The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
Broadband Near‐Infrared Garnet Phosphors with Near‐Unity Internal Quantum Efficiency
Abstract
Compact near‐infrared (NIR) light sources with broad emission band are essential to enable NIR spectroscopy compatible with portable devices, and phosphor‐converted light emitting diodes (pc‐LEDs) are efficient, low‐cost, and compact light sources. However, it is more challenging to develop highly efficient and thermally stable broadband NIR phosphors than conventional phosphors for white LEDs. Here, a series of solid solution phosphors with broadband NIR emission designed by cationic substitution in Cr 3+ activated garnet Gd 3 Sc 2 Ga 3 O 12 are reported. The internal quantum efficiency of Cr 3+ emission can be significantly improved to nearly 100% via the substitution of ScO 6 with smaller AlO 6 octahedrons, which is attributed to the reduction of antisite defects. Moreover, the phosphor with optimized composition shows highly thermally stable emission, which renders the as‐fabricated pc‐LED with high‐power (750.8 mW) NIR emission covering the wavelength range of 700–1000 nm. The results could advance the development of NIR pc‐LEDs as high‐performance light sources for miniature NIR spectrometers.
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Light in diagnosis, therapy and surgery
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Divalent europium-doped near-infrared-emitting phosphor for light-emitting diodes
Qiao, J., Zhou, G., Zhou, Y., Zhang, Q., & Xia, Z. (2019) · Nature Communications · doi:10.1038/s41467-019-13293-0 · Cited by 661
Rajendran, V., Fang, M.-H., Guzman, G. N. D., Lesniewski, T., Mahlik, S., Grinberg, M., Leniec, G., Kaczmarek, S. M., Lin, Y.-S., Lu, K.-M., et al. (2018) · ACS Energy Letters · doi:10.1021/acsenergylett.8b01643 · Cited by 448
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A high efficiency broad-band near-infrared Ca2LuZr2Al3O12:Cr3+ garnet phosphor for blue LED chips
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Sr[Li2Al2O2N2]:Eu2+—A high performance red phosphor to brighten the future
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Cited by
Advances in Chromium‐Activated Phosphors for Near‐Infrared Light Sources
Zhao, F., Song, Z., & Liu, Q. (2022) · Laser & Photonics Reviews · doi:10.1002/lpor.202200380 · Cited by 490
Metadata
- Authors
- Basore, E. T., Xiao, W., Liu, X., Wu, J., & Qiu, J.
- Venue
- Advanced Optical Materials
- Publisher
- Wiley
- Published
- 2020-04-20
- Volume
- 8
- Issue
- 12
- ISSN
- 2195-1071 (ISSN-L)
- OpenAlex
- W3020404258
- Cited by
- 308
- References
- 27
- FWCI
- 15.57
- Type
- journal article
- Language
- en
- Open access
- closed
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