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Nippon Fine Chemical gains on development of hole transport material for inverted perovskite solar cells

Thu May 28, 2026 3:19 pm JST Catalyst

Shares of Nippon Fine Chemical Co., Ltd. <4362> rose in late afternoon trading, rebounding for the first time in four days. The company announced on Thursday that it has developed a new hole transport material for inverted perovskite solar cells, Spirokite-TTB (generic name Spiro-TTB), boosting investor sentiment. Nippon Fine Chemical previously manufactured and sold Spirokite-NS (generic name Spiro-MeOTAD), a hole transport material widely adopted in standard-structure perovskite solar cells. The company stated that the new development will allow it to expand into inverted perovskite solar cells and perovskite/silicon tandem solar cells.

Source: MINKABU PRESS

*Translated by generative AI. Click here for the original article.

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