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Details of Grant 

EPSRC Reference: EP/N01572X/1
Title: Donor Design for Maximum Mobility TCOs
Principal Investigator: Scanlon, Professor DO
Other Investigators:
Parkin, Professor IP Carmalt, Professor C
Researcher Co-Investigators:
Project Partners:
NSG Group (UK)
Department: Chemistry
Organisation: UCL
Scheme: Standard Research
Starts: 01 April 2016 Ends: 30 September 2019 Value (£): 778,212
EPSRC Research Topic Classifications:
Materials Synthesis & Growth
EPSRC Industrial Sector Classifications:
Electronics
Related Grants:
EP/N015800/1
Panel History:
Panel DatePanel NameOutcome
23 Sep 2015 EPSRC Physical Sciences Materials/Physics - September 2015 Announced
Summary on Grant Application Form
Transparent conducting oxides (TCO) are ubiquitous in modern society, being components in a vast array of consumer electronics (e.g. smart phones, tablets, lap tops, flat panel displays etc.) and finding use in applications such as solar cells, smart windows, low emissivity windows etc. To date, the TCO with the largest share of the market is tin doped indium oxide (known as ITO), which displays excellent transparency and conductivity. The fact that indium is not very abundant in the earth's crust (and is often found in unstable geopolitical areas), allied to the inexorable increase in the demand for consumer electronics globally, has caused large fluctuations in the price of indium over the past decade. This has understandably caused concern in the industrial sector. Other TCO materials exist, such as fluorine doped tin dioxide (FTO), antimony doped tin dioxide (ATO), and Aluminium doped zinc oxide (AZO), however, they have not reached the performance levels of ITO. In each case, the limitations are linked to the dopant that is used

Recently we proposed an initial understanding of how some specific novel dopants can produce enhanced performance TCOs, termed the "remote impurity scattering mechanism", and we will now screen novel dopants in the earth abundant host oxides zinc oxide, tin dioxide and barium stannate, in order to find the ideal TCO/dopant combination.

This will be done in 3 ways:

1) Computational screening of novel dopants

2) Deposition of doped thin films using low cost, scaleable chemical vapour deposition

3) Physical characterisation of the doped films

The synergistic approach between computational chemistry, semiconductor physics and low cost scaleable deposition will result in new high performance, low cost, industrially viable TCOs. They will be transferred from our labs to industrial scale processes on our project partner's float glass line.

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