scholarly journals Extending Carrier Lifetimes in Lead Halide Perovskites with Alkali Metals by Passivating and Eliminating Halide Interstitial Defects

2020 ◽  
Vol 132 (12) ◽  
pp. 4714-4720 ◽  
Author(s):  
Lu Qiao ◽  
Wei‐Hai Fang ◽  
Run Long ◽  
Oleg V. Prezhdo
Keyword(s):  
Alkali Metals ◽  
Carrier Lifetimes ◽  
Interstitial Defects ◽  
Halide Perovskites ◽  
Lead Halide

Optical characterizations of the surface states in hybrid lead–halide perovskites

2016 ◽  
Vol 18 (18) ◽  
pp. 12626-12632 ◽  
Author(s):  
Weiguang Kong ◽  
Tao Ding ◽  
Gang Bi ◽  
Huizhen Wu
Keyword(s):  
Electronic States ◽  
Surface States ◽  
Deep Trap ◽  
Dangling Bonds ◽  
Carrier Lifetimes ◽  
Halide Perovskites ◽  
And Diffusion ◽  
Lead Halide

It is demonstrated that the optical dynamics in MAPbI3 is primarily determined by the surface states. Pb dangling bonds in MAPbI3 introduce shallow electronic states, whereas rich-iodine surface of MAPbI3 induces deep trap centers for carriers which are detrimental to carrier lifetimes and diffusion lengths.

scholarly journals Identifying defect-tolerant semiconductors with high minority-carrier lifetimes: beyond hybrid lead halide perovskites

2015 ◽  
Vol 5 (2) ◽  
pp. 265-275 ◽  
Author(s):  
Riley E. Brandt ◽  
Vladan Stevanović ◽  
David S. Ginley ◽  
Tonio Buonassisi
Keyword(s):  
Minority Carrier ◽  
Carrier Lifetimes ◽  
Minority Carrier Lifetimes ◽  
Halide Perovskites ◽  
Image Position ◽  
Lead Halide

Abstract

Anharmonicity Extends Carrier Lifetimes in Lead Halide Perovskites at Elevated Temperatures

2019 ◽  
Vol 10 (20) ◽  
pp. 6219-6226 ◽  
Author(s):  
Wei Li ◽  
Andrey S. Vasenko ◽  
Jianfeng Tang ◽  
Oleg V. Prezhdo
Keyword(s):  
Elevated Temperatures ◽  
Carrier Lifetimes ◽  
Halide Perovskites ◽  
Lead Halide

THERMAL TRANSPORT BEHAVIORS IN LEAD HALIDE PEROVSKITES

2018 ◽  
Author(s):  
Wee-Liat Ong ◽  
Giselle Elbaz ◽  
Evan A. Doud ◽  
Philip Kim ◽  
Daniel Paley ◽  
...  
Keyword(s):  
Thermal Transport ◽  
Halide Perovskites ◽  
Lead Halide

Revealing the Impact of Cesium/Rubidium Incorporation on the Photophysics of Multiple-Cation Lead Halide Perovskites

2019 ◽  
Author(s):  
Yajun Gao ◽  
Kai wang ◽  
mingcong wang ◽  
Jafar Khan ◽  
Ahmed Balawi ◽  
...  
Keyword(s):  
Halide Perovskites ◽  
The Impact ◽  
Lead Halide

Shedding Light on Optoelectronic Structure Rationalization and Photophysical Pathways in Lead Halide Perovskites - a Single Crystal Story

2018 ◽  
Author(s):  
Masoumeh Keshavarz ◽  
Steffen Wiedmann ◽  
Robert Küchler ◽  
Haifeng Yuan ◽  
Elke Debroye ◽  
...  
Keyword(s):  
Single Crystal ◽  
Halide Perovskites ◽  
Lead Halide

Extending the Compositional Space of Mixed Lead Halide Perovskites by Cs, Rb, K, and Na Doping

2018 ◽  
Vol 122 (25) ◽  
pp. 13548-13557 ◽  
Author(s):  
T. Jesper Jacobsson ◽  
Sebastian Svanström ◽  
Virgil Andrei ◽  
Jasmine P. H. Rivett ◽  
Nikolay Kornienko ◽  
...  
Keyword(s):  
Na Doping ◽  
Halide Perovskites ◽  
Compositional Space ◽  
Lead Halide
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