Intermolecular Transfer to Polymer in the Radical Polymerization of . Jul 27, 2016 . While intramolecular transfer to polymer is more prevalent than the intermolecular pathway, intermolecular transfer to polymer is of particular importance for understanding polymer microstructures. Despite this, the magnitude of the rate coefficient is uncertain, and therefore, predicting the effects of..
Donor cceptor Random versus Alternating Copolymers for . Mar 10, 2016 . Thus, we highlight the importance of developing random copolymers with controlled D:A compositions for optimizing their optoelectronic properties and performances of PSCs. Also, we compared the polymer packing structure and the electrical properties between the P(BDTT-r-DPP) and P(BDTT-alt-DPP)..
Donor cceptor Porous Conjugated Polymers for Photocatalytic . Sep 13, 2016 . Porous conjugated polymer (PCP) is a new kind of photocatalyst for photocatalytic hydrogen production (PHP). Here, we report the importance of the electronic properties of acceptor comonomer in determining the reactivity of 4,8-di(thiophen-2-yl)benzo[1,2-b:4,5-b dithiophene (DBD)-based PCP..
Star Polymers - Chemical Reviews (ACS Publications) Jun 14, 2016 . Hence, they constitute a unique class of technologically important nanomaterials that have been utilized or are currently under audition for many applications in life sciences and nanotechnologies. This article first provides a comprehensive summary of synthetic strategies towards star polymers, then..
Polymer improves stability of protein drug | Chemical & Engineering . Feb 3, 2017 . his is a promising alternative to PEG, the staple polymer conjugated to protein drugs, says Theresa M. Reineke of the University of Minnesota. Maynard has already begun testing the trehalose glycopolymer with other therapeutic proteins. Stabilizing these drugs is important in the U.S., she says, but also..
Redox Active Polymers as Soluble Nanomaterials for Energy . Sep 27, 2016 . In this Account, we highlight redox active polymers (RAPs) and related polymer colloids as soluble nanoscopic energy storing units that enable the simple but powerful size-exclusion concept for NRFBs. Crossover of the redox component is suppressed by matching high molecular weight RAPs with simple..
Importance of Disordered Polymer Segments to Microstructure . Jun 30, 2011 . While regulation of the nanoscale microstructure of the active layers in organic bulk heterojunction (BHJ) solar cells, particularly for conjugated polymer ullerene blend systems, has been shown to be highly important when maximizing power conversion efficiency, little is known about the role of disordered..
Recent Progress in High Refractive Index Polymers - ACS Publications Feb 25, 2015 . This Perspective describes the recent progress in high refractive index (n) polymers over the past decade and focuses on the design concept to increase n values and Abbe's number (谓) of polymers. After a brief introduction of the basic methodology for developing high-n polymers and important parameters..
50th Anniversary Perspective: Polymers with Complex Architectures . Feb 9, 2017 . The scope of this Perspective is to highlight innovative contributions in the synthesis of well-defined complex macromolecular architectures and to emphasize the importance of these materials to polymer physical chemistry, physics, theory, and applications. In addition, this Perspective tries to enlighten the..
Dynamics in Supramolecular Polymer Networks Formed by . Sep 21, 2016 . Dissociating sticker dynamics from chain relaxation in supramolecular polymer networks he importance of free partner! J. Brassinne , A. Cadix , J. Wilson , E. van Ruymbeke. Journal of Rheology 2017 61 (6), 1123-1134..
Understanding Polymer Properties Important for Crystal Growth . Apr 27, 2012 . The effectiveness of a group of chemically diverse polymers was quantified, enabling key polymer properties important for crystal growth inhibition of ritonavir to be elucidated. The effectiveness of the cellulose derivatives relative to the synthetic polymers was attributed to a moderate level of hydrophobicity,..
Solution Conformation of Polymer Brushes Determines Their . Oct 11, 2017 . However, little is known of the parameters regulating the adsorption and infiltration of DNA molecules at the surface of positively charged polymer brushes, despite the importance of such processes for gene delivery. Here we investigate the role of the molecular environment (e.g., pH, type of buffer,..
Correction to ottlebrush Polymer Synthesis by Ring-Opening . Dec 27, 2016 . Correction to ottlebrush Polymer Synthesis by Ring-Opening Metathesis Polymerization: The Significance of the Anchor Group Scott C. Radzinski, Jeffrey C. Foster, Robert C. Chapleski
Competitive and Synergistic Interactions between Polymer Micelles . Nov 9, 2016 . Competitive and Synergistic Interactions between Polymer Micelles, Drugs, and Cyclodextrins: The Importance of Drug Solubilization Locus . Polymeric micelles, in particular PEO-PPO-based Pluronic, have emerged as promising drug carriers, while cyclodextrins (CD), cyclic oligosaccharides with an..
Role of Molecular Weight on the Mechanical Device Properties of . Jan 24, 2014 . For semiconducting polymers, such as regioregular poly(3-hexylthiophene-2,5-diyl) (rr-P3HT), the molecular weight has been correlated to charge carrier field-effect mobilities, surface morphology, and gelation rates in solution and therefore has important implications for long-term reliability, manufacturing,..
Alpha and Omega: Importance of the Nonliving Chain End in RAFT . Jul 16, 2014 . Consecutive chain extensions via the RAFT process have been carried out, and polymers were investigated via ESI-MS to elucidate for the first time the chain end distributions in high detail. In this manner, the number of chains carrying living chain ends is assessed as well as the number of polymers..
Polymer-Based Organic Batteries - Chemical Reviews (ACS . Aug 1, 2016 . This review provides a comprehensive overview of these systems and discusses the numerous classes of organic, polymer-based active materials as well as auxiliary components of the battery, like additives or electrolytes. Moreover, a definition of important cell characteristics and an introduction to..
Aqueous Copper(II) Photoinduced Polymerization of Acrylates: Low . May 17, 2016 . Aqueous Copper(II) Photoinduced Polymerization of Acrylates: Low Copper Concentration and the Importance of Sodium Halide Salts. Glen R. Jones Richard Whitfield Athina Anastasaki €? and David M. Haddleton €? Chemistry Department, University of Warwick, Library Road, CV4 7AL Coventry,..
Enhancing Mechanical Properties of Highly Efficient Polymer Solar . Jan 14, 2015 . The PS NPs played two important roles; i.e., they served as (1) binders in the PEDOT:PSS films, and (2) interfacial modifiers between ABL and the active layer, resulting in remarkable improvement of the mechanical integrity of the PSCs. The addition of PS NPs enhanced the inherent mechanical toughness..
From Fullerene olymer to All-Polymer Solar Cells: The Importance . Oct 18, 2016 . Importance of 2D Conjugated Side Chains of Benzodithiophene-Based Polymers in Controlling Polymer Packing, Interfacial Ordering, and Composition Variations of All-Polymer Solar Cells. Changyeon Lee , Thota Giridhar , Joonhyeong Choi , Seonha Kim , Youngwoong Kim , Taesu Kim , Wonho Lee..
Importance of 2D Conjugated Side Chains of Benzodithiophene . Oct 11, 2017 . We delineate the important role of 2D conjugated alkylthiophene side chains of polymers in manipulating the molecular orientation and ordering at the polymer donor/polymer acceptor (PD/PA) interface as well as the composition variations in the blend active layer of all-polymer solar cells (all-PSCs)
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