Thin-film

Copper indium gallium selenide thin film technology is on the fly as conversion efficiency closes in on that of crystalline silicon. The technology can be integrated neatly onto facades of otherwise energy intensive commercial buildings. The potential is huge even if the conversion efficiency retains some limitations.

First-quarter figures from German engineering association the VDMA showed that, while orders picked up after a slow end to last year, almost all PV production equipment produced in the country is shipped abroad, with China the leading destination.

The thin film manufacturer says it has issued clarifications to media after pv magazine pointed out it had announced a blockbusting HanTile agreement in the wake of Intersolar Europe.

The two companies have glued 230 square meters of solar film to the rough concrete surface of a grain silo in Donauwörth, Germany. The film is expected to generate approximately 6,700 kWh kilowatt-hours of solar power per year. Lechwerke and Heliatek want to open up new potential for the use of PV on other surfaces with the pilot project.

A new study conducted by an international team of scientists from leading institutions in the U.K. and the United States provides an explanation as to how the addition of selenide can greatly improve the efficiency of cadmium telluride solar cells. Explaining the performance boost will provide researchers with a route to explore further efficiency improvements, pushing the material’s cost even lower.

The Japanese CIS solar module maker has been acquired — along with its parent company, Showa Shell Sekiyu — through a share exchange by Japanese oil refiner Idemitsu. The transaction was announced in mid-October, while the preliminary agreement was signed in July.

A European research team working on the EU-funded EURAMET ENG55 “PhotoClass” project has taken a step toward standardizing the measurement of the relative temperature dependence of the short-circuit current in different PV devices, although it applied completely different approaches.

The European solar research organization, Solliance announced it has achieved a 21.5% efficiency for a flexible copper indium gallium selenide (CIGS) tandem solar cell based on perovskite.

French BIPV glass manufacturer Sunpartner is seeking buyers for its two businesses after starting insolvency proceedings due to the lack of short-term funding.

The thin-film manufacturer, developer and maker of the Humbrella, HanTile and HanWall made 78th position in a ranking of China’s Top 500 companies, an improvement on last year’s 91st place, to lead the six solar-linked businesses on the list.