Near-IR Quantum Cutting Phosphors: A Step Towards Enhancing Solar Cell Efficiency
- Near-IR Quantum Cutting Phosphors: A Step Towards Enhancing Solar Cell Efficiency
- Abhijit P Jadhav; 소반 칸; 김선진; 조소혜
- Quantum cutting; Near-infrared; Phosphor; Luminescence; Energy transfer
- Issue Date
- Applied Science and Convergence Technology
- VOL 23, NO 5, 221-239
- The global demand for energy has been increasing since past decades. Various technologies
have been working to find a suitable alternative for the generation of sustainable energy.
Photovoltaic technologies for solar energy conversion represent one of the significant routes
for the green and renewable energy production. Despite of remarkable improvement in solar
cell technologies, the generation of power is still suffering with lower energy conversion
efficiency, high production cost, etc. The major problem in improving the PV efficiency is
spectral mismatch between the incident solar spectrum and bandgap of a semiconductor
material used in solar cell. Luminescent materials such as rare-earth doped phosphor materials
having the quantum efficiency higher than unity can be helpful for photovoltaic applications.
Quantum cutting phosphors are the most suitable candidates for the generation of two or
more low-energy photons for the absorption of every incident high-energy photons. The
phosphors which are capable of converting UV photon to visible and near-IR (NIR) photon
are studied primarily for photovoltaic applications. In this review, we will survey various
near IR quantum cutting phosphors with respective to their synthesis method, energy transfer
mechanism, nature of activator, sensitizer and dopant materials incorporation and energy
conversion efficiency considering their applications in photovoltaics.
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