A Highly Conductive n-Type Coordination Complex with Thieno[3,2-b]thiophene Units: Facile Synthesis, Orientation, and Thermoelectric Properties

Article Chemistry, Physical

Visible light-induced enhancement in the Seebeck coefficient of PEDOT:PSS composites with two-dimensional potassium poly-(heptazine imide)

Binrong Li et al.

Summary: This study reveals a significant enhancement in the Seebeck coefficient and power factor of materials by exposure to visible light, which is attributed to the light-induced electron excitation and transfer mechanism.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Multidisciplinary

Dichlorinated Dithienylethene-Based Copolymers for Air-Stable n-Type Conductivity and Thermoelectricity

Jinfeng Han et al.

Summary: By coupling difluoro- and dichloro-substituted forms of the electron-deficient unit BDOPV with the donor moiety ClTVT, two donor-acceptor (D-A) polymers were obtained with different conductivity and power factors when doped with N-DMBI and CoCp2. The air stability and performance of the doped devices were significantly influenced by the choice of polymers and dopants, as observed through X-ray scattering and atomic force microscopy.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Persistent Conjugated Backbone and Disordered Lamellar Packing Impart Polymers with Efficient n-Doping and High Conductivities

Yang Lu et al.

Summary: A simple solution-based co-deposition method has been reported to achieve high conductivity n-doped polymers. These polymers exhibit surprising structural tolerance and excellent miscibility with commonly used n-dopants, allowing high concentrations and high mobility of charge carriers simultaneously, resulting in excellent electrical conductivity and thermoelectric performance.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Acene Ring Size Optimization in Fused Lactam Polymers Enabling High n-Type Organic Thermoelectric Performance

Hu Chen et al.

Summary: In this study, three n-type fused lactam semiconducting polymers were synthesized via a transition-metal free aldol polycondensation method, showing progressively larger electron affinities as the central acene core size decreases. The N-N and A-N polymers exhibited the highest charge carrier mobilities and power factors among the three polymers, representing promising candidates for high-performance n-type materials in thermoelectric applications. The results highlight the effectiveness of modulating the size of the central acene ring as a molecular design strategy to optimize the electronic and thermoelectric performance of conjugated polymers.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Multidisciplinary Sciences

Transition metal-catalysed molecular n-doping of organic semiconductors

Han Guo et al.

Summary: The study presents a method for achieving higher n-doping efficiency in a shorter time using precursor molecular dopants, as well as discussing the technological implications for improved semiconductor devices and new opportunities in n-doping research and applications.

NATURE (2021)

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Article Multidisciplinary Sciences

A high-conductivity n-type polymeric ink for printed electronics

Chi-Yuan Yang et al.

Summary: The team reported an alcohol-based, high-performance, and stable n-type conductive ink with high electrical conductivity and stability, which is of great significance for the realization of high-performance organic electronic devices.

NATURE COMMUNICATIONS (2021)

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Review Chemistry, Multidisciplinary

Achieving Efficient n-Doping of Conjugated Polymers by Molecular Dopants

Yang Lu et al.

Summary: Molecular doping is a central proposition in organic electronics, involving intermolecular charge transfer between organic conjugated materials and molecular dopants. While there is a focus on improving p-doping efficiency and electrical conductivity, the development of n-type molecular doping lags behind. Efficient p- and n-type molecular doping are both essential for organic electronic devices, emphasizing the need to achieve efficient n-doping in conjugated polymers.

ACCOUNTS OF CHEMICAL RESEARCH (2021)

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Review Chemistry, Multidisciplinary

Unconventional Thermoelectric Materials for Energy Harvesting and Sensing Applications

Matteo Massetti et al.

Summary: The study of thermoelectric materials has shifted towards the use of carbon-based semiconductors, which are attracting attention due to their high abundance of atomic elements, easy processing, and low thermal conductivity. Constant discoveries of new materials and concepts have expanded the applications of thermoelectric materials. This review is divided into three sections, covering the basic principles of thermoelectric effects, efforts on developing devices utilizing these effects, and investigations on state-of-the-art thermoelectric materials.

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Article Chemistry, Multidisciplinary

Controlling the Thermoelectric Properties of Organometallic Coordination Polymers via Ligand Design

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The Critical Role of Dopant Cations in Electrical Conductivity and Thermoelectric Performance of n-Doped Polymers

Yang Lu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Multidisciplinary Sciences

A thermally activated and highly miscible dopant for n-type organic thermoelectrics

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NATURE COMMUNICATIONS (2020)

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Monoradicals and Diradicals of Dibenzofluoreno[3,2-b]fluorene Isomers: Mechanisms of Electronic Delocalization

Hideki Hayashi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Physical

Doping mechanisms of N-DMBI-H for organic thermoelectrics: hydrogen removal vs. hydride transfer

Yan Zeng et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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High-performance, air-stable, n-type thermoelectric films from a water-dispersed nickel-ethenetetrathiolate complex and ethylene glycol

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Progress in Nickel-Coordinated Polymers as Intrinsically Conducting n-Type Thermoelectric Materials

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Thermoelectric Properties of PEDOT:PSS

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Rigid Coplanar Polymers for Stable n-Type Polymer Thermoelectrics

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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Systematic Power Factor Enhancement in n-Type NiETT/PVDF Composite Films

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Polymer films with ultrahigh thermoelectric properties arising from significant seebeck coefficient enhancement by ion accumulation on surface

Zeng Fan et al.

NANO ENERGY (2018)

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Enhanced n-Doping Efficiency of a Naphthalenediimide-Based Copolymer through Polar Side Chains for Organic Thermoelectrics

David Kiefer et al.

ACS ENERGY LETTERS (2018)

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Tuning the thermoelectric performance of p- d conjugated nickel coordination polymers through metal- ligand frontier molecular orbital alignment

Xue Yong et al.

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Naphthodithiophenediimide-Benzobisthiadiazole-Based Polymers: Versatile n-Type Materials for Field-Effect Transistors and Thermoelectric Devices

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Flexible n-Type High-Performance Thermoelectric Thin Films of Poly(nickel-ethylenetetrathiolate) Prepared by an Electrochemical Method

Yuanhui Sun et al.

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Efficient Synthesis of One- and Two-Dimensional Multimetallic Gold-Bis(dithiolene) Complexes

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EUROPEAN JOURNAL OF INORGANIC CHEMISTRY (2016)

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A Biradical Balancing Act: Redox Amphoterism in a Diindenoanthracene Derivative Results from Quinoidal Acceptor and Aromatic Donor Motifs

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Novel Nanodispersed Polymer Complex, Poly(nickel 1,1,2,2-ethenetetrathiolate): Preparation and Hybridization for n-Type of Organic Thermoelectric Materials

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Semi-metallic polymers

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Enhanced thermoelectric performance of PEDOT with different counter-ions optimized by chemical reduction

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Enhanced thermoelectric properties of PEDOT: PSS nanofilms by a chemical dedoping process

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Engineered doping of organic semiconductors for enhanced thermoelectric efficiency

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Organic Thermoelectric Materials and Devices Based on p- and n-Type Poly(metal 1,1,2,2-ethenetetrathiolate)s

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Semiconducting π-Conjugated Systems in Field-Effect Transistors: A Material Odyssey of Organic Electronics

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Optimization of the thermoelectric figure of merit in the conducting polymer poly(3,4-ethylenedioxythiophene)

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A Highly Conductive n-Type Coordination Complex with Thieno[3,2-b]thiophene Units: Facile Synthesis, Orientation, and Thermoelectric Properties

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