News

Upcycled Silicon from Retired Solar Panels Enables Efficient Palladium Catalyst - News and Statistics

IndexBox · last updated

May 17, 2026

Recycled Solar Panel Silicon Powers New Palladium Catalyst for Green Chemistry

Researchers from Mediterranean University of Reggio Calabria, the University of Perugia, and the Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA) have developed a method to upcycle silicon from retired solar panels, according to a study published in Green Chemistry.

The team created a catalytic system using palladium nanoparticles supported on recovered silicon. In this setup, palladium drives the catalytic activity while the silicon serves as a stabilizing, reusable support. The catalyst is designed for cross-coupling reactions commonly used in pharmaceuticals and fine chemicals.

To prepare the material, the researchers removed the front glass of discarded photovoltaic modules by heating to soften the ethylene-vinyl acetate encapsulant. The remaining layers were cut into pieces and treated with tetrahydrofuran at 60 degrees Celsius to separate the silicon cells. A two-step chemical leaching process followed: sodium hydroxide dissolved the aluminum back contact, and nitric acid removed the silver finger contacts. After washing and heat treatment at 500 degrees Celsius, the purified silicon was ball-milled into a fine powder with 86 percent purity. The powder was suspended in diethylene glycol, combined with a palladium precursor, and heated at 130 degrees Celsius under argon to form palladium nanoparticles on the silicon surface.

The recovered-silicon catalyst, named Pd/Si_EoLPV, was compared to a reference catalyst made from commercial metallurgical-grade silicon powder. Analysis showed that the recycled material delivered performance comparable to the commercial-silicon catalyst. It remained stable over six consecutive reaction cycles, with palladium leaching below 3 parts per million. This corresponded to a turnover number of 5,820 and a turnover frequency of 582 per hour.

On a gram scale, the catalyst was used across five recycling cycles, yielding 48.5 millimoles of product with a 97 percent isolated yield and an E-factor of 9. The catalyst was also applied to the synthesis of 22 substrates from various iodoarenes and olefins, including intermediates relevant to rilpivirine, Lp-PLA2 inhibitors, and methyl-2-ferulates.

  1. 1. INTRODUCTION

    Making Data-Driven Decisions to Grow Your Business

    1. REPORT DESCRIPTION
    2. RESEARCH METHODOLOGY AND THE AI PLATFORM
    3. DATA-DRIVEN DECISIONS FOR YOUR BUSINESS
    4. GLOSSARY AND SPECIFIC TERMS
  2. 2. EXECUTIVE SUMMARY

    A Quick Overview of Market Performance

    1. KEY FINDINGS
    2. MARKET TRENDS This Chapter is Available Only for the Professional EditionPRO
  3. 3. MARKET OVERVIEW

    Understanding the Current State of The Market and its Prospects

    1. MARKET SIZE: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    2. CONSUMPTION BY COUNTRY: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    3. MARKET FORECAST TO 2035
  4. 4. MOST PROMISING PRODUCTS FOR DIVERSIFICATION

    Finding New Products to Diversify Your Business

    1. TOP PRODUCTS TO DIVERSIFY YOUR BUSINESS
    2. BEST-SELLING PRODUCTS
    3. MOST CONSUMED PRODUCTS
    4. MOST TRADED PRODUCTS
    5. MOST PROFITABLE PRODUCTS FOR EXPORT
  5. 5. MOST PROMISING SUPPLYING COUNTRIES

    Choosing the Best Countries to Establish Your Sustainable Supply Chain

    1. TOP COUNTRIES TO SOURCE YOUR PRODUCT
    2. TOP PRODUCING COUNTRIES
    3. TOP EXPORTING COUNTRIES
    4. LOW-COST EXPORTING COUNTRIES
  6. 6. MOST PROMISING OVERSEAS MARKETS

