Welcome to Nikesh!

The group welcomes Nikesh Patel as a new EPSRC-funded PhD student working on the Big-data for Nano-Electronics project. Nikesh joins us from an MPhysChem at the University of Edinburgh, and will focus on high-throughput spectroscopy of low-dimensionality nanomaterials.

Postdoctoral Research Position Available: Big-Data for Nano-Electronics

A 2-year postdoctoral position is available in the group to work on data acquisition and analytics pipeline on the big-data for nano-electronics project. The post has the potential to be extended to 4 years.

The successful candidate will apply statistical approaches to large-scale data produced by high-throughput spectroscopy and imaging of nanomaterials in the group. Samples will come from project partners in the UK, Europe and Australia, and consist of nanowires, quantum dots, and other functional optoelectronic nanomaterials.

The post is advertised at: https://www.jobs.manchester.ac.uk/displayjob.aspx?jobid=18866 .

For further details, please contact Patrick.

Photonics West 2020 – presentation and proceedings

The talk and proceedings for Patrick’s recent invited talk at Photonics West is now available online.

A needle in a needlestack” describes how our recent work on Manchester on inhomogeneity can provide more information about functional performance than a homogeneous population can.

Reference: A needle in a needlestack: exploiting functional inhomogeneity for optimized nanowire lasing , Proc. SPIE 11291, Quantum Dots, Nanostructures, and Quantum Materials: Growth, Characterization, and Modeling XVII, 112910K (2 March 2020) https://doi.org/10.1117/12.2558405

New Paper – Effect of size on the luminescent efficiency of perovskite nanocrystals

A new paper led by groups at Cambridge has been published in ACS Applied Energy Materials. In this work, a combination of nanoscale cathodoluminescence and time- and energy-resolved photoluminescence is used to reveal energy dynamics in colloidal perovskite nanocrystals. These techniques relate trap density and Auger effects to stoichiometry and size, providing a new route to optimization of these new materials.

In this study, group student Arturo carried out and prepare power dependant photoluminescence studies using tools in our group.

(a) ADF-STEM imagery of mixed colloidal perovskite nanocrstals along with (b) EELS and (c) Nano-cathodoluminescence.

Reference: “Effect of size on the luminescent efficiency of perovskite nanocrystals”, Griffiths et al., ACS Applied Energy Materials, 2019, DOI: 10.1021/acsaem.8b02132

Workshop on Perovskites and Emerging Optoelectronic Materials

Thanks to all of the speakers and attendees who came to the Workshop on Perovskites and Emerging Optoelectronic Materials , hosted in the Photon Science Institute. We heard from 8 speakers covering physics, materials and electronic engineering for photovoltaic and light-emitting applications.

Around 40 attendees at the Workshop, including professors, PDRAs, PhD students and undergraduates.
Lunch proved popular

The workshop was concluded with a seminar presentation from Dr. Becky Milot (University of Warwick), who spoke on “Optoelectronic Properties of Hybrid Metal Halide Perovskites”