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VTT is a European research institution, owned by the Finnish state. It advances the utilization and commercialization of research and technology in commerce and society. Through scientific and technological means, VTT turns global challenges into sustainable growth for businesses and society. 

In the solar energy front, VTT’s expertise is the ability to look at solar energy as part of the bigger system. VTT is piloting new uses for perovskite solar cells and organic photovoltaics. Printable thin-film solar cells can be used in a wide range of applications. 


ZSW company logo imageThe Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg (Centre for Solar Energy and Hydrogen Research Baden-Württemberg, ZSW) is a leading institute for applied research in the areas of photovoltaics, renewable fuels, battery technology, fuel cells and energy system analysis.

Some 300 scientists, engineers and technicians, alongside 100 student assistants and trainees, are currently working towards a sustainable energy system at ZSW’s three sites in Stuttgart, Ulm and Widderstall in Germany.

In the field of photovoltaics, ZSW is developing and testing innovative concepts for perovskite solar cells and modules and their manufacturing. It focuses particularly on tandem devices in order to increase the efficiency beyond the theoretical limit for single junction solar cells. From fundamental research, ZSW is scaling up thin-film PV technologies to pilot lines. This enables a rapid transfer of the latest research outcomes and processes to production lines at ZSW’s industrial partners.

Lawrence Berkeley National Laboratory (Berkeley Lab)

Berkeley Lab logo imageBerkeley Lab is a multidisciplinary national laboratory located in Berkeley, California on a hillside directly above the campus of the University of California at Berkeley.

LBNL conducts varied and extensive perovskite-based research in fields like solar cells, optoelectronics and more.

Helmholtz Zentrum Berlin (HZB)

HZB logo imageThe Helmholtz Zentrum Berlin für Materialien und Energie (HZB) is a research center that studies complex systems of materials that contribute to dealing with challenges like energy transition.

The HZB research portfolio includes solar cells, solar fuels, thermoelectrics, and materials for new, energy-efficient information technologies (spintronics) or electrochemical energy storage. Research on these energy materials is closely connected with the operation and advanced development of the BESSY II photon source. HZB's research approach always concentrates on thin-film technologies.

The HZB researches perovskites in contexts like solar cells, silicon and perovskites hybrids and more.

National Renewable Energy Laboratory (NREL)

NREL logo imageNREL is a U.S-based federal laboratory dedicated to research, development, commercialization, and deployment of renewable energy and energy efficiency technologies.

It performs extensive perovskite-based R&D (as well as on OPVs and other emerging technologies) and is seeking to make perovskite solar cells a viable technology by focusing on its efficiency, stability, and scaling. NREL's research is currently focused on several areas, including ultrahigh-efficiency and low-cost polycrystalline halide perovskite thin-film solar cells; electronic energy level alignment at the carbon nanotube/organic metal halide perovskite interface; and stable perovskite solar cells via chemical vapor deposition.

NREL's expertise is in the following areas related to perovskite PV:

  • Basic materials characterization
  • Fundamental photophysics, photochemistry, and exciton/charge-carrier dynamics
  • Interfacial energy alignment and charge-transfer (carrier-collection) processes
  • Structural and composition characterization
  • Material and compositional engineering for improved stability
  • High-efficiency solar cell fabrication with device performance and stability testing
  • Scale-up, printing, slot-die coating, and roll-to-roll manufacturing.


Perovskite infoPerovskite-Info is a comprehensive portal for all things perovskite, part of the Metalgrass network of web sites It was launched in September 2015 as a perovskite news aggregator with an aim to become a hub for perovskite professionals and enthusiasts.

Perovskite-Info uses its editors' unique point of view, knowledge and familiarity with the industry to offer the absolute best service possible. The portal provides daily news, information, updates and commentary focusing on perovskite as an emerging material and technology.

Ecole polytechnique fédérale de Lausanne (EPFL)

EPFL logoEPFL is a Switzerland-based technical university and research center. EPFL is focuses on three missions: teaching, research and technology transfer. EPFL works together with an extensive network of partners including other universities and institutes of technology, secondary schools and colleges, industry and economy, political circles and the general public.

EPFL does extensive perovskite R&D work and is responsible for many publications and advancements in the field.


Solliance is a partnership of R&D organizations from the Netherlands, Belgium and Germany working in thin film photovoltaic solar energy. Aiming to strengthen the EU region’s position as a world player in PV, Solliance is creating synergy by consolidating and coordinating the activities of 250 researchers in industry, at research institutes and universities.

Various state-of-the-art laboratories and pilot production lines are jointly used for dedicated research programs which are executed in close cooperation with the solar business community.

Among Solliance Research Partners are: ECN, imec, TNO, Holst Centre, TU/e, Forschungszentrum Jülich, University Hasselt and Delft University of Technology.

Solliance offers participation in its research programs and opens up its lab facilities to new entrants, either from industry or in research. On the basis of clear Intellectual Property agreements, each industrial partner can participate in this research effort, or alternatively, hire equipment and experts to further develop its own technology.


Fluxim logoFluxim, AG, based in Switzerland, is a provider of R&D tools to the photovoltaic
and OLED industries.

Fluxim offers several products, including both software tools and hardware tools. such as an advanced simulation software for solar cells and OLEDs, perovskite tools, characterization software, advanced design tools and more.

Fluxim lists Samsung, BOE, DuPont, LG and Merck among their many customers