Innovation-driven solar cell technologies delivering higher efficiency, reliability, and performance for tomorrow’s energy needs.
As the world shifts towards renewable energy, Solar PV is becoming smarter, more efficient, highly adaptable and flexible. Whether it’s powering homes, factories, farms, or even remote villages, solar energy is shaping a greener tomorrow. Backed by constant innovation, supportive policies, and growing awareness, solar PV is not just a technology-it’s the future of sustainable living.
A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect. It is a form of photoelectric cell, a device whose electrical characteristics (such as current, voltage and resistance) vary when it is exposed to light.
A solar cell works on the principle of light absorption and charge separation. When photons from sunlight strike the silicon surface, they generate electron-hole pairs. The built-in electric field at the p-n junction separates these charge carriers, directing them to flow in opposite directions. Once connected in a circuit, this movement produces an electric current. As the fundamental unit of solar modules, Solar cells play a vital role in photovoltaic power generation.
Figure 1. Scheme of a Typical Solar Cell.
Since the early development of conventional solar cells, PV technology has advanced significantly. In recent years, innovations such as Passivated Emitter and Rear Cell (PERC), Tunnel Oxide Passivated Contact (TOPCon), heterojunction (HJT) back contact (xBC), and Tandem solar cells have pushed the boundaries of efficiency. These cutting-edge designs enable higher power generation from the same amount of sunlight, making solar energy more efficient, accessible, and cost-effective than ever before.
Figure 2. Schematic diagram of the evolution of c‐Si solar cells. The efficiency data presented is based on laboratory or industrial data from recent years.
TOPCon (Tunnel Oxide Passivated Contact) solar cells represent the advanced step in
solar innovation. They are designed to deliver higher efficiency and long-term reliability.
The secret lies in their advanced rear-surface design: an ultra-thin tunnel oxide layer
combined with a doped polysilicon layer. This structure allows electricity to flow smoothly while preventing energy losses caused by recombination.
Figure 3. Schematic of TOPCon cell
Figure 4. Layer by Layer view of TOPCon Cell
Figure 5. Fabrication process of TOPCon cell
Type | Cell Size | Efficiency (%) | Power per cell (Wp) | No of Busbars | G12R | 182.3*210mm | 25.5 | 9.75 | 16 |
|---|
From the Himalayas to the coastlines, from rooftops to farmlands – India’s Sunshine turns every space into Solar potential.
We at Jakson Solar proudly announce the start of construction of our integrated 6 GW Solar PV manufacturing facility in Madhya Pradesh, India. In Phase I, we will establish 3 GW of Solar modules and 3 GW of TOPCon Solar cells, with the first batch of modules rolling out by Q2 2026 and cells by Q4 2026. Subsequent Phases will include backward integration into ingots and wafer production while further expanding Solar module and cell manufacturing.
This expansion is more than just numbers – it is a promise to India’s renewable energy future, built on world-class efficiency, sustainability, affordability, and innovation, reflecting our unwavering commitment to a brighter and greener tomorrow.
As we move forward on the journey of sustainability, affordability, and versatility, our new manufacturing plant will feature cutting-edge facilities that reflect Jakson’s vision and collaboration towards building a cleaner and greener future for the nation.
| Efficiency (%) | Pmpp (Wp) | Impp (A) | Vmpp (V) | Isc (A) | Voc (V) | FF (%) |
|---|---|---|---|---|---|---|
| 25.7 | 9.83 | 15.26 | 0.644 | 15.627 | 0.739 | 85.12 |
| 25.6 | 9.79 | 15.225 | 0.643 | 15.591 | 0.738 | 85.08 |
| 25.5 | 9.75 | 15.1869 | 0.642 | 15.5602 | 0.737 | 85.02 |
| 25.4 | 9.71 | 15.1482 | 0.641 | 15.5302 | 0.736 | 84.95 |
| 25.3 | 9.68 | 15.125 | 0.640 | 15.5179 | 0.735 | 84.87 |
| 25.2 | 9.64 | 15.0861 | 0.639 | 15.4876 | 0.734 | 84.80 |
| 25.1 | 9.60 | 15.047 | 0.638 | 15.4462 | 0.733 | 84.79 |
| 25.0 | 9.56 | 15.0078 | 0.637 | 15.412 | 0.732 | 84.74 |
| 24.9 | 9.52 | 14.9686 | 0.636 | 15.3776 | 0.731 | 84.69 |
| 24.8 | 9.48 | 14.9291 | 0.635 | 15.343 | 0.730 | 84.64 |
| 24.7 | 9.45 | 14.9054 | 0.634 | 15.3245 | 0.729 | 84.59 |
| 24.6 | 9.41 | 14.8657 | 0.633 | 15.2914 | 0.728 | 84.53 |
| 24.5 | 9.37 | 14.8259 | 0.632 | 15.2564 | 0.727 | 84.48 |
| 24.4 | 9.33 | 14.7861 | 0.631 | 15.223 | 0.726 | 84.42 |
| 24.3 | 9.29 | 14.746 | 0.630 | 15.1876 | 0.725 | 84.37 |
| 24.2 | 9.25 | 14.7059 | 0.629 | 15.1539 | 0.724 | 84.31 |
| Thermal Rating (Temperature Coefficient) | |
| Temperature Coefficient of Isc (α) | 0.046%/K |
| Temperature Coefficient of Pmax (γ) | -0.30%/K |
| Temperature Coefficient of Voc (β) | -0.25 %/K |