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Technical documents

This VIPERLAB-KEP web area offers documentation produced by VIPERLAB partners or already available by different sources to any interested researcher , professional, stakeholder/decision maker, student. The list of documents can be sorted by different criteria (by organization, by PV RTD technology, by PV RTD topic, by PV RTD Equipment)

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This report dives into the realm of in-situ characterization in perovskite solar cells, unraveling key insights through various optical markers. Expanding on the significance of UV-Vis and photoluminescence (PL) spectroscopies, it explores their role in controlling perovskite layers, with a focus on quenching timing. The employed multi-faceted approach, integrated with the SPINBOT automated platform, uncovered crucial findings. UV-Vis absorption spectra exhibited uniformity, signaling consistent film thickness, yet additional markers were needed for comprehensive quality assessment.

Edited : 30/11/2023


The VIPERLAB project has committed itself to establishing a Strategic Research and Innovation Agenda (SRIA) for single-junction perovskite PV via the organization of three strategic workshops with all stakeholders. This report summarize the results  of the first strategic VIPERLAB workshop (D6.2) was organized in September 2022 as a parallel event to the WCPEC-8 conference in Milano, Italy, and the second strategic VIPERLAB workshop was organized on the 22nd of March 2023 during the "Energy Conversion and Storage Days" event organized by the Karlsruhe Institute of Technology (KIT) in Karlsruhe, Germany

Edited : 19/05/2023


Perovskite solar cells and modules attract attention in the research, industrial and financing communities. When bringing perovskite solar cells and modules from the lab to pilot lines, the lay-out of the blue print of the pilot line is an important intermediate step in the investment decision. Knowing the relation between processing conditions and device performance is critical to identify the functional design specification for such a pilot line and thus to the CAPEX of the line.
In this deliverable report, the impact of the processing atmosphere (nitrogen, dry air, ambient air) on the performance of perovskite solar cells and modules is investigated for three different process methods: spin coating, hybrid process and slot die coating. Here, the hybrid approach refers to a process with two sequential process steps: first a vacuum deposition step to deposit a first perovskite precursor followed by a second, wet chemical process step to deposit the second perovskite precursor and to form the perovskite layer by a thermal anneal process.

Edited : 24/01/2023


In this report, several existing protocols for performance and aging, published by different entities (IEC, NREL, ESTI …) are reviewed, and are combined with the conclusions of the first round robin (RR1) on electrical performance measurements of the perovskite solar cells for the definition of an harmonized test protocol. The RR1 was executed within WP9 “JRA3-Characterization and standardization” of the VIPERLAB project.  

Edited : 15/12/2022


For the visibility of VIEPERLAB’s actions, as well as to support the transnational access and networking activities, we have created different yet complimentary platforms dedicated to several purposes: project website (PWS), a knowledge exchange platform (KEP), one entry platform for proposal submission (GATE), and platform for virtual infrastructures (VAPO). In this report we present a catalogue of services and policies of these four VIPERLAB platforms.

Edited : 30/11/2022


This deliverable  presents the fundamentals for representing the PSK solar cells domain of knowledge for future development of the VIPERLAB Ontology, which will serve as a platform for uniform data organization, distribution, and knowledge machine interoperability. In addition, the VIPERLAB Ontology will pave the path for the integration of VIPERLAB research data into the relevant data space. At this level, the report provides the VIPERLAB Ontology design's fundamental needs.

Edited : 30/05/2022


This deliverable proposed by WP10  provides guidance for the infrastructure and technology development within VIPERLAB by evaluating and optimizing the environmental, social and economic impact of new perovskite-based technologies. It addresses the first task related to the provision of data (material, process flows, etc.) required for carrying out an economic and environmental assessment. 

Edited : 31/03/2022


This deliverable provides an overview and content description of the online VIPERLAB workshop “Databases, modelling and high-performance computing for perovskite PV” organized by ENEA, CENER, HZB, and FZJ on the 8th of February 2022.

Edited : 09/03/2022


VIPERLAB Advisory Board (AB) consists of ten experts from outside the VIPERLAB Consortium with proven experience in the scientific, technical, policy making and industrial area to advise the VIPERLAB Consortium on high-level infrastructural, technical, industrial, political, societal and strategic issues. This report lists the Expernal / Internal  experts in the Selection Panel for the review of users proposals. All external experts have agreed to act as members of this evaluation pannels and they  have signed the  Non-Disclosure Agreements

Edited : 02/03/2022


This deliverable aims to deliver a standardized architecture for device fabrication to enable seamless sample sharing. Some factors and guidelines were considered for the standardization of device design and a comparison was produced on the design data we gathered from the VIPERLAB partners and from the perovskite database.

Edited : 01/12/2021


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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement N° 101006715

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