Import 2022-12-08 21:42 From supra-molecular chemistry... Patrick’s talk from the Frontiers of Science talk in Canada is now online – https://www.youtube.com/watch?v=YkxGFyrrwqo.
Import 2022-12-08 21:42 New Publication - Characterization of a silica-PVA hybrid for high density and stable silver dissolution Work led by Bryce Dorin, a PhD student associated with the OMS group, has led to a new publication in Materials Chemistry and Physics (Volume 177, page 19). Bryce is seeking to develop new materials and approaches to use femtosecond laser processing techniques to make conductive tracks within insulating material.
Arturo Alanis Lab Progress - first data After an extended ~ 3month move period, the micro-PL system is back up and running with our new laser system. Just in time for Arturo to get started on his new project…!
Import 2022-12-08 21:42 Conference - Royal Society Frontiers Patrick has presented an invited talk at the Royal Society Frontiers of Science meeting, held in Vancouver, Canada. Speaking in the “How to Mimic Nature” session, Patrick spoke about using supra-molecular chemistry to create super-natural molecules by learning from photosynthesis. The meeting was a joint event hosted by the Royal
Arturo Azuara Welcome to Arturo! A warm welcome to Arturo, who joins the group from San Luis Potosi in Mexico on a CONACyT-funded PhD program. Arturo will be focussing on the optical and electronic spectroscopy of semiconductor nanowires, and is supervised by Patrick Parkinson and Prof Phil Dawson in the School of Physics and Astronomy.
ANU Conference - ICONN 2016 Patrick has given a talk at ICONN 2016 (the International Conference on Nanoscience and Nanotechnology), held in Canberra, Australia. The conference had sessions focussing on nanophotonics, nanomaterials, nanocharacterisation, nanoelectronics and commercialisation/safety issues. Patrick spoke on “Statistical Study of Nanowire Disorder”, covering new work as well as Christopher Davies recent
Import 2022-12-08 21:42 Lab Progress - Laser up and running The laser engineer has got the laser up and running. Hopefully the OPA’s will be ready by the end of tomorrow. 1.45W at 250kHz, 800nm with 205fs autocorrelation (117fs transform-limited duration); we’re running above specifications with a peak power of ~48MW.
Import 2022-12-08 21:42 Lab Progress - laser in The laser is now in place, ready for installation in the new lab space. The overhead tables and wiring are good, and we are just waiting for the laser technicians to arrive to complete the installation.
Nanowires UK III-V Nanowire meeting Patrick attended the UK III-V Nanowire meeting at Corpus Christi College, Oxford to discuss recent work in the nanowire field with colleagues from across the UK. Discussion ranged from dot-in-wire structures, through solar photovoltaics, infrared photodetectors and chip-to-chip communications. Patrick spoke on statistical study of nanowire optoelectronic properties as a
Import 2022-12-08 21:42 Lab progress The setup for the new micro pump-probe, scanning photoluminescence and photocurrent microscopy and non-linear microscopy system is progressing. The tables are installed, and gantries fixed – next for the laser commissioning.
MPhys Goodbye to MPhys students A goodbye to Dylan Maxwell and David Barcons who have completed their S7 MPhys project. They worked together to develop non-equilibrium carrier dynamics modelling in nanowires, and to couple this to experimental measurements using TCSPC. Thanks Dylan and David!
Import 2022-12-08 21:42 Ultrafast Science Group Workshop Patrick is co-chairing the first USG workshop at the Photon Science Institute on Monday 11th January. This event will combine internal and external speakers covering the topics of the development and use of ultrafast lasers. The external speakers are: Dr Steven Jamison [STFC Daresbury Lab] Dr David Clark [STFC Central
Import 2022-12-08 21:42 New Publication - Low Ensemble Disorder in Quantum Well Tube Nanowires We have published a new paper in the Royal Society of Chemistry journal “Nanoscale” with colleagues at the University of Oxford and the Australian National University. We measured the optoelectronic properties of a large number of quantum well tube nanowires, grown at the ANU, which have application in tunable emission
Import 2022-12-08 21:42 Special topics - Organic Electronics Patrick has given a first year lecture as part of the “Special Topics” course for undergraduate physicists at the University of Manchester. He spoke about Organic Electronics, introducing some concepts and pitfalls in the history of this topic. His slides are attached (click here)..
Single nanowire terahertz detector Nanowire Symposium 2015 Patrick is presenting a poster at the Nanowire Symposium 2015, on the topic of “Nanowire Detectors for Terahertz Spectroscopy”. The Symposium is held in Barcelona from 26th to the 30th October 2015. A copy of the poster is available here : Nanowire Conference 2015 41.38506392.1734035
Import 2022-12-08 21:42 Rank Prize symposium on exciton processes in molecular materials Patrick gave an invited talk at the Rank Prize Symposium on exciton processes in molecular materials, in Grasmere (Lake District). The talk was entitled “Exciton dynamics in bio-mimetic nanoring systems“, and discussed the role of exciton delocalisation in energy transfer processes. 54.4582376-3.023534
Bryce Dorin Hello to Bryce Patrick has joined the supervision panel for Bryce Dorin, a Presidents Doctoral Scholarship-funded second year PhD candidate primarily supervised by Patricia Scully in the School of Chemical Engineering. Bryce is working on developing both the tools and the materials for laser written metallic nanowires in an insulating matrix.
Import 2022-12-08 21:42 Thanks to James A goodbye to James for his work over the past 9 weeks, supported by a Rank Prize Trust Summer Scholarship. Over this time, he worked on analysing the photoluminescence emission of a large number of nanowire laser structures, both to classify the nanowire type and to look for statistical relationships
Import 2022-12-08 21:42 Thanks to William A big thanks to William Wood for his work over the summer, where he developed code for automatic location and image recognition of semiconductor nanostructures using a new, purpose-build tool. A summary of his work (along with recent work in the group) can be found in the attached poster.
Import 2022-12-08 21:42 Rank Prize Summer Studentship James Mason (a University of Manchester undergraduate student) has been awarded a Rank Prize Funds studentship to work with the group for 9 weeks this summer. He will focus on Nanolaser optoelectronic characterisation. Welcome James, and congratulations on the studentship!
Import 2022-12-08 21:42 Invited talk at Optical Probes 2015 Patrick is giving an invited talk at the Optical Probes of Conjugated Polymers conference 2015, at the Hong Kong University of Science and Technology. The conference runs from the 15th to the 19th of June, 2015. He will speak on ultrafast spectroscopy of bio-mimetic materials, specifically porphyrin nanoring complexes.
Import 2022-12-08 21:42 Summer studentship William Wood, a third year undergraduate at the University of Manchester, has joined the group for the summer to work on a project to speed up identifying and characterising semiconductor nanowires. Welcome William!
Import 2022-12-08 21:42 New publication in PNAS A new paper has been published, “Identification of a triplet pair intermediate in singlet exciton fission in solution” lead authored by Hannah Stern at the University of Cambridge and co-authored by Patrick Parkinson. It is available at the PNAS website.
