کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6456817 1420653 2017 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A comprehensive study of electrochromic device with variable infrared emissivity based on polyaniline conducting polymer
ترجمه فارسی عنوان
یک مطالعه جامع از دستگاه الکتروکرومیک با اشعه مادون مادونات متغیر بر اساس پلیمر هدایت پلیانیلن
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
چکیده انگلیسی


- The DBSA doped-PANI films were prepared using Au/porous membranes as substrates.
- The △ε data of PANI films exhibit a surprise reversal from positive to negative.
- The device shows an enhanced IR electrochromism with a △ε of 0.315 in 2.5-25 µm.

In this study, dodecylbenzene sulfonate acid (DBSA) doped-polyaniline (PANI) films were synthesized in situ on Au/porous flexible substrate by electrochemical deposition. The emissivity change (△ε) data of PANI films show a reversal from positive to negative as the polymerization charge increases. This trend can be explained by using the Drude free electron theory and the Hagen-Rubens approximation at low frequency due to the pseudo-metallic behavior of conducting polymers. The DBSA doped-PANI film was used as an active layer to fabricate an infrared (IR) electrochromic device. The △ε of this IR electrochromic device was measured to be 0.183, 0.388, and 0.315 in the wavelength ranges of 3-5 µm, 8-12 µm, and 2.5-25 µm, respectively. IR thermal images visually obtained from an IR thermal imager suggest that the IR electrochromic device possesses regulating capacity of thermal radiation within the operating waveband of the instrument (7.5-14 µm). The IR electrochromic device developed in this work can be potentially used in IR camouflage for military and thermal control for satellite.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solar Energy Materials and Solar Cells - Volume 170, October 2017, Pages 120-126
نویسندگان
, , , , , , , , ,