Top 10 Companies in the Photovoltaic Wet Process Additive Market (2026): Innovation Leaders Driving Solar Efficiency

In Business Insights
January 22, 2026


The Global Photovoltaic Wet Process Additive Market was valued at USD 2.1 Billion in 2023 and is projected to reach USD 3.9 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.2% during the forecast period (2024–2030). This robust growth is propelled by the global push for renewable energy, advancements in solar cell manufacturing technologies, and the increasing demand for high-efficiency photovoltaic modules to meet sustainability targets.

As the solar industry accelerates toward higher efficiency and lower production costs, the role of specialized chemicals has become paramount. Photovoltaic wet process additives are critical for enhancing the performance of solar cells during key manufacturing steps like cleaning, texturing, and polishing. In this blog, we profile the Top 10 Companies in the Photovoltaic Wet Process Additive Industry—a group of chemical innovators and process specialists who are enabling the next generation of solar energy technology.


🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Lutropur® etchants, texturizing agents, and advanced cleaning formulations

BASF is a global leader in specialty chemicals for the electronics and photovoltaic industries. Their Lutropur® product line offers high-purity chemicals specifically designed for silicon wafer processing, ensuring superior surface quality and enhanced light absorption for solar cells.

Innovation Initiatives:

  • Development of next-generation alkaline texturing additives for PERC and TOPCon cells

  • Investment in R&D for lead-free and environmentally friendly formula

  • Strategic partnerships with major PV manufacturers across Asia and Europe

Download FREE Sample Report: Global Photovoltaic Wet Process Additive Market – View in Detailed Research Report


9️⃣ 2. Merck KGaA

Headquarters: Darmstadt, Germany
Key Offering: AZ® photoresists, edge bead removers, and semiconductor-grade cleaning chemicals

Merck’s Electronics business provides high-purity materials critical for photovoltaic manufacturing. Their products enable precise patterning and cleaning processes essential for high-yield solar cell production, particularly for advanced cell architectures like HJT and IBC.

Innovation Initiatives:

  • Expansion of electronic materials production capacity in Asia

  • R&D focused on low-temperature process compatible additives


8️⃣ 3. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: Specialty chemicals for wafer cleaning, surface preparation, and metallization

DuPont offers a comprehensive portfolio of materials science solutions for the solar industry. Their wet process additives are designed to improve manufacturing efficiency and cell performance while reducing water and chemical consumption.

Innovation Initiatives:

  • Sustainable chemistry programs reducing environmental footprint

  • Collaborative development with cell manufacturers for custom solutions


7️⃣ 4. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: High-purity chlorosilanes, pyrogenic silica, and custom silicon-based chemicals

Wacker is a key supplier of hyperpure silicon and silicon-based chemicals essential for photovoltaic manufacturing. Their products are used in wafer cleaning and surface passivation processes critical for achieving high cell efficiencies.

Innovation Initiatives:

  • Investment in polysilicon production technology for lower carbon footprint

  • Development of novel passivation layer materials for tandem cells

Download FREE Sample Report: Global Photovoltaic Wet Process Additive Market – View in Detailed Research Report


6️⃣ 5. AGC Inc.

Headquarters: Tokyo, Japan
Key Offering: Fluorochemicals, glass coatings, and specialty etchants for PV manufacturing

AGC provides advanced materials for the entire photovoltaic value chain. Their fluorine-based chemicals offer superior cleaning performance and surface modification capabilities that enhance solar cell efficiency and durability.

Innovation Initiatives:

  • Development of anti-reflective and anti-soiling coatings

  • Closed-loop chemical recycling systems for sustainable manufacturing


5️⃣ 6. Shin-Etsu Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Silicon wafers, photoresists, and high-purity process chemicals

Shin-Etsu is a dominant player in silicon materials and semiconductor chemicals. Their photovoltaic division supplies critical additives for wafer texturing and surface preparation processes that determine final cell performance.

Innovation Initiatives:

  • Continuous improvement of chemical purity standards for higher cell efficiencies

  • Expansion of electronic materials production to meet growing solar demand


4️⃣ 7. SUMCO Corporation

Headquarters: Tokyo, Japan
Key Offering: Silicon wafers and associated process chemicals for texturing and cleaning

SUMCO is one of the world’s leading manufacturers of silicon wafers for the semiconductor and solar industries. The company provides integrated solutions that include specialized chemicals optimized for their wafer products.

Innovation Initiatives:

  • Development of thinner wafers requiring advanced handling and processing chemicals

  • Quality control systems ensuring chemical consistency for high-yield manufacturing


3️⃣ 8. JSR Corporation

Headquarters: Tokyo, Japan
Key Offering: Advanced materials for semiconductor and display manufacturing, including PV applications

JSR’s materials science expertise extends to photovoltaic manufacturing, where their high-performance chemicals enable precise patterning and surface modification for next-generation solar cells.

Innovation Initiatives:

  • Nanotechnology applications for enhanced light trapping

  • Collaborative research with academic institutions on novel cell architectures


2️⃣ 9. Entegris, Inc.

Headquarters: Billerica, Massachusetts, USA
Key Offering: High-purity process chemicals, filtration systems, and wafer handling solutions

Entegris specializes in materials integrity management for high-technology manufacturing. Their photovoltaic offerings include ultra-pure chemicals and delivery systems that prevent contamination during wet processing steps.

Innovation Initiatives:

  • Development of point-of-use chemical purification systems

  • Integration of monitoring and control technologies for process optimization


1️⃣ 10. Cabot Microelectronics Corporation

Headquarters: Aurora, Illinois, USA
Key Offering: CMP slurries, polishing pads, and surface preparation chemicals

Cabot Microelectronics is a leader in planarization technologies that are increasingly important for advanced solar cell manufacturing. Their products enable the precise surface finishing required for high-efficiency cell structures.

Innovation Initiatives:

  • Adaptation of semiconductor CMP technology for photovoltaic applications

  • Sustainable chemistry development reducing waste and water usage

Get Full Report Here: Global Photovoltaic Wet Process Additive Market – View in Detailed Research Report


☀️ Outlook: The Future of Photovoltaic Manufacturing Is Smarter and More Efficient

The photovoltaic wet process additive market is experiencing rapid technological evolution. As solar cell efficiencies approach theoretical limits, the precision and quality of wet processing chemicals become increasingly critical for incremental gains and cost reduction.

📈 Key Trends Shaping the Market:

  • Transition to n-type cell technologies (TOPCon, HJT) requiring specialized chemicals

  • Development of additive formulations for perovskite and tandem cell manufacturing

  • Increasing focus on sustainability through chemical recycling and reduced consumption

  • Integration of Industry 4.0 technologies for real-time process monitoring and control

Get Full Report Here: Global Photovoltaic Wet Process Additive Market – View in Detailed Research Report

The companies listed above are not only supplying essential chemicals—they’re enabling the technological advancement that will power our sustainable energy future.