From Application of Organic Thin Multilayer Films in 3d Optical Data Storage to Their Fabrication for Organic Electronic Devices

Released on by Anuj Saini
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  • From Application of Organic Thin Multilayer Films in 3d Optical Data Storage to Their Fabrication for Organic Electronic Devices Book Detail

  • Author : Anuj Saini
  • Release Date : 2015
  • Publisher :
  • Genre : Information retrieval
  • Pages : 168
  • ISBN 13 :
  • File Size : 48,48 MB
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From Application of Organic Thin Multilayer Films in 3d Optical Data Storage to Their Fabrication for Organic Electronic Devices by Anuj Saini PDF Summary

Book Description: Research in optical data storage (ODS) has focused on methods to increase the capacity of ODS media by exploiting the third dimension. Several organic materials have been studied for 3D ODS, and TB-level storage has been achieved using two-photon writing, fluorescent reading schemes, but the fabrication methods are not easily scalable and require expensive laser systems. This work explores the use roll-to-roll multilayer (ML) films produced by co-extrusion of organic polymers for a large capacity, easily scalable, low cost ODS medium. Small layer spacing and FL reading scheme allowed by co-extrusion allows for a much higher axial capacity than commercial discs. The physically multilayered medium improves axial resolution and reduces interlayer cross-talk. A transition from a linear to non-linear writing mechanism that is efficient enough to obtain good contrast is observed near the microsecond time scale. It has also been shown that it is possible to achieve a significant non-linear fluorescence modulation response using dye/polymer system by exploiting dye interactions with ns-pulses from a low-cost CW laser.The last few years have seen increased attention towards low-cost solution-processed bulk heterojunction organic photovoltaic devices (OPV). There are many well-understood film forming techniques, and yet very few of them have been used to fabricate BHJ OPVs. The film forming techniques that have been explored for making OPVs are well suited for individual processing on small flat two-dimensional substrates (i.e. spin coating, doctor blading and drop casting). There are, however, many more film-forming techniques available that have been developed for high volume processing of paper, metal, plastic and textile materials. This work highlights a highly controllable electrolysis-based industrial technique (electrocoating) to fabricate thin films of functionalized Poly(3-alkylthiophene)and [6,6]-Phenyl C61 butyric acid (PCBA) for use in the OPV applications. The process of electrocoating is mainly used to adhere primers or single-layer coatings to metal substrates on the industrial level. It is an established process that produces precise, uniform coatings from water-based dispersions. The electrocoated films show good uniformity without pinholes and show similar optical and dielectric properties as compared to solution processed films.

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Introduction to Organic Electronic Devices

Introduction to Organic Electronic Devices

File Size : 29,29 MB
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This book comprehensively describes organic electronic devices developed in the past decades. It not only covers the mainstream devices including organic light