Photovoltaic Materials Group

Solar cells has highly attracted great interest in order to solve the global warming and other environmental issues. Focusing on creating second and third generation solar cells with ultra-high energy conversion efficiency and low manufacturing cost, our main objectives are elucidating photoelectric conversion mechanism, developing new solar cell structure, and generating new solar cell materials.

Quantum dot solar cells

Quantum dot solar cell is a solar cell utilizing quantum dots of nanometer size. We work on research of device and materials, aiming for realization of high efficiency solar cell.

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Pb-free perovskite solar cells

Development of efficient perovskite solar cell based on lead free perovskite layer and new charge transporting materials (ETM and HTM) which is environment friendly.

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Si heterojunction (SHJ) solar cells

Si heterojunction (SHJ) solar cells are Japan-made high-efficiency Si solar cells.
We are working on technologies required for realization of high-efficiency & low-cost SHJ solar cells using very-thin Si wafers (t< 80 μm), such as advanced light-trapping and high-quality surface passivation.

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Photovoltaic Materials Group
1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047 JAPAN
National Institute for Materials Science (NIMS)
1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, JAPAN
TEL.+81-(0)-29-859-2000
FAX.+81-(0)-29-859-2029