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Abnormal strong burn-in degradation of highly efficient polymer solar cells caused by spinodal donor-acceptor demixing

Li, Ning; Perea, José Darío; Kassar, Thaer; Richter, Moses; Heumueller, Thomas; Matt, Gebhard J.; Hou, Yi; Güldal, Nusret S.; Chen, Haiwei; Chen, Shi; Langner, Stefan; Berlinghof, Marvin; Unruh, Tobias; Brabec, Christoph J.

 Customer publications

Abnormal strong burn-in degradation of highly efficient polymer solar cells caused by spinodal donor-acceptor demixing

Li, Ning; Perea, José Darío; Kassar, Thaer; Richter, Moses; Heumueller, Thomas; Matt, Gebhard J.; Hou, Yi; Güldal, Nusret S.; Chen, Haiwei; Chen, Shi; Langner, Stefan; Berlinghof, Marvin; Unruh, Tobias; Brabec, Christoph J.

The performance of organic solar cells is determined by the delicate, meticulously optimized bulk-heterojunction microstructure, which consists of finely mixed and relatively separated donor/acceptor regions. Here we demonstrate an abnormal strong burn-in degradation in highly efficient polymer solar cells caused by spinodal demixing of the donor and acceptor phases, which…
Synthesis Mechanism and Influence of Light on Unprotected Platinum Nanoparticles Synthesis at Room Temperature

Kacenauskaite, Laura; Swane, Andreas Abildgaard; Kirkensgaard, Jacob Judas Kain; Fleige, Michael; Kunz, Sebastian; Vosch, Tom; Arenz, Matthias

 Customer publications

Synthesis Mechanism and Influence of Light on Unprotected Platinum Nanoparticles Synthesis at Room Temperature

Kacenauskaite, Laura; Swane, Andreas Abildgaard; Kirkensgaard, Jacob Judas Kain; Fleige, Michael; Kunz, Sebastian; Vosch, Tom; Arenz, Matthias

In this Communication we present an investigation of the influence of light on the formation of platinum (Pt) nanoparticles (NPs) using standard polyol synthesis reagents at room temperature. It is demonstrated that instead of thermal treatment, UV light can be used for particle formation thus opening new pathways for the…
Overcoming the Thermal Instability of Efficient Polymer Solar Cells by Employing Novel Fullerene-Based Acceptors

Zhang, Chaohong; Mumyatov, Alexander; Langner, Stefan; Perea, José Darío; Kassar, Thaer; Min, Jie; Ke, Lili; Chen, Haiwei; Gerasimov, Kirill L.; Anokhin, Denis V.; others

 Customer publications

Overcoming the Thermal Instability of Efficient Polymer Solar Cells by Employing Novel Fullerene-Based Acceptors

Zhang, Chaohong; Mumyatov, Alexander; Langner, Stefan; Perea, José Darío; Kassar, Thaer; Min, Jie; Ke, Lili; Chen, Haiwei; Gerasimov, Kirill L.; Anokhin, Denis V.; others

Advanced Energy Materials, 2016, DOI:Visit the full articleBack to the overview
Plant-crafted starches for bioplastics production

Sagnelli, Domenico; Hebelstrup, Kim H.; Leroy, Eric; Rolland-Sabaté, Agnès; Guilois, Sophie; Kirkensgaard, Jacob J. K.; Mortensen, Kell; Lourdin, Denis; Blennow, Andreas

 Customer publications

Plant-crafted starches for bioplastics production

Sagnelli, Domenico; Hebelstrup, Kim H.; Leroy, Eric; Rolland-Sabaté, Agnès; Guilois, Sophie; Kirkensgaard, Jacob J. K.; Mortensen, Kell; Lourdin, Denis; Blennow, Andreas

Transgenically-produced amylose-only (AO) starch was used to manufacture bioplastic prototypes. Extruded starch samples were tested for crystal residues, elasticity, glass transition temperature, mechanical properties, molecular mass and microstructure. The AO starch granule crystallinity was both of the B- and Vh-type, while the isogenic control starch was mainly A-type. The first…
UV-Induced Synthesis and Stabilization of Surfactant-Free Colloidal Pt Nanoparticles with Controlled Particle Size in Ethylene Glycol

Kacenauskaite, Laura; Quinson, Jonathan; Schultz, Hannibal; Kirkensgaard, Jacob Judas Kain; Kunz, Sebastian; Vosch, Tom; Arenz, Matthias

 Customer publications

UV-Induced Synthesis and Stabilization of Surfactant-Free Colloidal Pt Nanoparticles with Controlled Particle Size in Ethylene Glycol

Kacenauskaite, Laura; Quinson, Jonathan; Schultz, Hannibal; Kirkensgaard, Jacob Judas Kain; Kunz, Sebastian; Vosch, Tom; Arenz, Matthias

The conventional temperature-induced polyol synthesis of platinum nanoparticles is a powerful and well-established method for the preparation of stable, surfactant-free platinum nanoparticles (Pt NPs) with controlled shape, size and size distribution. Recently, we reported that exposure to daylight leads to the formation of Pt NPs from precursor solutions, suggesting that…
High temperature annealing for structural optimization of silica aerogels in solar thermal applications

Strobach, Elise; Bhatia, Bikram; Yang, Sungwoo; Zhao, Lin; Wang, Evelyn N.

 Customer publications

High temperature annealing for structural optimization of silica aerogels in solar thermal applications

Strobach, Elise; Bhatia, Bikram; Yang, Sungwoo; Zhao, Lin; Wang, Evelyn N.

Optically transparent, thermally insulating monolithic silica aerogel, with its high solar transmittance and low thermal conductivity, is well-suited for solar thermal applications, particularly concentrated solar power systems. The properties of silica aerogel are directly determined by the structure of the highly porous, interconnected silica network. By using high temperature annealing…
Anion-conducting polysulfone membranes containing hexa-imidazolium functionalized biphenyl units

Weiber, E. Annika; Jannasch, Patric

 Customer publications

Anion-conducting polysulfone membranes containing hexa-imidazolium functionalized biphenyl units

Weiber, E. Annika; Jannasch, Patric

Poly(arylene ether sulfone)s containing randomly distributed biphenyl units tethered with precisely six imidazolium cations are designed and prepared with the aim to facilitate ionic clustering and conductivity of anion exchange membranes (AEMs). A series of statistical copolymers with different cationic contents are synthesized via K2CO3-mediated polycondensations of…
Synthesis and characterization of ferrocene containing block copolymers

Chernyy, Sergey; Wang, Zhongli; Kirkensgaard, Jacob Judas Kain; Bakke, Anders; Mortensen, Kell; Ndoni, Sokol; Almdal, Kristoffer

 Customer publications

Synthesis and characterization of ferrocene containing block copolymers

Chernyy, Sergey; Wang, Zhongli; Kirkensgaard, Jacob Judas Kain; Bakke, Anders; Mortensen, Kell; Ndoni, Sokol; Almdal, Kristoffer

Narrowly dispersed diblock copolymers containing poly(methyl methacrylate) or poly(nonafluorohexyl methacrylate) as the first block and poly(ferrocenylmethyl methacrylate) as the second block, were prepared by anionic polymerization for the first time. Disordered bulk morphologies in the case of PMMA-b-PFMMA were observed and explained in terms of low Flory–Huggins…
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