Solar driven energy conversion applications based on 3C-SiC

• There is a strong and growing worldwide research on exploring renewable energy resources. Solar energy is the most abundant, inexhaustible and clean energy source, but there are profound material challenges to capture, convert and store solar energy. In this work, we explore 3C-SiC as an attractive material towards solar-driven energy conversion applications: (i) Boron doped 3C-SiC as candidate for an intermediate band photovoltaic material, and (ii) 3C-SiC as a photoelectrode for solar-driven water splitting. Absorption spectrum of boron doped 3C-SiC shows a deep energy level at ~0.7 eV above the valence band edge. This indicates that boron doped 3C-SiC may be a good candidate as an intermediate band photovoltaic material, and that bulk like 3C-SiC can have sufficient quality to be a promising electrode for photoelectrochemical water splitting.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Materialteknik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Materials Engineering (hsv//eng)

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Nyckelord

Cubic silicon carbide (3C-SiC)

Photoelectrochemical (PEC) water splitting

Solar cell

Absorption spectroscopy

Electrochemistry

Energy conversion

Energy resources

Epitaxial growth

Photoelectrochemical cells

Renewable energy resources

Silicon

Solar cells

Solar energy

Solar power generation

Clean energy sources

Deep energy levels

Intermediate bands

Photoelectrochemical water splitting

Photovoltaic materials

Valence band edges

Water splitting

Silicon carbide

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