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Träfflista för sökning "WAKA:ref ;pers:(Inganäs Olle);lar1:(ri)"

Sökning: WAKA:ref > Inganäs Olle > RISE

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1.
  • Edberg, Jesper, et al. (författare)
  • Boosting the capacity of all-organic paper supercapacitors using wood derivatives
  • 2018
  • Ingår i: Journal of Materials Chemistry A. - : Royal Society of Chemistry (RSC). - 2050-7488 .- 2050-7496. ; 6:1, s. 145-152
  • Tidskriftsartikel (refereegranskat)abstract
    • Printed and flexible organic electronics is a steadily expanding field of research and applications. One of the most attractive features of this technology is the possibility of large area and high throughput production to form low-cost electronics on different flexible substrates. With an increasing demand for sustainable energy production, low-cost and large volume technologies to store high-quality energy become equally important. These devices should be environmentally friendly with respect to their entire life cycle. Supercapacitors and batteries based on paper hold great promise for such applications due to the low cost and abundance of cellulose and other forest-derived components. We report a thick-film paper-supercapacitor system based on cellulose nanofibrils, the mixed ion-electron conducting polymer PEDOT: PSS and sulfonated lignin. We demonstrate that the introduction of sulfonated lignin into the cellulose-conducting polymer system increases the specific capacitance from 110 to 230 F g(-1) and the areal capacitance from 160 mF cm(-2) to 1 F cm(-2). By introducing lignosulfonate also into the electrolyte solution, equilibrium, with respect to the concentration of the redox molecule, was established between the electrode and the electrolyte, thus allowing us to perform beyond 700 charge/discharge cycles with no observed decrease in performance.
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2.
  • Wigenius, Jens, et al. (författare)
  • Protein biochips patterned by microcontact printing or by adsorption-soft lithography in two modes
  • 2008
  • Ingår i: Biointerphases. - : American Vacuum Society. - 1934-8630 .- 1559-4106. ; 3:3, s. 75-82
  • Tidskriftsartikel (refereegranskat)abstract
    • Patterning of proteins is critical to protein biochips. Printing of layers of proteins is well established, as is adsorption of proteins to surfaces properly modified with surface chemical functionalities. The authors show that simple methods based on soft lithography stamps can be used to prepare functional antibody chips through both these routes. Both methods incorporate transfer of the stamp material poly(dimethylsiloxane) (PDMS) to the biochip, whether intended or not intended. The results indicate that microcontact printing of proteins always includes PDMS transfer, thereby creating a possibility of unspecific adsorption to a hydrophobic domain. © 2008 American Vacuum Society.
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