Conducting Organic Materials and DevicesConducting polymers were discovered in 1970s in Japan. Since this discovery, there has been a steady flow of new ideas, new understanding, new conducing polymer (organics) structures and devices with enhanced performance. Several breakthroughs have been made in the design and fabrication technology of the organic devices. Almost all properties, mechanical, electrical, and optical, are important in organics. This book describes the recent advances in these organic materials and devices. |
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Page 5
... defect free crystals of small molecules follows the same behavior as the inorganic semiconductors. In this case, mobility decreases with temperature. The mobility in OFETs is also discussed in Chapter 6. This page intentionally left ...
... defect free crystals of small molecules follows the same behavior as the inorganic semiconductors. In this case, mobility decreases with temperature. The mobility in OFETs is also discussed in Chapter 6. This page intentionally left ...
Page 8
... defects or small changes in the unit cell parameters. The t-PA films have also been prepared by using suitable precursor polymers which can be easily produced as a film from the solution. On heating the film, volatile components ...
... defects or small changes in the unit cell parameters. The t-PA films have also been prepared by using suitable precursor polymers which can be easily produced as a film from the solution. On heating the film, volatile components ...
Page 14
... defects near the midgap in the t-PA. A good review of this work is given in Ref. [8]. We give a summary of the important results here. Transient spectroscopy shows that absorption due to photogenerated gap state gives two peaks, one at ...
... defects near the midgap in the t-PA. A good review of this work is given in Ref. [8]. We give a summary of the important results here. Transient spectroscopy shows that absorption due to photogenerated gap state gives two peaks, one at ...
Page 18
... defects present in this polymer. A comparison of the mobility values given in Figs. 2.3 and 2.4 shows that the mobility for Ol—6T determined in the thin film by the FE method is much larger than the mobility in the bulk determined by ...
... defects present in this polymer. A comparison of the mobility values given in Figs. 2.3 and 2.4 shows that the mobility for Ol—6T determined in the thin film by the FE method is much larger than the mobility in the bulk determined by ...
Page 20
... defect on the chain creates a barrier of height V0 to the diffusion. Efforts have been made to fit the diffusion data to the theory by treating V0 as an adjustable parameter. The calculated curve for V0 : 0.01 eV [25] is also shown in ...
... defect on the chain creates a barrier of height V0 to the diffusion. Efforts have been made to fit the diffusion data to the theory by treating V0 as an adjustable parameter. The calculated curve for V0 : 0.01 eV [25] is also shown in ...
Contents
1 | |
7 | |
23 | |
Chapter 4 Light Emitting Diodes and Lasers | 67 |
Chapter 5 Solar Cells | 95 |
Chapter 6 Transistors | 123 |
Bibliography | 147 |
Index | 157 |
Contents of Volumes in this Series | 167 |
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Conducting Organic Materials and Devices Suresh C. Jain,M. Willander,V. Kumar No preview available - 2007 |
Common terms and phrases
absorption acceptor active layer Alq3 amorphous Appl Applications applied voltage band bandgap bipolaron blue calculated carrier density cathode characteristics charge carriers cm_3 color conducting polymers configuration curves dark current Defects devices dopant doped electric field electron emission emitter energy transfer Epitaxy equation excitons experimental data fabricated field effect figure filled first fit flow function gate voltage heterojunction hole III—V Compounds illuminated increases injection laser Lett light emitting diodes measured MEH-PPV metal midgap mobility model molecular molecules obtained OFETs ohmic OLEDs open circuit voltage organic materials organic solar cells parameters pentacene photovoltaic Phys plots polyacetylene quantum efficiency sample Schottky barrier SCLC short circuit current shown in Fig shows Silicon solid solitons space charge space charge limited spectra spin coating structure substrate sufficient superposition principle t-PA theory thickness thin film transistor transistors transport traps V2 law values vinylene white light