Enhanced photoelectric performance of dual cations quantum dots …
All-inorganic CsPbBr3 perovskite quantum dots (PQDs) are promising candidates in perovskite solar cells (PSCs) due to its excellent stability. However, the large bandgap of PQDs and expensive materials of hole transport materials (HTMs) and noble metal proposed a major obstacle to promoting the further development of PSCs. Herein, a …
This review discusses the current status of lead-free, all-inorganic halide perovskite quantum dots (LFAIHP QDs). First, synthetic methods for producing quantum dots are introduced; then materials are discussed with a focus on tin, bismuth, antimony, copper-based and double perovskite quantum dots. The properties of these materials …
All-inorganic cesium lead iodide perovskite solar cells with …
Swarnkar, A. et al. Quantum dot-induced phase stabilization of α-CsPbI 3 perovskite for high-efficiency photovoltaics. Science 354, 92–95 (2016). Article ADS CAS Google Scholar
All-inorganic quantum-dot light-emitting diodes based on perovskite ...
Recently, both light-to-electricity and electricity-to-light conversion efficiencies of perovskite achieved a breakthrough, e.g. 22.1% for solar cells and 11.7% for light-emitting diodes (LEDs), so the next fatal problem towards practical application, the device stability, became the key issue in this field. Here, we report all-inorganic LEDs …
Flexible, Printable Soft‐X‐Ray Detectors Based on All‐Inorganic ...
By taking advantage of that, the direct detection of soft-X-ray-induced photocurrent is demonstrated in both rigid and flexible detectors based on all-inorganic halide perovskite quantum dots (QDs) synthesized via a solution process.
Applying organic–inorganic hybrid perovskite quantum dots (PQDs) to photocatalytic nitrogen fixation is hindered long-term by the inherent instability in water and tedious preparations. Here, to realize PQD-catalyzed photocatalytic N 2 reduction reaction (NRR), water-resistant PQDs are simply prepared through one-step electrospray …
All‐Inorganic Quantum‐Dot LEDs Based on a Phase‐Stabilized …
The all-inorganic nature of CsPbI 3 perovskites allows to enhance stability in perovskite devices. Research efforts have led to improved stability of the black phase in CsPbI 3 films; however, these strategies—including strain and doping—are based on organic-ligand-capped perovskites, which prevent perovskites from forming the close …
Highly Stable All‐Inorganic Perovskite Quantum Dots Using a …
To overcome these, highly stable perovskite quantum dots (PeQDs) are developed using excess Zn precursor and trioctylphosphine-oxide (TOPO). In particular, it …
CsPbX3 (X = Cl, Br or I) perovskite quantum dots (PQDs) have attracted tremendous attention due to their extraordinarily excellent optical properties. However, there is still an obstacle for their bio-application, which is limited …
Solution-processed colloidal lead halide perovskite quantum dots (QDs) are considered one of the promising candidates for next-generation photovoltaics (PVs) due to the excellent optoelectronic properties and low …
All-Inorganic Perovskite Quantum Dot-Monolayer MoS
In this work, taking advantage of an excellent light absorption coefficient, low-temperature solution-processability, and long charge carrier diffusion length, all-inorganic halides perovskite CsPbI 3− x Br x quantum …
Combining Perovskites and Quantum Dots: Synthesis, …
Incorporation of an ultra-thin interfacial layer of inorganic CsPbBr 1.85 I 1.15 perovskite quantum-dots showed potential regarding defect passivation at or near to the perovskite/HTM interface, which significantly suppressed …
Could halide perovskites revolutionalise batteries and …
With significant progress based on other materials such as quantum dots [30], layered oxides, ... Long cycling performance of LCA perovskite/Al battery at 0.3 Ag −1, ... chloride-based all-inorganic perovskite (CsPbCl 3) has also been designed as an anode for LIB and dual-ion batteries. As per the results, ...
The surface-enhanced Raman scattering of all-inorganic perovskite ...
In this study, composites composed of all-inorganic perovskite quantum dots (QDs) of CsPbBr 3 encapsulated in a metal–organic framework of ZIF-8 (CsPbBr 3 @ZIF-8) were prepared using an in situ chemical reduction method. For the first time, the CsPbBr 3 @ZIF-8 composites were used for surface-enhanced Raman scattering (SERS). The CsPbBr 3 …
All-Inorganic Perovskite Quantum Dots Based on InX
All-inorganic perovskite quantum dot (PeQD) light-emitting diodes (QLEDs) are promising candidates for the next-generation flat-panel displays and semiconductor lighting technology. However, the stability issues severely limit their commercial applications. In this study, highly stable CsPbX3 (X = Cl, Br, I) PeQD films …
Photocatalytic and Photoelectrochemical Degradation of Organic Compounds with All-Inorganic Metal Halide Perovskite Quantum Dots
Inspired by the outstanding optoelectronic properties reported for all-inorganic halide perovskite quantum dots (QDs), we have evaluated the potential of these materials toward the photocatalytic and photoelectrochemical degradation of organic compounds, taking the oxidation of 2-mercaptobenzothiazole (MBT) as a proof-of …
All‐Inorganic CsPbI3 Quantum Dot Solar Cells with Efficiency …
All-Inorganic CsPbI 3 Quantum Dot Solar Cells with Eciency over 16% by Defect Control Linlin Zhang, Cuiting Kang, Guizhi Zhang, Zhenxiao Pan,* Zhaoshuai Huang, ... all-inorganic perovskite QDSCs. Charge recombination loss caused by the defect states in QDs is one of the critical factors for the low eciency of all-
A Highly Sensitive UV–vis–NIR All‐Inorganic Perovskite Quantum Dot ...
