Chemical vapour deposition of group 14 chalcogenides

Lead Research Organisation: University of Southampton
Department Name: School of Chemistry

Abstract

This project will develop new CVD reagents for growth of thin film tin sulfide and related semiconductors, with a focus on controlled multilayer deposition to enhance thermoelectric performance in energy generation and recovery. The student will also take an active involvement in depositions using ALD during their placements at the company.
We have deposited tin sulfides and selenides from SnCl4 complexes with thio-/seleno-ethers (Dalton Trans. (2007),4769; Chem. Mater. 24,(2012),4442; and unpublished work), with deposition of SnE or SnE2 determined by the substrate temperature during deposition. Initially, this project will investigate temperature variation as a strategy for SnS/SnS2 multilayer production from related precursors. The effect of other deposition conditions will be examined in more detail to control the film thickness and crystallite size/orientation.

Publications

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Studentship Projects

Project Reference Relationship Related To Start End Student Name
EP/N509747/1 01/10/2016 30/09/2021
1948357 Studentship EP/N509747/1 28/09/2017 30/09/2020 Fred Robinson
 
Description The development of a number of single source precursors for the low pressure chemical vapour deposition for a variety of materials that are of interest for thermoelectric and optoelectric applications. A variety of materials have been deposited and fully characterised proving the processes successful.
Exploitation Route The use of the processes of material deposition could be further developed for the fabrication of thermoelectric devices or other electronic devices.
Sectors Chemicals,Electronics,Energy,Environment,Manufacturing, including Industrial Biotechology

 
Description Deregallera 
Organisation Deregallera Ltd
Country United Kingdom 
Sector Private 
PI Contribution Contribution to a CASE PhD studentship to work on other thermoelectric materials
Collaborator Contribution Discussions, consultancy, attendance at workshops and meetings
Impact PhD studentship
Start Year 2017
 
Description Thin Film Thermoelectrics 
Organisation Deregallera Ltd
Country United Kingdom 
Sector Private 
PI Contribution The development of precursors for the low pressure chemical vapour deposition of a number of materials interesting for thermoelectric applications, the characterisation of the deposited materials and the measurement of the electrical and thermoelectric properties of the materials.
Collaborator Contribution Deregallera Ltd not only help with the funding of the project but have provided frequent meetings to discuss the progression of the project and its direction. They have also allowed access to specialised equipment for the deposition of the materials to further enhance the capabilities of the project.
Impact The organisation of numerous interdisciplinary meetings, involving the chemists, computational and theoretical chemists.
Start Year 2017
 
Description Energy Harvesting Materials and Devices Workshop 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Postgraduate students
Results and Impact A poster on some of the work done on the deposition of tin chalcogenide materials and their thermoelectric properties was presented. A number of different conversations with various participants on different approaches for them to enhance their research as well as my own.
Year(s) Of Engagement Activity 2019
 
Description Oral presentation for Sustainable Electronic Technologies Research Group 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Numerous talks delivered by a wide range of different backgrounds within the umbrella of Sustainable Electronic Technologies. The meeting allowed for the distribution of information between all of those involved and strengthened the relationships between the University of Southampton with the institutions of those attending, many of which were international.
Year(s) Of Engagement Activity 2019
 
Description UK Thermoelectric Network Meeting 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Postgraduate students
Results and Impact A number of talks were given on the advancement of thermoelectric materials and devices and several posters. The intended outcome was to maintain a strong unity within the thermoelectric community and share the work being undertaken around then UK
Year(s) Of Engagement Activity 2019