scispace - formally typeset
Search or ask a question

What is self-doping in the context of semiconductors? 


Best insight from top research papers

Self-doping in the context of semiconductors refers to a method of increasing carrier concentrations in organic electronics without the need for external molecular dopants. It involves the use of self-doped organic semiconductors, which can be achieved by incorporating sterically encumbered ammoniums with short tethers and Lewis basic counterions . Self-doping eliminates the requirement to tailor host-dopant miscibility, making it a more convenient approach for increasing carrier concentrations . The efficiency, stability, morphology, and charge-carrier mobility of self-doped organic semiconductors are influenced by factors such as steric encumbrance, counterion selection, and dopant/PDI tether distance . In addition, water is found to inhibit self-doping, suggesting that thermal degradation is primarily driven by residual solvent evaporation . The design principles for self-doped materials include the use of sterically encumbered ammoniums, short tethers, and Lewis basic counterions .

Answers from top 5 papers

More filters
Papers (5)Insight
The provided paper does not specifically mention the term "self-doping" in the context of semiconductors.
Self-doping in semiconductors refers to the process of increasing carrier concentrations without the use of external dopants, by incorporating electron sources such as amines or ammonium counterions into the material itself.
Self-doping in the context of semiconductors refers to the process of increasing carrier concentrations in organic electronics without the use of extrinsic molecular dopants.
Self-doping is a doping method applied to organic semiconductors, but the paper does not provide a specific definition or explanation of self-doping.
Self-doping is a doping method used in organic semiconductors, but the paper does not provide a specific definition or explanation of self-doping.

Related Questions

How does semiconductor doping affect the efficiency of photocatalysis in energy conversion?5 answersSemiconductor doping has been found to significantly affect the efficiency of photocatalysis in energy conversion. Doping with cation and anion combinations can enhance the photocatalytic activity by tuning the band gap, increasing charge carrier density, and forming trapping sites. However, bulk defects induced by doping can act as recombination centers, accelerating the recombination of carriers and reducing photocatalytic performance. Doping with elements such as phosphorus can inhibit carrier recombination, increase electric conductivity, and narrow the band gap, leading to improved catalytic performance. Introducing spatially separated electron and hole regions through sulfur doping can boost the charge-transfer exciton with a long-lived state, resulting in high-efficiency photocatalytic performance. Doping semiconductor nanocrystals with carbon-based materials like graphene can enhance the efficiency of transforming air pollutants into less harmful chemicals. Overall, semiconductor doping plays a crucial role in improving the efficiency of photocatalysis in energy conversion by manipulating charge dynamics and enhancing light absorption.
What is self concept?5 answersSelf-concept refers to the overall image or awareness that individuals have of themselves, including their perceptions, feelings, beliefs, and values associated with their sense of self. It is a cognitive structure comprised of mental representations of oneself, responsible for integration and processing, and is considered the cornerstone of personality. The self-concept is a combination of what individuals think of themselves, what they believe others think about them, and their ideal of the person they wish to become. It is an organized structure of perceptions of one's characteristics and abilities, as well as perceptions of oneself in relation to others and the environment. Self-concept is also closely related to self-esteem, which involves judgments of oneself, while self-concept involves value perceptions of personal characteristics and abilities. The study of self-concept is important in understanding human behavior and is driven by individuals' desire to know more about themselves and understand what makes them tick.
Doping enhanced thermoeletric properties in topological insulator5 answersDoping has been shown to enhance the thermoelectric properties of topological insulators. In the case of Pb0.6Sn0.4Te, K doping breaks the crystal mirror symmetry locally and widens the electronic band gap, resulting in improved thermoelectric performance with a figure of merit (ZT) of 1 at 708 K. Similarly, Na doping in Pb0.6Sn0.4Te also breaks the crystal symmetry and opens up a bulk electronic band gap, leading to a promising ZT of 1 at 856 K. These studies demonstrate that chemical doping can alter the electronic structure of topological insulators and improve their thermoelectric properties. Additionally, nanostructuring and alloying have been shown to enhance the figure of merit ZT of thermoelectric materials, as observed in PbSnTe nanowires with improved thermopower and suppressed thermal conductivity.
Can doping be used to improve the thermoelectric performance of topological insulators?5 answersDoping can be used to improve the thermoelectric performance of topological insulators. The addition of O atoms to Sb drastically reduces its lattice thermal conductivity, resulting in excellent thermoelectric performance. In topological crystalline insulators, breaking crystal symmetry through chemical doping can widen the band gap and improve thermoelectric properties. Doping nonmagnetic impurities in two-dimensional topological insulators can significantly enhance the thermoelectric transport, with the thermoelectric figure of merit (ZT) exceeding 1. Additionally, the tunable band gap in topological insulator films, achieved through hybridization and application of an exchange field, enhances thermoelectric transport and is suitable for heat to electric energy conversion and thermoelectric cooling.
What is the definition of self-leadership?5 answersSelf-leadership is the process of determining oneself to establish self-direction and self-motivation to perform. It is a competency that influences positive outcomes such as work engagement, optimism, trust, commitment, satisfaction, creativity, and innovation. Self-leadership is characterized by spontaneous and active behavior or mindset, where individuals lead themselves in challenging situations through learned behaviors that can be enhanced through training. It is particularly relevant in the context of remote work, where traditional leadership approaches may be ineffective. Self-leadership is essential for social workers to achieve positive change. In German, self-leadership is referred to as "Selbststeuerung," which is a goal-oriented self-influencing process.
How do you define self plagiarism?5 answersSelf-plagiarism is the act of reusing one's own previous work without proper referencing. It is considered a form of ethical misconduct in scientific publishing and is seen as detrimental to the integrity of science. Self-plagiarism can take various forms, including duplicate publication of an article in multiple journals, partitioning one study into multiple publications, text recycling, and copyright infringement. While self-plagiarism may not be considered a legal infringement, it is seen as a violation of the principles of reliability and ethics in science. The consequences of self-plagiarism can include withdrawal of published manuscripts, loss of credibility and reputation, and disciplinary actions such as suspension or termination. It is important for authors to be aware of the definition of self-plagiarism and take steps to avoid it, such as properly referencing their previous work and seeking permission when necessary.