期刊
NANOMATERIALS
卷 5, 期 4, 页码 1782-1809出版社
MDPI
DOI: 10.3390/nano5041782
关键词
photovoltaic; upconversion; efficiency
类别
资金
- National Science Foundation of China [51102066]
- National Science Fund for Distinguished Young Scholars [51325201]
- International Cooperation Project in the Ministry of Science and Technology [2014DFA50740]
- Program for Basic Research Excellent Talents in Harbin Institute of Technology, China [BRETIII 2012018]
- Fundamental Research Funds for the Central Universities, China [AUGA 5710052614]
Photovoltaic cells are able to convert sunlight into electricity, providing enough of the most abundant and cleanest energy to cover our energy needs. However, the efficiency of current photovoltaics is significantly impeded by the transmission loss of sub-band-gap photons. Photon upconversion is a promising route to circumvent this problem by converting these transmitted sub-band-gap photons into above-band-gap light, where solar cells typically have high quantum efficiency. Here, we summarize recent progress on varying types of efficient upconversion materials as well as their outstanding uses in a series of solar cells, including silicon solar cells (crystalline and amorphous), gallium arsenide (GaAs) solar cells, dye-sensitized solar cells, and other types of solar cells. The challenge and prospect of upconversion materials for photovoltaic applications are also discussed.
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