10.1021/acsami.5b04640.s001
Soundarrajan Chandrasekaran
Soundarrajan
Chandrasekaran
Thomas J. Macdonald
Thomas J.
Macdonald
Andrea R. Gerson
Andrea R.
Gerson
Thomas Nann
Thomas
Nann
Nicolas H. Voelcker
Nicolas H.
Voelcker
Boron-Doped
Silicon Diatom Frustules as a Photocathode
for Water Splitting
American Chemical Society
2015
Water SplittingAn
biosilica nanostructures
magnesiothermic conversion
antireflective properties
biomineralizing microalgae
hydrogen production
Diatom frustules
indium phosphide nanocrystal layers
energy conversion
diatom
Hydrogen production
fuel vectors
Aulacoseira sp
nanostructured silicon
iron sulfur carbonyl electrocatalyst
water splitting
2015-08-12 00:00:00
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Boron_Doped_Silicon_Diatom_Frustules_as_a_Photocathode_for_Water_Splitting/2141296
An
effective solar-powered silicon device for hydrogen production
from water splitting is a priority in light of diminishing fossil
fuel vectors. There is increasing demand for nanostructuring in silicon
to improve its antireflective properties for efficient solar energy
conversion. Diatom frustules are naturally occurring biosilica nanostructures
formed by biomineralizing microalgae. Here, we demonstrate magnesiothermic
conversion of boron-doped silica diatom frustules from Aulacoseira sp. into nanostructured silicon with
retention of the original shape. Hydrogen production was achieved
for boron-doped silicon diatom frustules coated with indium phosphide
nanocrystal layers and an iron sulfur carbonyl electrocatalyst.