Charge transport in a two-dimensional hybrid metal halide thiocyanate compound

2017 ◽  
Vol 5 (24) ◽  
pp. 5930-5938 ◽  
Author(s):  
John G. Labram ◽  
Naveen R. Venkatesan ◽  
Christopher J. Takacs ◽  
Hayden A. Evans ◽  
Erin E. Perry ◽  
...  
Keyword(s):  
Charge Transport ◽  
Carrier Mobility ◽  
Metal Halide ◽  
Two Dimensional ◽  
Organic Metal ◽  
Microwave Conductivity ◽  
Time Resolved ◽  
Carrier Lifetimes

Time-resolved microwave conductivity reveals good carrier mobility and long carrier lifetimes in the layered organic metal halide compound (CH3NH3)2Pb(SCN)2I2.

Resolving in-plane and out-of-plane mobility using time resolved microwave conductivity

2020 ◽  
Vol 8 (31) ◽  
pp. 10761-10766
Author(s):  
Shirsopratim Chattopadhyay ◽  
Robert S. Kokenyesi ◽  
Min Ji Hong ◽  
C Lowell Watts ◽  
John G. Labram
Keyword(s):  
Carrier Mobility ◽  
Microwave Conductivity ◽  
Time Resolved ◽  
Out Of Plane

A strategy is demonstrated to evaluate the carrier mobility in-plane and out-of-plane using contactless time resolved microwave conductivity.

Modulation and evaluation of the charge carrier mobility in a polymer alloy of polythiophene and an insulating matrix with an electron accepting molecule

2015 ◽  
Vol 6 (32) ◽  
pp. 5860-5868 ◽  
Author(s):  
Takahiro Fukumatsu ◽  
Akinori Saeki ◽  
Shu Seki
Keyword(s):  
Charge Carrier ◽  
Absorption Spectroscopy ◽  
Carrier Mobility ◽  
Charge Carrier Mobility ◽  
Direct Access ◽  
Microwave Conductivity ◽  
Time Resolved ◽  
Polymer Alloy ◽  
Contact Measurements

Non-contact measurements with time-resolved microwave conductivity and absorption spectroscopy offer direct access to the charge carrier mobility in conjugated backbones.

Ambipolar Transport in Two-Dimensional Sn-Based Perovskite Field-Effect Transistors Using an Aliphatic Polymer-Assisted Method

2021 ◽  
Author(s):  
Fan Zhang ◽  
Quan Zhang ◽  
Xin Liu ◽  
Liang Qin ◽  
Yufeng Hu ◽  
...  
Keyword(s):  
Charge Transport ◽  
Field Effect ◽  
Carrier Mobility ◽  
Field Effect Transistors ◽  
Two Dimensional ◽  
Ambipolar Transport

Two-dimensional layered Sn-based perovskites with superior carrier mobility and excellent compatibility with the horizontal charge transport in field-effect transistors are promising channel materials. However, ambipolar characteristics cannot be achieved and...

scholarly journals Charge transport and mobility engineering in two-dimensional transition metal chalcogenide semiconductors

2016 ◽  
Vol 45 (1) ◽  
pp. 118-151 ◽  
Author(s):  
Song-Lin Li ◽  
Kazuhito Tsukagoshi ◽  
Emanuele Orgiu ◽  
Paolo Samorì
Keyword(s):  
Transition Metal ◽  
Charge Transport ◽  
Carrier Mobility ◽  
Recent Progress ◽  
Metal Chalcogenides ◽  
Two Dimensional ◽  
Metal Chalcogenide ◽  
Carrier Scattering ◽  
Chalcogenide Semiconductors ◽  
Transition Metal Chalcogenides

This review presents recent progress on charge transport properties, carrier scattering mechanisms, and carrier mobility engineering of two-dimensional transition metal chalcogenides.

scholarly journals Enhanced yield-mobility products in hybrid halide Ruddlesden–Popper compounds with aromatic ammonium spacers

2019 ◽  
Vol 48 (37) ◽  
pp. 14019-14026 ◽  
Author(s):  
Naveen R. Venkatesan ◽  
Ali Mahdi ◽  
Brian Barraza ◽  
Guang Wu ◽  
Michael L. Chabinyc ◽  
...  
Keyword(s):  
Carrier Mobility ◽  
Microwave Conductivity ◽  
Time Resolved ◽  
Enhanced Yield ◽  
Two Hybrid

Two hybrid halide Ruddlesden–Popper compounds using the cation 2-(4-biphenyl)ethylammonium show higher yield-carrier mobility products by time-resolved microwave conductivity than compounds with n-butylammonium cations.

scholarly journals Ultrafast correlated charge and lattice motion in a hybrid metal halide perovskite

2019 ◽  
Vol 5 (5) ◽  
pp. eaaw5558 ◽  
Author(s):  
Yang Lan ◽  
Benjamin J. Dringoli ◽  
David A. Valverde-Chávez ◽  
Carlito S. Ponseca ◽  
Mark Sutton ◽  
...  
Keyword(s):  
Room Temperature ◽  
Longitudinal Optical ◽  
Metal Halide ◽  
Thz Spectroscopy ◽  
Time Resolved ◽  
Carrier Lifetimes ◽  
Metal Halide Perovskite ◽  
Coherent Coupling ◽  
Halide Perovskites ◽  
Correlated Motion

Hybrid organic-inorganic halide perovskites have shown remarkable optoelectronic properties, exhibiting an impressive tolerance to defects believed to originate from correlated motion of charge carriers and the polar lattice forming large polarons. Few experimental techniques are capable of directly probing these correlations, requiring simultaneous sub–millielectron volt energy and femtosecond temporal resolution after absorption of a photon. Here, we use time-resolved multi-THz spectroscopy, sensitive to the internal excitations of the polaron, to temporally and energetically resolve the coherent coupling of charges to longitudinal optical phonons in single-crystal CH3NH3PbI3 (MAPI). We observe room temperature intraband quantum beats arising from the coherent displacement of charge from the coupled phonon cloud. Our measurements provide strong evidence for the existence of polarons in MAPI at room temperature, suggesting that electron/hole-phonon coupling is a defining aspect of the hybrid metal-halide perovskites contributing to the protection from scattering and enhanced carrier lifetimes that define their usefulness in devices.

Recent Advances toward Environment-Friendly Photodetectors Based on Lead-Free Metal Halide Perovskites and Perovskite Derivatives

2021 ◽  
Author(s):  
Ying Li ◽  
Zhifeng Shi ◽  
Wenqing Liang ◽  
Jingli Ma ◽  
Xu Chen ◽  
...  
Keyword(s):  
Charge Transport ◽  
Carrier Mobility ◽  
Optoelectronic Properties ◽  
Metal Halide ◽  
Lead Free ◽  
Environment Friendly ◽  
High Carrier Mobility ◽  
High Carrier ◽  
Halide Perovskites ◽  
Free Metal

Recently, metal-halide perovskites have emerged as promising materials for photodetectors (PDs) applications owing to their superior optoelectronic properties, such as ambipolar charge transport characteristics, high carrier mobility, and so on....

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