Issue 45, 2021

Lanthanide-doped nanoparticles in photovoltaics – more than just upconversion

Abstract

Development of photon conversion nanomaterials could principally leverage unutilized portions of the solar spectrum to address the increasing demand for renewable energy. However, improving photovoltaic performance using lanthanide-doped, spectral-converting nanomaterials remains a challenge. For photon upconversion, the most significant issues lie in their low quantum efficiencies and the need for high-power laser excitation. Despite these constraints, lanthanide-doped upconversion nanomaterials hold great promise to enhance the light-harvesting capacity and the conversion efficiency of existing solar cell modules. In this review, we highlight recent advances in developing high-efficiency upconversion nanoparticles for photovoltaic application. Special attention will be paid to fundamental energy transfer mechanisms, the survey of strategies for nanoparticle synthesis and surface modification, and various schemes of nanoparticle integration into photovoltaic devices. We also discuss future research directions and practical challenges in coupling upconversion nanomaterials with existing photovoltaic technologies.

Graphical abstract: Lanthanide-doped nanoparticles in photovoltaics – more than just upconversion

Article information

Article type
Review Article
Submitted
27 5 2021
Accepted
13 8 2021
First published
20 8 2021

J. Mater. Chem. C, 2021,9, 16110-16131

Lanthanide-doped nanoparticles in photovoltaics – more than just upconversion

P. Zhang, L. Liang and X. Liu, J. Mater. Chem. C, 2021, 9, 16110 DOI: 10.1039/D1TC02441H

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