Near-Infrared-to-Deep-Blue Photon Upconversion Engineered from PbS Quantum Dots and Perylene Derivatives

Hongyu Li; Qingxin Luan; Shuai Zhang; Lin Xi; Yanan Feng; Lili Hou

doi:10.1039/d5sc09759b

January 1, 2026Chemical ScienceOpen Access

Near-Infrared-to-Deep-Blue Photon Upconversion Engineered from PbS Quantum Dots and Perylene Derivatives

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Key Points

The aim is to develop an efficient method for photon upconversion using PbS quantum dots and perylene derivatives.
Utilization of triplet–triplet annihilation (TTA) for photon upconversion.
Synthesis of PbS quantum dots and perylene derivatives.
Characterization of spectral properties and upconversion efficiency.
Achieved significant anti-Stokes shift in photon conversion efficiency.
Established effective energy transfer between quantum dots and perylene derivatives.
Demonstrated potential applications in solar energy harvesting and bioimaging.

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Implication

Innovative photon upconversion reveals potential for solar energy applications, highlighting efficiency improvements.

Abstract

Near-infrared (NIR)-to-visible light triplet–triplet annihilation photon upconversion (TTA-UC) holds great promise for solar energy harvesting, photochemistry, and bioimaging. However, achieving a large apparent anti-Stokes shift from the NIR to the...

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Li et al. (2026) studied this question.

synapsesocial.com/papers/6997f9edad1d9b11b3452c5a https://doi.org/10.1039/d5sc09759b

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Near-Infrared-to-Deep-Blue Photon Upconversion Engineered from PbS Quantum Dots and Perylene Derivatives

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Near-Infrared-to-Deep-Blue Photon Upconversion Engineered from PbS Quantum Dots and Perylene Derivatives

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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