Effect of Modulating Spin-Coating Rate of TiO<sub>2</sub> Precursor for Mesoporous Layer on <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.546101pt" id="M1" height="13.9455pt" version="1.1" viewBox="-0.0657574 -11.3994 26.2609 13.9455" width="26.2609pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g113-75" 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"/></g><g transform="matrix(.017,0,0,-0.017,7.76,0)"><path id="g190-46" d="M300 253H71L57 198H286L300 253Z"/></g><g transform="matrix(.017,0,0,-0.017,13.892,0)"><path id="g113-87" 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"/></g></svg> Hysteresis of Solar Cells with Polar CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Perovskite Thin Film

<div>(a) PL diagram and (b) UV-Vis absorption spectrum of the CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite thin films with planar structure and the spin-coating rates of the mp-TiO<sub>2</sub> precursor for 1500 rpm and 3000 rpm.</div>

International Journal of Photoenergy

fig10

Figure 10

Figure 10: Effect of Modulating Spin-Coating Rate of TiO<sub>2</sub> Precursor for Mesoporous Layer on <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.546101pt" id="M1" height="13.9455pt" version="1.1" viewBox="-0.0657574 -11.3994 26.2609 13.9455" width="26.2609pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g113-75" 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"/></g><g transform="matrix(.017,0,0,-0.017,7.76,0)"><path id="g190-46" d="M300 253H71L57 198H286L300 253Z"/></g><g transform="matrix(.017,0,0,-0.017,13.892,0)"><path id="g113-87" 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"/></g></svg> Hysteresis of Solar Cells with Polar CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Perovskite Thin Film 

Figure 10 | Effect of Modulating Spin-Coating Rate of TiO2 Precursor for Mesoporous Layer on  Hysteresis of Solar Cells with Polar CH3NH3PbI3 Perovskite Thin Film 