Privacy Policy

Who we are

We are the consortium that undertake the “Framework of Innovation for Engineering of New Durable Solar Surfaces (FRIENDS2)” project. This consortium consists of:

  • Helmholtz-Zentrum Dresden – Rossendorf e.V., a research institution from Germany (project coordinator)
  • Cranfield University from the United Kingdom
  • Profactor, an applied research company from Austria
  • Metal Estalki, an SME from Spain
  • Nano4Energy, an SME from Spain

Our website address is:


What personal data we collect and why we collect it


When visitors leave comments on our website, we collect the data shown in the comments form along with the visitor’s IP address and browser user agent string to help spam detection.

An anonymised string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: After approval of your comment, your profile picture is visible to the public in the context of your comment.


If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.


If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you have an account and you log in to this site, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me”, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.

An additional cookie will be saved in your browser if you decide to accept or opt-out of our non-personal visitor data collection for analytics purposes. These are for your convenience so that you do not have to make another selection when you visit our website again . This cookie will last for one year.

Embedded content from other websites

Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.


The main purpose of this website is for dissemination of information about our FRIENDS2 project. We use WP Statistics to collect non-personal data from you to understand the reach of our website for the aforementioned purpose. The WP Statistics service privacy policy is available here: The collected data include your IP address, browser name, geographical location, which page within this website you visited, and if you used search engine to find our website. All data are non-personal identification information and cannot be used to identify you as an individual.


Who we share your data with

We do not share, sell, trade, or rent collected personal and non-personal data to others. We may share generic aggregated demographic information not linked to any personal identification information regarding visitors with our trusted affiliates.


How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.


What rights you have over your data

If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.


Where we send your data

Visitor comments may be checked through an automated spam detection service.


Your contact information

If you have any questions about this Privacy Policy, the practices of this website, or your dealings with this website, please contact us through the provided email addresses.