期刊
NANOSCALE
卷 13, 期 47, 页码 19890-19893出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nr06588b
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资金
- JSPS KAKENHI [JP20H02713, JP20K21211, JP20H05676, JP21J21739]
- Sekisui Chemical Co. Ltd.
This study demonstrates the first example of triplet-triplet annihilation-based photon upconversion from green light to ultraviolet light sensitized by lead halide perovskite nanocrystals. The combination of a new transmitter that extracts triplet energy from perovskite and a UV emitter with a low triplet energy level effectively lengthens the excitation wavelength of perovskite-sensitized upconverted UV emission.
The first example of triplet-triplet annihilation-based photon upconversion (TTA-UC) from green light to ultraviolet (UV) light sensitized by lead halide perovskite nanocrystals is demonstrated. The combination of a new transmitter that extracts triplet energy from perovskite and a UV emitter with a low triplet energy level lengthens the excitation wavelength of perovskite-sensitized upconverted UV emission.
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