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All articles of topic Solar Cells

Tandem silicon perovskite module at a testing station.

Commercialisation of perovskite gradually progressing

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Perovskite technology is considered a promising candidate for the next step in solar cell efficiency. A breakthrough in commercialisation has not yet been achieved, but progress is being made in small steps. Find out more in our weekly focus next week.

Looking cool in the lab – solar metrology plays an important role in high-performance solar cells and modules.

Wavelabs acquired by Eternal Sun

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Wavelabs Eternal Sun, a newly established subsidiary based in Leipzig, will provide a complete range of solar testing technology, from R&D to mass production.

Sunny prospects for the conference in Spain, which will provide a broad overview of the latest R&D in photovoltaics.

EU PVSEC 2025 set to unveil future PV technologies

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The full conference programme for the 42nd EU PVSEC is now available, offering a detailed preview of the sessions, keynotes and discussions scheduled in Bilbao from 22 to 26 September 2025.

A colourised scanning electron microscope image of a contact printed with silver-coated copper paste, developed at Fraunhofer ISE.

Silicon heterojunction cells cut silver use to record low

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Meeting climate-neutral energy targets with photovoltaics will require a drastic cut in silver use. Scientists at Fraunhofer ISE have now produced silicon heterojunction (SHJ) solar cells with total silver consumption of just 1.4 milligrams per watt peak.

Lively scenes at The smarter E Europe, which was characterised by high visitor interest, intensive discussions and many new products.

The smarter E Europe – a blueprint for tomorrow's energy

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This year‘s trade fair in Munich once again demonstrated the dynamic pace of innovation in photovoltaics, energy storage and other technologies driving the energy transition. The industry presented itself with confidence and a wealth of new products.

Sven Lindström is co-founder and Executive Vice President of Midsummer, a Swedish solar energy company that develops and markets equipment for the production of thin-film solar cells, and also manufactures, distrributes and installs solar roofs.

Expert analysis: The three strongest solar energy trends in 2025

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A tsunami of cheap Chinese solar panels flooding Europe, a growing taste for rooftop solar and a boom for small, medium and large-scale battery storage – these are the three overarching trends for 2025 as predicted by Midsummer Executive VP Sven Lindström.

The Longi Hi-Mo X10 rear contact module with 24.8% efficiency – now further improved by the manufacturer.

Longi boosts HIBC cell efficiency to 27.81 percent

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On the run-up to Intersolar, the Chinese manufacturer has announced new records in the efficiency of its back-contact and tandem solar cells, with perovskite achieving almost 35 percent.

From 7-9 May 2025, Intersolar Europe will highlight the latest trends in solar module technology.

ITRPV: TOPCon to surpass PERC in coming years

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The latest ITRPV report forecasts n-type TOPCon technology will soon lead the market. Mass-produced tandem-silicon cells are expected to see significant growth, while solar module shipments set a new record in 2024.

Inside the Oxford PV factory in Brandenburg an der Havel/Germany.

Tailwind for the commercialisation of perovskites

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The technology has long been seen as a promising breakthrough in solar cell efficiency. More recently, momentum is building for commercialisation. Learn more in our weekly focus, out next week.

LONGi sees growth opportunities in back-contact cell and module technology. However, like most other solar module and wafer manufacturers, the company is currently struggling with a low capacity utilization rate.
Half-year report 2024

LONGi generates €5.03 billion in sales

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LONGi has published its financial report for the first half of 2024. The integrated Chinese module manufacturer generated revenues of the equivalent of 5.03 billion euros in the period. One challenge, however, is the low PV manufacturing capacity utilization rate of less than 50 percent. Growth with the new HPBC 2.0 back-contact series is expected in 2025.

 LONGi presents several innovations at Intersolar Europe 2024, starting tomorrow at Munich trade fairgrounds.
Intersolar Europe 2024

LONGi presents enhanced back contact PV modules

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LONGi launches new solar module innovations based on back contact technology and introduces rectangular M11 wafer with improved performance at Intersolar Solar Europe 2024 this week.

 N-type based wafers will be the standard by year-end according to ITRPV.
ITRPV

TOPCon-Technology overcomes PERC in 2024

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The 15th edition of the International Technology Roadmap for Photovoltaics (ITRPV) highlights important technological and market trends and is availabe for download.

