Cellulose is the most common and abundant bioresource on Earth, mainly originating from higher plants. In 2008, we successfully developed transparent paper using cellulose nanofibers for the first time. Currently, we are aiming to functionalize transparent paper and other cellulose nanofiber materials for various applications.

The industrial application of quantum beam will rapidly expand in the field such as high-volume production of semiconductor devices. Cancer therapy using ionizing radiation has also attracted much attention. In Department of Beam Materials Science, the radiation-induced chemical reaction and reaction field have been investigated using state-of-the-art quantum beam (electron, extreme ultraviolet radiation, laser, synchrotron radiation, X-ray, gamma-ray, ion beam). We have studied the chemical reaction system from the energy deposition on materials to the expression of material function. On the basis of these studies, we have designed a noble chemical reaction system.