Results 201 to 210 of about 15,877 (265)

Single-photon emission from two-dimensional perovskites channeled through low-energy edge states. [PDF]

Nat Commun
Na G, Park JY, So JP, Guo P, Dou L, Park HG.   +5 more
europepmc   +1 more source

Rare‐Earth Mediated Engineering in ZnSe@ZnS:Eu3+ to Simultaneously Achieve Structural Modulation and Atomic Eu Doping Sites for X‐Ray Imaging

Advanced Science, EarlyView.
A dual hard‐base anchoring strategy was developed to synthesize ZnSe@ZnS:Eu3+ quantum dots, leveraging fluoride‐oleylamine interactions to create surface atomic Eu doping sites. By precisely tuning temperature, Eu3+ concentration, and fluoride levels, we obtain morphologies ranging from tip growth to coupled flower‐like structures.
Jicun Ma, Chenhao Yang, Jiada Fan, Haorong Jiao, Jiawang Liu, Jialiang Xu, Hui Cai, Yinghui Wang, Boyuan Shen, Jiabin Cui   +9 more
wiley   +1 more source

Metal Halide Perovskites for Violet and Ultraviolet Light Emission. [PDF]

ACS Nano
Fernández S, Hu M, Colenbrander TK, Mbachu D, Congreve DN.   +4 more
europepmc   +1 more source

Pressure‐Driven Phase Transition Unlocking Unique Eu2+ Luminescence in Li2SrSiO4 for Optical Sensing and White‐LEDs

Advanced Science, EarlyView.
This study demonstrates, for the first time, the use of a large‐format high‐pressure press to modify synthesized Li2SrSiO4:Eu2+,Cs+ phosphors after its preparation. The pressure treatment results in the formation of new materials with distinctive optical properties, opening pathways for the development of advanced LED devices and high‐performance ...
Przemysław Woźny, Peng Du, Teng Zheng, Junpeng Xue, Liang Peng, Shuailing Ma, Szymon Sobczak, Victor Lavín, Tian Cui, Marcin Runowski   +9 more
wiley   +1 more source

First-principles optimization of thermoelectric and optoelectronic performance of KSn_1-<i>x</i> Zn _<i>x</i> I₃ (<i>x</i> = 0, 0.25, 0.5, 0.75, 1) perovskites for sustainable energy harvesting. [PDF]

RSC Adv
Ahmed U, Sayem Rahman ASM, Jui JA, Hossain MM, Uddin MM, Ali MA.   +5 more
europepmc   +1 more source

Bias‐Tunable Two‐Terminal Organic Photodetector for Intelligent Imaging

Advanced Science, EarlyView.
A vertically stacked two‐terminal photodetector with a symmetric donor–acceptor–donor trilayer active exhibits reconfigurable photoresponse with bias‐tunable magnitude and polarity, together with sub‐millisecond response speed and a wide tunable output window.
Sangin Hahn, Sanghoon Park, Seunghyup Yoo   +2 more
wiley   +1 more source

Thermodynamic Stability and Hydrogen Bonds in Mixed Halide Perovskites. [PDF]

J Phys Chem Lett
Camayo-Gutierrez L, Ubeda J, Montero-Alejo AL, Grau-Crespo R, Menéndez-Proupin E.   +4 more
europepmc   +1 more source

Machine Learning Accelerated Non‐Adiabatic Molecular Dynamics Elucidates Local Polarization Effects on Non‐radiative Recombination in Halide Perovskites

Advanced Science, EarlyView.
This work proposes and constructs the Hefei‐NAMD‐S framework based on machine learning stacked models to investigate the relationship between local polarization and non‐radiative recombination. The results indicate that, compared with A‐site local polarization, B‐site local polarization shows a more evident association with the non‐radiative ...
Bing Yang, Xiaoli Wei, Bo Cai, Yan Yang, Xinghai Zhu, Yi Liu, Junmin Xia, Lihui Liu, Kun Cao, Wei Shen, Pengfei Xia, Shufen Chen, Siyu Chen, Jin Zhao   +13 more
wiley   +1 more source

Spin-polarized DFT study of Pr₂EuMO₆ (M = Co, Fe) double perovskites for spintronic and energy applications. [PDF]

RSC Adv
Ali A, Khan G, Gul T, Azam S, Fareha, Oqilat O, Ahmad H.   +6 more
europepmc   +1 more source

Ultrafast Hot‐Carrier Cooling in CsPbBr3 Supercrystals via Long‐Range Electronic Coupling

Advanced Science, EarlyView.
CsPbBr3 supercrystal self‐assembly, which induces long‐range electronic coupling, enables spatial carrier delocalization that accelerates carrier‐LO phonon scattering and weakens the Auger heating. These effects enable ultrafast, excitation‐intensity‐independent hot‐carrier cooling, offering a trade‐off‐free strategy for high‐performance perovskite ...
Junhong Yu, Manoj Sharma, Yadong Han, Ke Wang, Zhenzhong Lian, Chang Cao, Lan Nguyen, Naufan Nurrosyid, Baiquan Liu, Jacek J. Jasieniak   +9 more
wiley   +1 more source