Inorganic and organometallic polymers

Abstract

This article provides an overview of research selected from the 2011 scientific literature involving polymers with inorganic elements as part of their backbone. HighlightsParticularly impressive breakthroughs from the area of inorganic and organometallic polymers include: the synthesis of an inverted bulk heterojunction (BHJ) solar cell featuring dithenylgermoles with an efficiency of 7.3%, 56 the discovery of a photocatalytic route to polyaminoboranes, 62 the controlled preparation of luminescent conjugated organoborane oligomers and the detailed evaluation of their opticoelectronic properties, 65 and the discovery of a reversible cross-linking reaction involving polyisoprene (PI) segments within a polyisoprene-polyferrocenylsilane block copolymer.

Bodipy Derivatives as Triplet Photosensitizers and the Related Intersystem Crossing Mechanisms

“…Triplet Photosensitizers (PSs) are compounds showing strong absorption of UV or visible light, efficient intersystem crossing (ISC), appropriate excited state redox potential, and long triplet-state lifetimes. These compounds are widely used for photo-driven energy transfer or electron transfer processes, which are the fundamental photophysical processes in photocatalysis, such as catalytic H 2 evolution by water splitting (DiSalle and Bernhard, 2011;Gärtner et al, 2011Gärtner et al, , 2012, photocatalytic redox synthetic organic reactions (Shi and Xia, 2012;Xuan and Xiao, 2012;Hari and König, 2013), photoreduction of CO 2 (Sato et al, 2013), photodynamic therapy (PDT) (Awuah and You, 2012;Kamkaew et al, 2013;Stacey and Pope, 2013;Jiang et al, 2016;Li et al, 2017), photon upconversion (triplet-triplet annihilation upconversion) (Singh- Rachford and Castellano, 2010;Ceroni, 2011;Zhao et al, 2011;Monguzzi et al, 2012;Simon and Weder, 2012;Zhou et al, 2015), photovoltaics (Guo et al, 2006;Dai et al, 2012;Bittner et al, 2014;Cheema et al, 2014;Etzold et al, 2015), and photo-initiated polymerizations (Goessl et al, 2001;Ho et al, 2010;Rivard, 2012;Cengiz et al, 2017). It is highly desired to find a chromophore to develop a series of triplet PSs to meet these requirements.…”

Are the Accompanying Cations of Doping Anions Influential in Conducting Organic Polymers? The Case of the Popular PEDOT

“…[2a,c] Currently,t he study of polymers incorporating transition metals is gaining momentum because of the inherentc atalytic, magnetic, redox,a nd absorption and emission properties of the metals. [11] The electronic and electrochemical properties of polymers containing transition-metal atomsd on ot depend exclusively on the metal, butalso on the conjugation of the polymer main chain. [12] Among the different conducting polymers mentioned above,p oly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is currently the most promising because of its high conductivity,e asy processability,a nd commercial availability.P EDOT:PSS is used as at ransparent conductive oxide (TCO), as ah ole-conducting layer or electrochromic layer for organic light-emitting diodes (OLEDs) and organic photovoltaic devices (OPVs).…”

“…It has also been incorporated into the polymer backbones of both conjugated and nonconjugated systems . Currently, the study of polymers incorporating transition metals is gaining momentum because of the inherent catalytic, magnetic, redox, and absorption and emission properties of the metals . The electronic and electrochemical properties of polymers containing transition‐metal atoms do not depend exclusively on the metal, but also on the conjugation of the polymer main chain …”