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In vivo NIR-II fluorescence imaging for biology and medicine
Owing to reduced light scattering and tissue autofluorescence, in vivo fluorescence imaging in the 1,000–3,000-nm near-infrared II (NIR-II) spectral...
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Intervalence charge transfer of Cr3+-Cr3+ aggregation for NIR-II luminescence
The increasing demand for high-contrast biological imaging, non-destructive testing, and infrared night vision can be addressed by the development of...
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Comparing the light response of D-glucose in polyacrylamide hydrogel and water in NIR spectral region by using an LED based portable device
The spectral properties of the molecules depend on the matrix in which the interactions with other molecules inside the matrix affect the vibrational...
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Wide near-infrared II emissions and LED application of Y2Ti2O7: Cr3+/Yb3+/Nd3+ phosphors
Y 2 Ti 2 O 7 :Cr 3+ /Yb 3+ /Nd 3+ phosphors with broadband near-infrared emission were developed by a high-temperature solid-state method. Under the excitation...
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Polyatomic molecules with emission quantum yields >20% enable efficient organic light-emitting diodes in the NIR(II) window
The emission of light by polyatomic molecules in the spectral region of the second near-infrared (NIR(II)) window is severely hampered by the energy...
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Optical absorption engineering in dispersive band structure of MWCNTs array: design and optimization of total absorber for NIR to MIR regime
In this paper, we design a total infrared (IR) absorber based on a dispersive band structure of two-dimensional (2D) multiwall carbon nanotube...
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Strategies to approach high performance in Cr3+-doped phosphors for high-power NIR-LED light sources
Broadband near-infrared (NIR)-emitting phosphors are key for next-generation smart NIR light sources based on blue LEDs. To achieve excellent NIR...
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Low-coherence semiconductor light sources: devices and applications
Since the invention of the laser, there have been countless applications that were made possible or improved through exploiting its multitude of...
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An Optoelectronic thermometer based on microscale infrared-to-visible conversion devices
Thermometric detectors are crucial in evaluating the condition of target objects spanning from environments to the human body. Optical-based thermal...
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Progress in group-IV semiconductor nanowires based photonic devices
Despite the dominance in consumer electronics, the use of group-IV semiconductors and their heterostructures is still limited for photonic devices,...
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Handwriting of perovskite optoelectronic devices on diverse substrates
Paper and textiles that are commonly used in our daily lives hold great potential as platforms for next-generation flexible and wearable electronics....
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Blue LED-pumped intense short-wave infrared luminescence based on Cr3+-Yb3+-co-doped phosphors
The growing demand for spectroscopy applications in the areas of agriculture, retail and healthcare has led to extensive research on infrared light...
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Investigation on single rare earth Dy3+ doped silver boro-phosphate glass for radiation shielding and led application
Dysprosium (Dy3 +) doped silver Boro-phosphate glass 30 B 2 O 3 + 40 P 2 O 5 + 5 AgO + 10 MgO + 9 ZnO + 5 BaO + 1 Dy 2 O 3 was created via melt quenching, and...
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Spectroscopic Investigation of Phosphate Glasses for Resins Free W-LED Applications
We prepare glasses with a chemical composition of 10NaO 2 -10SrO 2 -10Gd 2 O 3 -69P 2 O 5 -1Dy 2 O 3 (NSrODy) and 10NaF-10SrO 2 -10GdF 3 -69P 2 O 5 -1Dy 2 O 3 (NSrFDy)...
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Organic–Inorganic Hybrid Devices—Perovskite-Based Devices
As one of the most promising photovoltaic materials, the organic–inorganic metal halide perovskites have gained great attention worldwide during the...
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Spectroscopic Studies of Rare-Earth-Doped Glasses for LED Applications
Rare-earth ions exhibit beneficial features of shielding properties from external interaction and neighboring ligands due to 4f–4f transitions that...
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Trivalent chromium ion do** garnet phosphor with broadband near-infrared emission for night-vision applications
Phosphor-converted light-emitting diodes (pc-LEDs) with broadband near-infrared (NIR) emissions have garnered significant research interest. Their...
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Light-emitting diodes: brighter NIR-emitting phosphor making light sources smarter
A brighter near-infrared (NIR) phosphor is achieved by inhibiting the oxidation of Cr 3+ and reducing the surface defects of phosphor particles,...
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Organic Photovoltaic Devices
As discussed in the previous chapters, organic semiconductors with tailored chemical structures can achieve decent charge transport properties and...
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Bright and stable near-infrared lead-free perovskite light-emitting diodes
Long-wavelength near-infrared light-emitting diodes (NIR LEDs) with peak emission wavelengths beyond 900 nm are of critical importance for various...
