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Traditional inorganic semiconductors can be electronically doped with high precision. Conversely, there is still conjecture regarding the assessment of the electronic doping density in metal-halide perovskites, not to mention of a control…

The control over material properties attainable through molecular doping is essential to many technological applications of organic semiconductors, such as OLED or thermoelectrics. These excitonic semiconductors typically reach the…

Materials Science · Physics 2021-07-14 Massimiliano Comin , Simone Fratini , Xavier Blase , Gabriele D'Avino

To be practical, semiconductors need to be doped. Sometimes, to nearly degenerate levels, e.g. in applications such as thermoelectric, transparent electronics or power electronics. However, many materials with finite band gaps are not…

Doping is of great importance to tailor the electrical properties of semiconductors. However, the present doping methodologies for organic semiconductors (OSCs) are either inefficient or can only apply to a small number of OSCs, seriously…

The recombination of charges is an important process in organic photonic devices because the process influences the device characteristics such as the driving voltage, efficiency and lifetime. By combining the dipole trap theory with the…

Materials Science · Physics 2017-08-04 Chang-Heon Lee , Jeong-Hwan Lee , Kwon-Hyeon Kim , Jang-Joo Kim

Doped organic semiconductors are critical to emerging device applications, including thermoelectrics, bioelectronics, and neuromorphic computing devices. It is commonly assumed that low conductivities in these materials result primarily…

The following article presents a multi-length-scale characterization approach for investigating doping chemistry and spatial distributions within semiconductors, as demonstrated using a state-of-the-art CMOS image sensor. With an intricate…

Modifying the optoelectronic properties of nanostructured materials through introduction of dopant atoms has attracted intense interest. Nevertheless, the approaches employed are often trial and error, preventing rational design. We…

Materials Science · Physics 2021-07-13 Michael G. Taylor , Heather J. Kulik

Research on conjugated polymers for thermoelectric applications has made tremendous progress in recent years, which is accompanied by surging interest in molecular doping as a means to achieve the high electrical conductivities that are…

The doping of semiconductor materials is a fundamental part of modern technology, but the classical approaches have in many cases reached their limits both in regard to achievable charge carrier density, as well as mobility. Modulation…

Materials Science · Physics 2019-07-08 Mirko Weidner , Anne Fuchs , Thorsten J. M. Bayer , Karsten Rachut , Getnet K. Deyu , Andreas Klein

Based on a self-consistent $t$-matrix approximation, we explore the influence of magnetic and nonmagnetic doping on the surface electronic states and conductivity of topological insulators. We show that warping parameter has a crucial…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 Masomeh Arabikhah , Alireza Saffarzadeh

The electrochemical doping transformation in organic semiconductor devices is studied in application to light-emitting cells. It is shown that the device performance can be significantly improved by utilizing new fundamental properties of…

Materials Science · Physics 2012-09-14 V. Bychkov , P. Matyba , V. Akkerman , M. Modestov , D. Valiev , G. Brodin , C. K. Law , M. Marklund , L. Edman

Modeling the electronic and optical properties of organic semiconductors remains a challenge for theory, despite the remarkable progress achieved in the last three decades. The complexity of these systems, including structural (dis)order…

Materials Science · Physics 2023-02-15 Caterina Cocchi , Michele Guerrini , Jannis Krumland , Ngoc Trung Nguyen , Ana M. Valencia

Most traditional semiconductor materials are based on the control of doping densities to create junctions and thereby functional and efficient electronic and optoelectronic devices. The technology development for halide perovskites had…

Materials Science · Physics 2021-12-08 Basita Das , Irene Aguilera , Uwe Rau , Thomas Kirchartz

The possibilities to increase the static conductivity of PVC compared to the initial antistatic level, for PVC plasticate obtained with effective plasticizer - a so called modifier of type A, and partial thermal dehydrochlorination for…

Mesoscale and Nanoscale Physics · Physics 2012-08-22 V. I. Krystob , L. A. Apresyan , D. V. Vlasov , T. D. Vlasova

Detailed understanding of the role of single dopant atoms in host materials has been crucial for the continuing miniaturization in the semiconductor industry as local charging and trapping of electrons can completely change the behaviour of…

Strongly Correlated Electrons · Physics 2019-02-05 F. Massee , Y. K. Huang , M. S. Golden , M. Aprili

The doping and temperature dependent conductivity of electron-doped cuprates is analysed. The variation of kinetic energy with doping is shown to imply that the materials are approximately as strongly correlated as the hole-doped materials.…

Strongly Correlated Electrons · Physics 2015-01-09 A. J. Millis , A. Zimmers , R. P. S. M. Lobo , N. Bontemps

Doping mobile carriers into ordinary semiconductors such as Si, GaAs, and ZnO was the enabling step in the electronic and optoelectronic revolutions. The recent emergence of a class of "Quantum Materials", where uniquely quantum…

Materials Science · Physics 2020-11-30 Alex Zunger , Oleksandr I. Malyi

Doping of strongly layered ionic oxides is an established paradigm for creating novel electronic behavior. This is nowhere more apparent than in superconductivity, where doping gives rise to high temperature superconductivity in cuprates…

Superconductivity · Physics 2013-07-17 E. R. Ylvisaker , W. E. Pickett

Transport of charge carriers can be controlled by doping through chemical and physical means. Unlike chemical doping, physical doping is carried out by a special technique through gate voltages in a field-effect transistor geometry. This…

Superconductivity · Physics 2007-05-23 M. P. Das , F. Green
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