Evaluation

The results of the screening phase were summarized in a statement paper, that was sent to approx. 200 experts of the German nanotechnology and space communitiy with the request for evaluation and technical additions to the statement paper by answering an attached catalog of questions (s. appendix) dealing with the following topics:

• Links to their own research activities in the field of nanotechnology applications in space

• Potential research demand

• Potential obstacles for applications of nanotechnology in space

• Potential demand and obstacles concerning the use of space as a research instrument for nanotechnology

The return ratio of the questionnaires was approx. 27 %, which can be regarded as a satisfactory value in view of the very specialised topic. Altogether the statement paper was well accepted in the nanotechnology and space community. In addition, several further topics were specified, which were included in the investigations of this study.

An English translation of the statement paper was distributed to approx. 50 experts at international level (in particular to experts of the ESA and NASA). In the further course of the project a workshop with 40 participants of the nanotechnology and space community was accomplished, which took place on 04.06.2002 in the German Aerospace Center in Cologne. The objective of the workshop was to present and evaluate relevant aspects through invited experts and to discuss further research demands in this area. Based on the obtained interim results of the study an evaluation of the potential nanotechnology application in space was accomplished using the following criteria:

• Technology readiness

• Market potential for terrestrial application

• Contribution to space objectives

• Economic benefits for space

• Potential obstacles to application in space

The application possibilities of space infrastructure as a research instrument for nanotechnology were evaluated on the basis of a cost-benefit analysis. Finally, recommendations concerning the further treatment of the topic field were derived and further R&D needs were outlined.

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