for the design and synthesis of new molecular chromophores and semiconductors.

Dan is currently taking on PhD students with an interest in time-resolved optical and electrical spectroscopy of solution-processed LEDs, remote phosphors and photovoltaics, and those who wish to focus on the design and fabrication of novel optoelectronic devices. Applicants with previous experience of spectroscopic and/or magnetic characterisation of optoelectronic devices, fabrication and testing of organic electronics, or in developing techniques for in-situ device analysis are particularly encouraged.

Key Publications

Di, D., et al., High-performance light-emitting diodes based on carbene-metal-amides. Science, 2017. 356(6334): p. 159-163.

Hoye, R. L. Z et al., Enhanced Performance in Fluorene-Free Organometal Halide Perovskite Light-Emitting Diodes using Tunable, Low Electron Affinity Oxide Electron Injectors. Advanced Materials, 2015. 27(8): p. 1414-1419.

Tan, Z.-K., et al., Bright light-emitting diodes based on organometal halide perovskite. Nature Nanotechnology, 2014. 9 (9): p. 687-692

Tan, Z.K., et al., In‐Situ Switching from Barrier‐Limited to Ohmic Anodes for Efficient Organic Optoelectronics. Advanced Functional Materials, 2014. 24(20): p. 3051-3058.

Credgington, D., et al., Quantification of Geminate and Non‐Geminate Recombination Losses within a Solution‐Processed Small‐Molecule Bulk Heterojunction Solar Cell. Advanced Materials, 2012. 24(16): p. 2135-2141.

Credgington, D. and J.R. Durrant, Insights from transient optoelectronic analyses on the open-circuit voltage of organic solar cells. The Journal of Physical Chemistry Letters, 2012. 3(11): p. 1465-1478.

Credgington, D., et al., Non‐Geminate Recombination as the Primary Determinant of Open‐Circuit Voltage in Polythiophene: Fullerene Blend Solar Cells: an Analysis of the Influence of Device Processing Conditions. Advanced Functional Materials, 2011. 21(14): p. 2744-2753.

Fenwick, O., et al., Thermochemical nanopatterning of organic semiconductors. Nature Nanotechnology, 2009. 4(10): p. 664-668.