Supercapacitors are widely accepted as one of the energy storage devices in the realm of the sustainable and renewable energy storage world. Supercapacitors emerge as good alternate for traditional capacitors...
Ni-doped SnO2 nanoparticles
were synthesized by a coprecipitation
route and showed superior properties for a series of different applications.
The 1 atom % Ni-doped SnO2 NPs exhibited excellent electrochemical
performance as supercapacitors to deliver a specific capacitance of
793 F g–1 at an applied current density of 2.5 A
g–1 in a KOH electrolyte while retaining its capacitance
over 1250 cycles. The energy-dependent (100, 150, and 200 μJ)
nonlinear absorption behavior of the Ni-doped SnO2 NPs
was investigated and found to be due to the effective two-photon absorption
with free carrier absorption. A clad-modified fiber-optic gas-sensor
setup was used to sense the ammonia at ambient temperature. Further,
the photocatalytic degradation of Rhodamine B, Congo red, and Direct
red dyes by the Ni-doped SnO2 NPs was examined under visible-light
irradiation.
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