Stefan, Mihaela C.
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Mihaela Stefan is a member of the faculty in the Department of Chemistry. Her expertise is in polymer and organic chemistry and her research has centered on the synthesis and characterization of novel polymeric materials for applications in organic electronics and medicine.
Learn more about Dr. Stefan's work on her Faculty and Research, Research Group and Research Explorer pages.
Works in Treasures @ UT Dallas are made available exclusively for educational purposes such as research or instruction. Literary rights, including copyright for published works held by the creator(s) or their heirs, or other third parties may apply. All rights are reserved unless otherwise indicated by the copyright owner(s).
Recent Submissions
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Halide-Free Neodymium Phosphate Based Catalyst for Highly cis-1,4 Selective Polymerization of Dienes
(Royal Soc Chemistry, 2019-01-24)Neodymium-based Ziegler-Natta type catalytic systems are known to produce polydienes with high cis-1,4 content. It is generally believed that in Ziegler-Natta catalytic systems, a halide or pseudohalide, whether in the ... -
Synthesis of P3HT Base Semiconducting Hybrid Films and Their Photocatalytic Properties
(Springer New York LLC, 2019)Regioregular poly(3-hexylthiophene) (rr-P3HT) was employed as the supporting polymeric matrix to generate hybrid composite films by mixing with natural zeolites, ZnO, and TiO₂. Several P3HT-based hybrid composite films ... -
Synthesis and Opto-Electronic Properties of Functionalized Pyrimidine-Based Conjugated Polymers
Side chain engineering has been used for tuning the opto-electronic properties of organic semiconductors. In this work, a series of pyrimidine-based donor-acceptor (D-A) conjugated polymers functionalized with electron-withdrawing ... -
Novel Chlorhexidine-Loaded Polymeric Nanoparticles for Root Canal Treatment
Persistence of microorganisms in dentinal tubules after root canal chemo-mechanical preparation has been well documented. The complex anatomy of the root canal and dentinal buffering ability make delivery of antimicrobial ... -
Peg Based Anti-Cancer Drug Conjugated Prodrug Micelles for the Delivery of Anti-Cancer Agents
(Royal Soc Chemistry, 2015-12-09)Due to the high cost and uncertain success of new drug development, tremendous effort is devoted to increasing the efficacy of established anti-cancer drugs. Development of polymer prodrug conjugates has evolved recently ... -
Biocompatible Organic Charge Transfer Complex Nanoparticles Based on a Semi-Crystalline Cellulose Template
(Royal Society of Chemistry, 2015-06-19)Using a bio-inspired cellulose template, new charge transfer (CT) nanoparticles (NPs) with unique and intriguing emission properties are reported. Pyrene-modified 2,3-di-O-methyl cellulose formed CT complexes with small ... -
Developments of Furan and Benzodifuran Semiconductors for Organic Photovoltaics
(Royal Society of Chemistry, 2015-02-13)This review describes the developments of organic photovoltaic materials containing furan or benzo[1,2-b:4,5-b']difuran (BDF) building blocks. Promising power conversion efficiencies above 6% have been achieved in the past ... -
Fine-tuning Thermoresponsive Functional Poly(ε-caprolactone)s to Enhance Micelle Stability and Drug Loading
(Royal Society of Chemistry, 2015-01-16)Block copolymers synthesized by the ring-opening polymerization of γ-2-[2-(2-methoxyethoxy)ethoxy]ethoxy-ε-caprolactone (ME₃CL), γ-2-methoxyethoxy-ε-caprolactone (ME₁CL), and ε-caprolactone (CL) are reported. Previously, ... -
A Semiconducting Liquid Crystalline Block Copolymer Containing Regioregular Poly-(3-hexylthiophene) and Nematic Poly(n-hexyl Isocyanate) and its Application in Bulk Heterojunction Solar Cells
(Royal Soc Chemistry, 2014-08-06)A liquid crystalline diblock copolymer containing regioregular poly(3-hexylthiophene) (P3HT) and poly-(n-hexyl isocyanate) (PHIC) was synthesized by the combination of Grignard metathesis polymerization (GRIM) and titanium ... -
Benzodithiophene Homopolymers Synthesized by Grignard Metathesis (GRIM) and Stille Coupling Polymerizations
(Royal Soc Chemistry, 2014-04-16)Poly{4,8-bis(95-dodecylthiophene-2-yl) benzo[1,2-b: 4,5-b'] dithiophene} has been synthesized by both Grignard metathesis (P1) and Stille coupling polymerizations (P2). Polymers P1 and P2 were characterized and their ... -
Self-Assembly of a Conjugated Triblock Copolymer at the Air-Water Interface
(2013-06-27)Controlling the self-assembly of highly luminescent conjugated polymers is essential for preparing various optoelectronic devices. In this study, a polyisoprene-b-polystyrene-b-poly(3-hexylthiophene) (PI-PS-P3HT) triblock ... -
Synthesis and Characterization of a Polyisoprene-b-polystyrene-b-poly(3-hexylthiophene) Triblock Copolymer
(2012-12-06)A polyisoprene-b-polystyrene-b-poly(3-hexylthiophene) triblock copolymer was synthesized by anionic coupling of living polyisoprene-b-polystyryl lithium with allyl-terminated poly(3-hexylthiophene). The triblock copolymer ... -
Structural Variation of Donor-Acceptor Copolymers Containing Benzodithiophene with Bithienyl Substituents to Achieve High Open Circuit Voltage in Bulk Heterojunction Solar Cells
(Royal Soc Chemistry, 2013-11-06)Three new donor-acceptor copolymers P1, P2, and P3 were synthesized with benzodithiophene with bithienyl substituents as the donor and 5,6-difluorobenzo[c][1,2,5]thiadiazole, 4,7-di(thiophen-2-yl)benzo[c][1,2,5] thiadiazole, ... -
Synthesis and characterization of novel semiconducting polymers containing pyrimidine
(Royal Soc Chemistry, 2013-02-27)The acidic methyl protons of 4,6-dimethylpyrimidines can be easily deprotonated with a base to generate a resonance stabilized carbanion which can be used as a substrate for aldol condensation reactions. A series of novel ... -
Role of the Transition Metal in Grignard Metathesis Polymerization (GRIM) of 3-Hexylthiophene
(2013-09-09)Regioregular poly(3-alkylthiophene)s are widely used in organic electronics applications such as solar cells and field effect transistors. Nickel, palladium, and platinum diphenylphosphinoethane complexes were tested as ... -
Grignard Metathesis (GRIM) Polymerization for the Synthesis of Conjugated Block Copolymers Containing Regioregular Poly(3-Hexylthiophene)
(2011-11-28)The synthesis of various conjugated block copolymers of regioregular poly(3-hexylthiophene) by Grignard metathesis (GRIM) polymerization is described. © 2012 The Royal Society of Chemistry
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