All-inorganic perovskite quantum dots (IPQDs) are a promising material for use in various optoelectronic devices due to their excellent optoelectronic properties and high environmental stability.
All‐Inorganic Quantum‐Dot LEDs Based on a Phase‐Stabilized …
Research efforts have led to improved stability of the black phase in CsPbI 3 films; however, these strategies—including strain and doping—are based on organic …
CsPbBr3 quantum dots (QDs) were synthesized with toluene and n-hexane as solvent by hot-injection method. Radioluminescence spectra of CsPbBr3 QDs were characterized under different solvents, concentrations, and X-ray irradiation environments. The RL accounted for more than 18.1% of the total fluorescence of …
All-inorganic quantum-dot light-emitting diodes based on …
Here, we report all-inorganic LEDs including inorganic perovskite emitters (CsPbBr 3) and inorganic charge transport layers (CTLs), with an emphasis on the significantly …
Light–emitting diodes (LEDs) based on all–inorganic lead halide perovskite quantum dots (PQDs) have undergone rapid development especially in the past five years, and external quantum …
Research status of all-inorganic perovskite solar cells: A review
With the deepening of research, all-inorganic perovskite solar cells have achieved significant progress. In 2021, the Tian group prepared an all-inorganic …
Air-stable all-inorganic perovskite quantum dot inks for multicolor …
Recently, all-inorganic perovskite quantum dots (QDs) (CsPbX3, X = Cl, Br, I) as the emerging semiconductor materials have been intensively studied owing to superior optical properties. Currently, the strategy for preparation of inorganic perovskite QDs mainly focuses on the hot-injection method, but requires inert gas protection and is …
Confinement of all-inorganic perovskite quantum dots assembled …
Nucleation and growth of quantum dots (QDs) are thermodynamic processes driven by the total Gibbs free energy change (ΔG).We discuss the nucleation and growth theory of perovskite quantum dots (PeQDs) inside a metal–organic framework (MOF) as a strong constraint framework, which can effectively confine the size of QDs below 3 nm and …
Highly Stable All‐Inorganic Perovskite Quantum Dots Using a …
To overcome these, highly stable perovskite quantum dots (PeQDs) are developed using excess Zn precursor and trioctylphosphine-oxide (TOPO). In particular, it is clarified that Zn and TOPO are combined and these complexes are attached to the surface of the PeQDs through 31 P NMR.
All-Inorganic Perovskite Quantum Dots: Ligand Modification, Surface Treatment and …
All-inorganic perovskite CsPbX 3 (X = Cl, Br, and I) QDs exhibit outstanding optical performance, including high photoluminescent quantum yield (PLQY), high stability, low Auger recombination loss and …
Here, all-inorganic light-emitting diodes based on n-type perovskite quantum dots/p-Si heterojunction are fabricated. Both the green and the red light emission are achieved at room temperature. The output power density is 0.14 mW cm −2 for green light device and 0.25 mW cm −2 for the red one.
All-inorganic perovskite quantum dots CsPbX3 (Br/I) for highly ...
As a new family of fluorescent materials, all inorganic perovskite quantum dots (PQDs) CsPbX 3 (Cl, Br, I) have attracted rising attention due to their intrinsic optical superiorities and potential applications in various fields. This work takes advantage of the bright fluorescence of PQDs and the strong electrophilic properties of picric acid (PA) to …
Inorganic Halide Perovskite Quantum Dots: A Versatile …
Among these, inorganic perovskite quantum dots (QDs) stand out for their prominent merits, such as quantum confinement effects, high photoluminescence …
a–c, CQD–perovskite hybrid (CQD volume percentage is 3.9%); d–f, perovskite (MAPbI 3); g–i, CQDs.Images in b, e, and h are FFTs of the HRTEM images shown in a, and the yellow boxed regions ...
All-Inorganic Perovskite Quantum Dot-Monolayer MoS
In this work, taking advantage of an excellent light absorption coefficient, low-temperature solution-processability, and long charge carrier diffusion length, all-inorganic halides perovskite CsPbI 3− x Br x quantum dots are integrated with monolayer MoS 2 for high-performance and low-cost photodetectors.
