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Inkjet-printed graphene-silver nanocomposite for sustainable additive manufacturing


   Faculty of Engineering and Physical Sciences

   Friday, March 31, 2023  Competition Funded PhD Project (Students Worldwide)

About the Project

Supervisory Team:   Dr Suan Hui Pu, Dr Ivan Ling and Dr Khong Wui Gan

Project description

As an engineering material, graphene possesses many strengths, including high electrical and thermal conductivity. The properties of graphene can be enhanced for printed-electronics applications by using graphene-silver composite inks. However, more work is required to gain insight on how the electrical resistivity of a graphene-silver is affected by mechanical strain, moisture and heat treatment. In this work, the resistivity variation in printed graphene-silver composites will be studied for a range of graphene/silver weight percentages, when exposed to bending, moisture and post-deposition heat treatment. A combined approach of electrical characterisation using inkjet printed test devices (film resistors) and materials characterisation using FESEM, TEM and Raman spectroscopy will be adopted. From the correlated results of the electrical and material characterisation, resistivity models of graphene-silver can be developed in relation to the application of strain, moisture and heat treatment. The output from this project will enable the use of printed graphene-silver in health and environmental sensors, in conductive signal lines and also for electrical shielding. The knowledge will also enable the predictive modelling of device lifetimes under normal operation of flexible electronics. This work will enhance capabilities in the digital manufacturing of hybrid electronics such as flexible sensors. We invite candidates with a strong background in engineering (any discipline) or applied sciences to apply.

If you wish to discuss any details of the project informally, please contact Dr Suan Hui Pu, University of Southampton Malaysia, Email: .

Entry Requirements

A very good undergraduate degree (at least a UK 2:1 honours degree, or its international equivalent). Applicants without an integrated Masters or postgraduate Masters must have a first class honours or equivalent first degree.

Closing date: applications should be received no later than 31 March 2023 for standard admissions, but later applications may be considered depending on the funds remaining in place.

Funding: Full scholarship for qualified candidates. Candidates with their own funding or funding from external sources are welcome to apply as well.

How To Apply

Applications should be made online. Select programme type (Research), Full-time, 2022/23, Faculty of Physical Sciences and Engineering, next page select “PhD Engineering (UoSM) (Full Time)”. In the application form you should insert the name of the supervisor, Suan Hui Pu

Applications should include:

Curriculum Vitae

Two reference letters

Degree Transcripts to date

Apply online: https://www.southampton.ac.uk/courses/how-to-apply/postgraduate-applications.page

For further application related information please contact:  

The School of Engineering is committed to promoting equality, diversity inclusivity as demonstrated by our Athena SWAN award. We welcome all applicants regardless of their gender, ethnicity, disability, sexual orientation or age, and will give full consideration to applicants seeking flexible working patterns and those who have taken a career break. The University has a generous maternity policy, onsite childcare facilities, and offers a range of benefits to help ensure employees’ well-being and work-life balance. The University of Southampton is committed to sustainability and has been awarded the Platinum EcoAward.


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