    Choosing the Best Countries to Boost Your Export

    1. TOP OVERSEAS MARKETS FOR EXPORTING YOUR PRODUCT
    2. TOP CONSUMING MARKETS
    3. UNSATURATED MARKETS
    4. TOP IMPORTING MARKETS
    5. MOST PROFITABLE MARKETS
  7. 7. PRODUCTION

    The Latest Trends and Insights into The Industry

    1. PRODUCTION VOLUME AND VALUE: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    2. PRODUCTION BY COUNTRY: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
  8. 8. IMPORTS

    The Largest Import Supplying Countries

    1. IMPORTS: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    2. IMPORTS BY COUNTRY: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    3. IMPORT PRICES BY COUNTRY: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
  9. 9. EXPORTS

    The Largest Destinations for Exports

    1. EXPORTS: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    2. EXPORTS BY COUNTRY: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
    3. EXPORT PRICES BY COUNTRY: HISTORICAL DATA (2012–2025) AND FORECAST (2026–2035)
  10. 10. PROFILES OF MAJOR PRODUCERS

    The Largest Producers on The Market and Their Profiles

  11. 11. COUNTRY PROFILES

    The Largest Markets And Their Profiles

    This Chapter is Available Only for the Professional Edition PRO
    1. 11.1

      United States

      • Market Size
      • Production
      • Imports
      • Exports
    2. 11.2

      China

      • Market Size
      • Production
      • Imports
      • Exports
    3. 11.3

      Japan

      • Market Size
      • Production
      • Imports
      • Exports
    4. 11.4

      Germany

      • Market Size
      • Production
      • Imports
      • Exports
    5. 11.5

      United Kingdom

      • Market Size
      • Production
      • Imports
      • Exports
    6. 11.6

      France

      • Market Size
      • Production
      • Imports
      • Exports
    7. 11.7

      Brazil

      • Market Size
      • Production
      • Imports
      • Exports
    8. 11.8

      Italy

      • Market Size
      • Production
      • Imports
      • Exports
    9. 11.9

      Russian Federation

      • Market Size
      • Production
      • Imports
      • Exports
    10. 11.10

      India

      • Market Size
      • Production
      • Imports
      • Exports
    11. 11.11

      Canada

      • Market Size
      • Production
      • Imports
      • Exports
    12. 11.12

      Australia

      • Market Size
      • Production
      • Imports
      • Exports
    13. 11.13

      Republic of Korea

      • Market Size
      • Production
      • Imports
      • Exports
    14. 11.14

      Spain

      • Market Size
      • Production
      • Imports
      • Exports
    15. 11.15

      Mexico

      • Market Size
      • Production
      • Imports
      • Exports
    16. 11.16

      Indonesia

      • Market Size
      • Production
      • Imports
      • Exports
    17. 11.17

      Netherlands

      • Market Size
      • Production
      • Imports
      • Exports
    18. 11.18

      Turkey

      • Market Size
      • Production
      • Imports
      • Exports
    19. 11.19

      Saudi Arabia

      • Market Size
      • Production
      • Imports
      • Exports
    20. 11.20

      Switzerland

      • Market Size
      • Production
      • Imports
      • Exports
    21. 11.21

      Sweden

      • Market Size
      • Production
      • Imports
      • Exports
    22. 11.22

      Nigeria

      • Market Size
      • Production
      • Imports
      • Exports
    23. 11.23

      Poland

      • Market Size
      • Production
      • Imports
      • Exports
    24. 11.24

      Belgium

      • Market Size
      • Production
      • Imports
      • Exports
    25. 11.25

      Argentina

      • Market Size
      • Production
      • Imports
      • Exports
    26. 11.26

      Norway

      • Market Size
      • Production
      • Imports
      • Exports
    27. 11.27

      Austria

      • Market Size
      • Production
      • Imports
      • Exports
    28. 11.28

      Thailand

      • Market Size
      • Production
      • Imports
      • Exports
    29. 11.29

      United Arab Emirates

      • Market Size
      • Production
      • Imports
      • Exports
    30. 11.30

      Colombia

      • Market Size
      • Production
      • Imports
      • Exports
    31. 11.31

      Denmark

      • Market Size
      • Production
      • Imports
      • Exports
    32. 11.32

      South Africa

      • Market Size
      • Production
      • Imports
      • Exports
