Rocket launch! Graphene goes into space...

24 June 2019

The MASER14 rocket taking off from Esrange, Sweden [Credit: Christophe Minetti, ULB].jpg
The MASER14 rocket taking off from Esrange, Sweden [Credit: Christophe Minetti, ULB].jpg

Graphene Flagship participated in a rocket launch from Sweden's Esrange Space Center, in collaboration with the European Space Agency. The MASER 14 rocket carried experiments to test the printing of graphene devices in space, as well as the use of graphene-based composites for radiation protection – another compulsory requirement for manned space exploration.

Graphene Flagship partners, Université Libre de Bruxelles, University of Pisa and the University of Cambridge, in collaboration with the European Space Agency (ESA) and the Swedish Space Corporation (SSC), launched a sounding rocket (otherwise known as a research rocket, carrying instruments designed to take measurements and perform scientific experiments during its sub-orbital flight) into space from Kiruna, Sweden today on Monday, June 24th 2019.

The experiment aims to test the possibilities of printing graphene inks in space. Studying the different self-assembly modes of graphene into functional patterns in zero-gravity will enable the fabrication of graphene electronic devices during long-term space missions, as well as help understand fundamental properties of graphene printing on Earth. This mission is also a first step towards the investigation of graphene for radiation shielding purposes, an essential requirement of manned space exploration.

The MAterials Science Experiment Rocket (MASER) 14 was launched from the European Space Centre in Esrange, Sweden, thanks to a collaboration between the ESA, SSC and three Graphene Flagship partners. The objective is to test the printing of graphene patterns on silicon substrates in zero gravity conditions.

Graphene Flagship partner, University of Cambridge pioneered the use of liquid phase exfoliation to prepare graphene and related materials inks.

Such inks are now used to print all sorts of devices, ranging from flexible electronic sensors and gauges, to batteries and supercapacitors, and many others. Graphene-inks are already in the market, and many Graphene Flagship partner companies and spin-outs are commercialising this technology. These first experiments with graphene in space, led by Graphene Flagship partner Université Libre de Bruxelles, will allow a better understanding of the fundamentals of the printing process on Earth, by removing the presence of gravity and studying how graphene flakes self-assemble.

Most importantly, these experiments are a first step towards making graphene printing available for long term space exploration, since astronauts may need to print electronic devices on demand to cope with long-term missions. Graphene-based composites may also be used to offer radiation protection, another compulsory requirement to enable manned space explorations, for example during Mars-bound missions.

This research follows the zero-gravity parabolic flight campaign that took place in May 2018. The earlier experiment enabled 24 seconds of microgravity to test these same properties and the quality of graphene dispersions prepared by Graphene Flagship Partner, University of Cambridge.

Taking this research a step further, the flight of the MASER 14 rocket launched 250km above the Earth surface from Esrange, Sweden, enabled more than six minutes of microgravity, giving researchers additional time to carry out their tests, which will validate graphene’s self-assembly properties.

Graphene samples on board the sounding rocket, MASER 14 [Credit: Graphene Flagship]
Graphene samples on board the sounding rocket, MASER 14 [Credit: Graphene Flagship]

“Testing the evaporation of droplets seeded with graphene is an important step towards the comprehension of phenomena involved in coating technologies and energy applications, and an enabling factor in the commercialisation of this material for creating a new life-support ecosystem in future human space exploration,” explained Carlo lorio, leader of the space activities carried out by the Graphene Flagship, and a researcher at Graphene Flagship partner Université Libre de Bruxelles. “There is no better way to validate graphene’s potential than to send it to the environment it will be used in,” added Iorio.

“Graphene has unique conductivity properties that scientists are continuing to take advantage of in new processes, devices and in this case, coatings. Experiments like these are fundamental to graphene’s success and integral for building the material’s reputation as the leading material for space applications,” he says.

The importance of space exploration for the Graphene Flagship is underlined by the organisation of the second workshop in collaboration with ESA at the upcoming Graphene Week 2019, to be held in Helsinki, Finland, from September 23rd to 27th. This workshop, chaired by Carlo Iorio, will cover a variety of topics, all of them related to new graphene devices and technologies that will boost human space exploration.

Andrea C Ferrari, Science & Technology Officer of the Graphene Flagship and Chair of its Management Panel, explained that "thanks to the expertise in microgravity research of the Université Libre de Bruxelles, the Graphene Flagship has pioneered the exploration of graphene for space applications since 2017. With three microgravity campaigns in parabolic flights already concluded (and a fourth one on the way), this rocket launch is the next step towards our major milestone: bringing graphene to the International Space Station.”

“These experiments in zero gravity have already resulted in patent applications, as well as in the interest of large companies, such as Leonardo. Space is the limit for graphene. Or, is it?"

About the Graphene Flagship

The Graphene Flagship is research, innovation and collaboration. Funded by the European Commission, the Graphene Flagship aims to secure a major role for Europe in the ongoing technological revolution, helping to bring graphene innovation out of the lab and into commercial applications by 2023. The Graphene Flagship gathers nearly 150 academic and industrial partners from 23 countries, all exploring different aspects of graphene and related materials. Bringing diverse competencies together, the Graphene Flagship facilitates cooperation between its partners, accelerating the timeline for industry acceptance of graphene technologies. The European Commission’s FET Flagships enable research projects on an unprecedented scale. With €1 billion budgets, the Graphene Flagship, Human Brain Project and Quantum Flagship serve as technology accelerators, helping Europe to compete with other global markets in research and innovation.

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