2019
DOI: 10.1039/c9ta01261c
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Quantum-cutting Yb3+-doped perovskite nanocrystals for monolithic bilayer luminescent solar concentrators

Abstract: Quantum-cutting Yb3+:CsPb(Cl1−xBrx)3 nanocrystals mitigate thermalization and reabsorption losses in a new monolithic bilayer luminescent solar concentrator device architecture.

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Cited by 76 publications
(83 citation statements)
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“…Most importantly, such codoped NCs with multiple emission channels hold a high potential to be applied in a wide range of applications, [45][46][47][48][49][50][51][52][53][54][55][56][57][58][59][60][61] including multiplexed biological labelling and sensing, [59] multi-channel photodetectors, [60] stimuli-responsive inks for coding, encryption and decryption, [61] and photon management devices. [45][46][47][48][49][50][51][52][53][54][55][56][57][58] Herein, we report a facile synthesis of Mn 2+ /Yb 3+ codoped CsPbCl 3 perovskite NCs (Scheme 1) through a hot-injection method. Owing to the completely separated energy relaxation channels among the intrinsic BG, Mn 2+ and Yb 3+ dopant emissions, the obtained Mn 2+ /Yb 3+ codoped CsPbCl 3 perovskite NCs exhibit a unique triple-wavelength emission profile simultaneously covering UV/blue (BG-PL), visible (Mn-PL) and NIR (Yb-PL) spectral regions.…”
Section: Doi: 101002/advs202001317mentioning
confidence: 99%
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“…Most importantly, such codoped NCs with multiple emission channels hold a high potential to be applied in a wide range of applications, [45][46][47][48][49][50][51][52][53][54][55][56][57][58][59][60][61] including multiplexed biological labelling and sensing, [59] multi-channel photodetectors, [60] stimuli-responsive inks for coding, encryption and decryption, [61] and photon management devices. [45][46][47][48][49][50][51][52][53][54][55][56][57][58] Herein, we report a facile synthesis of Mn 2+ /Yb 3+ codoped CsPbCl 3 perovskite NCs (Scheme 1) through a hot-injection method. Owing to the completely separated energy relaxation channels among the intrinsic BG, Mn 2+ and Yb 3+ dopant emissions, the obtained Mn 2+ /Yb 3+ codoped CsPbCl 3 perovskite NCs exhibit a unique triple-wavelength emission profile simultaneously covering UV/blue (BG-PL), visible (Mn-PL) and NIR (Yb-PL) spectral regions.…”
Section: Doi: 101002/advs202001317mentioning
confidence: 99%
“…It is worth noting that the highest total PL QY of codoped sample was 125.3%, which was ≈14 times and ≈2.6 higher than those of the undoped CsPbCl 3 NCs and the solely Mn 2+ doped CsPbCl 3 NCs, respectively (Table 1), and comparable to solely Yb 3+ doped CsPbCl 3 NCs with a similar Yb 3+ -doping concentration (Table S8, Supporting Information). [27][28][29]46,69] TR-PL spectroscopy measurements were carried out for all the six samples and the results are shown in Figure 3D-G and Table 1. Upon increasing the total doping concentrations, the excitonic BG-PL decay became faster as the fitted average PL lifetime (LT) decreased from 4.99 to 1.36 ns ( Figure 3D,G and Table S9, Supporting Information).…”
Section: Doi: 101002/advs202001317mentioning
confidence: 99%
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“…PbS/CdS, CdSe/CdS, and CuInSe/ZnS) are very sensitive to oxygen and moisture during the synthesis, purification and LSC preparation process, 8,38,[44][45][46][47] and some QDs contain toxic elements (e.g. Cd and Pb), [48][49][50][51] environmentally sensitive elements (e.g. Se and S), 38,47 or non-earth-abundant and expensive metals (e.g.…”
Section: Jianyong Yumentioning
confidence: 99%
“…Also, their attractive intrinsic optical properties, such as bandgap tunability, long carrier lifetime, high photoluminescence quantum yield, and narrow emission linewidths, render them promising materials for display applications. Using perovskite quantum dots (PQDs) or perovskite nanoparticles (PNPs) including all‐inorganic (e.g., CsPbX 3 ) and organic–inorganic (e.g., CH 3 NH 3 PbX 3 ) ones, a broad range of high‐performance solar cells, light emitting diodes (LED), lasing, waveguides, photodetectors, and field effect transistors have been developed in recent years.…”
mentioning
confidence: 99%