    33. 11.33

      Malaysia

      • Market Size
      • Production
      • Imports
      • Exports
    34. 11.34

      Israel

      • Market Size
      • Production
      • Imports
      • Exports
    35. 11.35

      Singapore

      • Market Size
      • Production
      • Imports
      • Exports
    36. 11.36

      Egypt

      • Market Size
      • Production
      • Imports
      • Exports
    37. 11.37

      Philippines

      • Market Size
      • Production
      • Imports
      • Exports
    38. 11.38

      Finland

      • Market Size
      • Production
      • Imports
      • Exports
    39. 11.39

      Chile

      • Market Size
      • Production
      • Imports
      • Exports
    40. 11.40

      Ireland

      • Market Size
      • Production
      • Imports
      • Exports
    41. 11.41

      Pakistan

      • Market Size
      • Production
      • Imports
      • Exports
    42. 11.42

      Greece

      • Market Size
      • Production
      • Imports
      • Exports
    43. 11.43

      Portugal

      • Market Size
      • Production
      • Imports
      • Exports
    44. 11.44

      Kazakhstan

      • Market Size
      • Production
      • Imports
      • Exports
    45. 11.45

      Algeria

      • Market Size
      • Production
      • Imports
      • Exports
    46. 11.46

      Czech Republic

      • Market Size
      • Production
      • Imports
      • Exports
    47. 11.47

      Qatar

      • Market Size
      • Production
      • Imports
      • Exports
    48. 11.48

      Peru

      • Market Size
      • Production
      • Imports
      • Exports
    49. 11.49

      Romania

      • Market Size
      • Production
      • Imports
      • Exports
    50. 11.50

      Vietnam

      • Market Size
      • Production
      • Imports
      • Exports
  12. LIST OF TABLES

    1. Key Findings In 2025
    2. Market Volume, In Physical Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    3. Market Value: Historical Data (2012–2025) and Forecast (2026–2035)
    4. Per Capita Consumption, by Country, 2022–2025
    5. Production, In Physical Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    6. Imports, In Physical Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    7. Imports, In Value Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    8. Import Prices, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    9. Exports, In Physical Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    10. Exports, In Value Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    11. Export Prices, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
  13. LIST OF FIGURES

    1. Market Volume, In Physical Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    2. Market Value: Historical Data (2012–2025) and Forecast (2026–2035)
    3. Consumption, by Country, 2025
    4. Market Volume Forecast to 2035
    5. Market Value Forecast to 2035
    6. Market Size and Growth, By Product
    7. Average Per Capita Consumption, By Product
    8. Exports and Growth, By Product
    9. Export Prices and Growth, By Product
    10. Production Volume and Growth
    11. Exports and Growth
    12. Export Prices and Growth
    13. Market Size and Growth
    14. Per Capita Consumption
    15. Imports and Growth
    16. Import Prices
    17. Production, In Physical Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    18. Production, In Value Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    19. Production, by Country, 2025
    20. Production, In Physical Terms, by Country: Historical Data (2012–2025) and Forecast (2026–2035)
    21. Imports, In Physical Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    22. Imports, In Value Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    23. Imports, In Physical Terms, By Country, 2025
    24. Imports, In Physical Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    25. Imports, In Value Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    26. Import Prices, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    27. Exports, In Physical Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    28. Exports, In Value Terms: Historical Data (2012–2025) and Forecast (2026–2035)
    29. Exports, In Physical Terms, By Country, 2025
    30. Exports, In Physical Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    31. Exports, In Value Terms, By Country: Historical Data (2012–2025) and Forecast (2026–2035)
    32. Export Prices, By Country: Historical Data (2012–2025) and Forecast (2026–2035)