 Leon Zhang, President Utility Europe of LONGi, talks to pv Europe in Madrid.
Interview LONGi

“The PV industry is navigating a complex competitive landscape”

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Leon Zhang, President Utility Europe of LONGi, on the company's business strategy, customer service, the importance of the European market, manufacturing in Europe, competition, regulation and technology trends.

 Longi's founder and president, Li Zhenguo and Chief Scientist  Xu Xixiang unveiling the new BC world record.
Longi

New BC-based PV module - record silicon cell efficiency

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Longi presented its BC-based Module Hi-Mo 9 yesterday evening in Madrid, which uses silicon solar cells with a world record efficiency of 27,3 %.

 According to Longi the new silicon Tera wafer has several benefits among a higher efficiency.
Technology

Longi: New Tera silicon wafers

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Longi announced the launch of its newly developed Tera silicon wafers for the mass market in September. They are suitable for the currently prevailing solar technologies such as Topcon, heterojunction (HJT) and back contact cells (BC).

 Australia launched a major initiative to booster domestic solar PV manufacturing.
Australia

$1 billion initiative for domestic PV manufacturing

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The Australian federal government is investing $1 billion in the Solar Sunshot program to booster domestic PV manufacturing and the solar supply chain.

 Development of PV manufacturing capacity in India.
Manufacturing

India: Strong growth of PV manufacturing capacity

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In 2023 India added 20.8 gigawatts (GW) of solar modules and3.2 GW of solar cell manufacturing capacity, according to Mercom India.

 Overview of Meyer Burger's PV module production in Freiberg/Germany.
Manufacturing

End of European PV production?

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The PV market is booming. But European manufacturers are in crisis mode due to the overwhelmingly favourable competition from China. Companies such as Meyer Burger are threatening to close down module production. They are calling for resilience bonuses, among other incentives.

 SolarNL partners and guests in the solar foil factory of HyET Solar in Arnhem/Netherlands.
The Netherlands

New Dutch program to build up PV manufacturing industry

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The new Dutch program SolarNL now started. It aims to build up a strong PV cell and module manufacturing industry in the Netherlands and is financed publicly and privately.

 The IV curve of the TOPCon 4.0 Plus high-efficiency solar cell, certified by NPVM.
Solar cells

DAS Solar achieves new solar cell record

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DAS Solar has developed a TOPCon 4.0 Plus high-efficiency solar cell that boasts an efficiency of 26.36% and an open-circuit voltage of 742mV, breaking the world record for this type of cell.

 End of terrain from April 2024? Module production at Meyer-Burger in Freiberg/Saxony.
Manufacturing

Meyer Burger threatens to end its German module production

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Meyer Burger plans to focus on profitable PV production in the USA and close its module production in Germany. In the absence of political measures to create fair competitive conditions, the company intends to take action against the current losses.

 Certified "Zero Carbon Factory" (Type 1) of Trina Solar in Yiwu/China.
Sustainability

Trina Solar ESG awarded by Bloomberg Green

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Trina Solar has been recognised for its performance in promoting sustainable development by gaining a Bloomberg Green ESG-Enterprises award as part of the Bloomberg Green ESG 50 list.

 HDR photoluminescence measuring station: Dr. Genghua Yan was responsible for a large part of the measurements.
Solar cells

Perovskite: New findings on high efficiency

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Free charge carriers in perovskite solar cells are presumably protected from decay in a special way, as researchers at Forschungszentrum Jülich have discovered by means of novel photoluminescence measurements.

Longi has invested a lot in its digital transformation of production.
Manufacturing

Longi: Global Lighthouse Factory

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Longi announced that its Jiaxing Production Base has been recognized by the World Economic Forum (WEF) as a Global Lighthouse Factory, the world’s first solar module manufacturing base joining WEF's Global Lighthouse Network (GLN). 

Production lines of Longi.
Longi

New silicon solar cell efficiency record

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Longi has set a new world record of 27.09% for the efficiency of crystalline silicon Heterojunction Back Contact (HBC) solar cells, certified by the Institute for Solar Energy Research Hamelin (ISFH) in Germany.