Unveiling the Effects of Interchain Hydrogen Bonds on Solution Gelation and Mechanical Properties of Diarylfluorene-Based Semiconductor Polymers

<div class="floats-full-page floats-full-page-figure"><h2>Figure 4</h2><div class="floats-full-page-caption"><div>Photophysical properties and PLEDs performances. (a) Normalized UV-<i>vis</i> and PL spectra of P1-P4 in dilute toluene solution (green line, 10<sup>-5</sup> M) and spin-coated films (violet line). (b) The electroluminescence (EL) spectra of devices based on P1-P4 upon the applied voltage increasing. (c) Current density-luminance-voltage (<span class="nowrap"><svg height="10.5647pt" id="M38" style="vertical-align:-1.928801pt" version="1.1" viewbox="-0.0498162 -8.6359 49.4064 10.5647" width="49.4064pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M429 650H175L169 622C251 614 259 612 244 532L174 152C163 91 152 37 135 -6C109 -72 67 -101 23 -113L33 -144C45 -143 73 -134 102 -119C186 -76 229 -1 254 133L327 532C341 609 347 613 423 622L429 650Z"></path></g><g transform="matrix(.013,0,0,-0.013,8.785,0)"><path d="M535 230V280H52V230H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,19.321,0)"><path d="M541 160L512 170C485 116 462 88 439 67C411 41 376 35 318 35C272 35 238 37 224 48C207 61 205 85 212 121L290 533C305 611 308 615 391 622L397 650H139L133 622C217 615 221 612 206 533L126 118C111 41 103 34 23 26L17 0H474C489 31 528 124 541 160Z"></path></g><g transform="matrix(.013,0,0,-0.013,29.412,0)"><path d="M535 230V280H52V230H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,39.948,0)"><path d="M697 650H468L461 623L492 619C539 613 547 605 518 546C481 471 367 264 278 116H276C239 278 197 500 186 567C180 604 185 613 226 619L252 623L260 650H24L17 623C78 617 92 613 108 533L216 -11H247C365 200 515 462 560 529C616 612 624 615 689 623L697 650Z"></path></g></svg>)</span> characteristics of PLED devices. (d) Current efficiency and external quantum efficiencies (EQE) versus current density curves of these devices.</div></div><div class="floats-full-page-content"><table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://d31iiq90dwlpfy.cloudfront.net/articles/research/volume-2020/3405826/figures/3405826.fig.004a.svgz" name="3405826.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b></td></tr><tr class="fig-image" id="b"><td><object data="https://d31iiq90dwlpfy.cloudfront.net/articles/research/volume-2020/3405826/figures/3405826.fig.004b.svgz" name="3405826.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b></td></tr><tr class="fig-image" id="c"><td><object data="https://d31iiq90dwlpfy.cloudfront.net/articles/research/volume-2020/3405826/figures/3405826.fig.004c.svgz" name="3405826.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b></td></tr><tr class="fig-image" id="d"><td><object data="https://d31iiq90dwlpfy.cloudfront.net/articles/research/volume-2020/3405826/figures/3405826.fig.004d.svgz" name="3405826.fig.004d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b></td></tr></table></div></div>

Figure 4 | Unveiling the Effects of Interchain Hydrogen Bonds on Solution Gelation and Mechanical Properties of Diarylfluorene-Based Semiconductor Polymers

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Figure 4: Unveiling the Effects of Interchain Hydrogen Bonds on Solution Gelation and Mechanical Properties of Diarylfluorene-Based Semiconductor Polymers

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Figure 4

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The open access journal Research, published in association with CAST, publishes innovative, wide-ranging research in life sciences, physical sciences, engineering and applied science.