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Bi-thieno[3,4]pyrrole-4,6-dione based copolymers: 1,2-Bis(2-thienyl)ethene unit vs 1,2-diphenylethene unit
10.1016/j.orgel.2018.02.011 2018-02-10 Bi-thieno[3,4]pyrrole-4,6-dione (bi-TPD) based copolymers containing 1,2-bis(2-thienyl)ethene (P1) and 1,2-diphenylethene (P2) units are synthesized and characterized. Their physicochemical and electrical properties as well as molecular packing structures in ... |
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A novel hybrid quasi-solid polymer electrolyte based on porous PVB and modified PEG for electrochromic application
10.1016/j.orgel.2018.01.035 2018-02-10 Hybrid quasi-solid polymer electrolytes (QSPEs) were obtained by adding modified polyethylene glycol (mPEG) prepolymer into porous polyvinyl butyral (PVB). The prepared QSPEs have good luminous clarity (transmittance >70% in the visible region), high ionic co... |
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Impact of PCBM/C60 electron transfer layer on charge transports on ordered and disordered perovskite phases and hysteresis-free perovskite solar cells
10.1016/j.orgel.2018.02.010 2018-02-10 For perovskite solar cells, thermal treatment of perovskite/PCBM layer is typically required for facilitated charge extraction, thereby eliminating the notorious photocurrent hysteresis. However, a simple manufacturing process without additional heat treatmen... |
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All-printed full-color pixel organic photodiode array with a single active layer
10.1016/j.orgel.2018.02.009 2018-02-10 A new fabrication method to realize fully-printed organic photodiode (OPD) arrays capable of RGB light separation is presented. From the photocurrents generated by each pixel type under the light from RGB LEDs, we demonstrate that this “White”, “Yellow” and “... |
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Anthradithiophene-based liquid crystal molecules: High carrier mobilities enhanced by rubbed polyimides for the application in organic field-effect transistors
10.1016/j.orgel.2018.02.002 2018-02-09 We synthesize three liquid crystal molecules with angular anthradithiophene (a-ADT) as the core for the application in organic film-effect transistors (OFETs). Thiophene-octyl group and thiophene-dodecyl group are introduced on both sides of the a-ADT core to... |
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Efficient solid state dye sensitized solar cell based on tricationic ionic crystal pyridinuim-imidazolium electrolytes
10.1016/j.orgel.2018.01.034 2018-02-09 We have developed a new series of pyridinium-imidazolium based tricationic ionic crystals with high conductivity, diffusion coefficient and thermal stability. These ionic crystal based electrolytes in ss-DSSCs and the influence of anions (I−, Br− and SCN−) ve... |
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Effect of methyl substitution on the diketopyrrolopyrrole-based semiconducting polymers for organic thin film transistors
10.1016/j.orgel.2018.01.039 2018-02-09 Two semiconducting polymers, poly[2,5-bis(5-octylpentadecyl)-3,6-di(thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione-selenophene] (PDPP-Se) and poly[3,6-bis(4-methylthiophen-2-yl)-2,5-bis(5-octylpentadecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione-selenophen... |
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High sensitivity and fast response sol-gel ZnO electrode buffer layer based organic photodetectors with large linear dynamic range at low operating voltage
10.1016/j.orgel.2018.01.033 2018-02-08 In this work, we demonstrate high sensitive organic photodetectors (OPDs) by incorporating the common sol-gel processed ZnO film between the ITO electrode and the polymer:fullerene active layer. The device requires a low negative working voltage to exhibit fa... |
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Mixed antisolvents assisted treatment of perovskite for photovoltaic device efficiency enhancement
10.1016/j.orgel.2018.01.009 2018-02-08 In this work, mixed antisolvents (binary and ternary antisolvents) assisted crystallization method is employed to produce high-efficiency perovskite solar cells with highly reproducible and negligible photocurrent hysteresis. This procedure involves the use o... |
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Correlation between Seebeck coefficient and transport energy level in poly(3-hexylthiophene)
10.1016/j.orgel.2018.02.008 2018-02-08 Understanding the behavior of dependence of Seebeck coefficient on the energy level structure for organic thermoelectric (OTE) materials is of great importance for optimizing the thermoelectric properties of OTE materials. In this work, we study the relations... |