A high performance photothermal film with spherical shell-type metallic nanocomposites for solar thermoelectric conversion

Atsuko Kosuga; Yasuyuki Yamamoto; Moe Miyai; Mie Matsuzawa; Yushi Nishimura; Shimpei Hidaka; Kohei Yamamoto; Shin Tanaka; Yojiro Yamamoto; Shiho Tokonami; Takuya Iida

doi:10.1039/C5NR00943J

A high performance photothermal film with spherical shell-type metallic nanocomposites for solar thermoelectric conversion†

Atsuko Kosuga,*^a Yasuyuki Yamamoto,^bc Moe Miyai,^b Mie Matsuzawa,^a Yushi Nishimura,^bc Shimpei Hidaka,^ac Kohei Yamamoto,^ac Shin Tanaka,^ac Yojiro Yamamoto,^d Shiho Tokonami^a and Takuya Iida*^ab

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^a Nanoscience and Nanotechnology Research Center, Osaka Prefecture University, Sakai 599-8570, Japan
E-mail: t-iida@p.s.osakafu-u.ac.jp, a-kosuga@21c.osakafu-u.ac.jp

^b Department of Physical Science, Graduate School of Science, Osaka Prefecture University, Sakai 599-8531, Japan

^c Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan

^d GreenChem Inc., Sakai 599-8241, Japan

Abstract

A photothermal film (PTF) with densely assembled gold nanoparticle-fixed beads on a polymer substrate is fabricated. Remarkably, a temperature rise higher than 40 °C is achieved in the PTF with only 100 seconds of artificial solar irradiation, and the output power of the thermoelectric device was enhanced to be one order higher than that without PTF. These results will pioneer a rapid solar thermoelectric device.

Nanoscale

A high performance photothermal film with spherical shell-type metallic nanocomposites for solar thermoelectric conversion†

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