نتایج جستجو برای: flexible dye
تعداد نتایج: 155055 فیلتر نتایج به سال:
Herein, we present a facile, one-step method to color tune electrochromic devices (ECDs) that switch between two neutral colors via in situ electrochemical polymerization of electroactive monomers in the presence of a small molecule organic yellow dye using all commercially available materials. These devices exhibited photopic contrasts of ca. 30% without background correction when assembled on...
An optothermal analyte preconcentration method is introduced in this work based on temperature gradient focusing. The present approach offers a flexible, noncontact technique for focusing and transporting of analytes. Here, we use a commercial video projector and an optical system to generate heat and control the heat source position, size and power. This heater is used to focus a sample model ...
In this paper we demonstrate photonic band-edge laser emission from emulsion-based polymer dispersed liquid crystals. The lasing medium consists of dye-doped chiral nematic droplets dispersed within a polymer matrix that spontaneously align as the film dries. Such lasers can be easily formed on single substrates with no alignment layers. The system combines the self-organizing periodic structur...
An organic thiolate/disulfide redox couple with low absorption in the visible region was developed for use in fabricating novel dye-sensitized photovoltaic wires with an aligned carbon nanotube (CNT) fiber as the counter electrode. These flexible wire devices achieved a maximal energy conversion efficiency of 7.33%, much higher than the value of 5.97% for the conventional I(-)/I3(-) redox coupl...
در دهه های اخیر، حساسیت های جامعه نسبت به حفاظت از محیط زیست افزایش یافته است.به سبب ضرر کارخانه های شیمیایی روی محیط زیست روز جهانی محیط زیست به وجود آمد .اگر چه واکنش بخشی از قسمتهای جهان شدید تر وبیشتر به مناطق دیگر است .کارخانه های ساخت رنگ قسمت کوچکی از همه ی کارخانه های شیمیایی هستند.رنگ ها و رنگدانه ها بیشترین ماده آشکار هستند.آشکار بودن رنگ می تواند دلیل کمتر رها ساختن آنها به داخل محیط...
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