標題: Highly efficient solar-heat shield based on the bipolaron-assisted PEDOT:PSS thin film
作者: Thakur, Diksha
Wu, Jia-Ren
Chandel, Anjali
Liu, Shih-Yao
Lin, Pei-Chen
Luo, Dian
Yeh, Jui-Ming
Cheng, Hsin-Ming
Chang, Sheng Hsiung
照明與能源光電研究所
Institute of Lighting and Energy Photonics
關鍵字: Solar-heat shields;Formation of bipolarons;PEDOT:PSS;Raman scattering spectra;Refractive index spectra;Atomic-force microscopic images
公開日期: 1-Aug-2020
摘要: We report on an efficient solar-heat shield based on the highly transparent PEDOT:PSS thin film, which significantly reduces the temperature from 38.2 degrees C to 33.5 degrees C. To understand the superior solar-heat shielding ability, the modified PEDOT:PSS thin films were investigated by using the transmittance spectra, Raman scattering spectra, atomic-force microscopic (AFM) images and broadband refractive index spectra. The experimental results show that the molecular structure of the PEDOT chains can be manipulated by varying the Brownian motion of PEDOT polymers in the PEDOT:PSS solutions and the spin rate. The lower Brownian motion of PEDOT polymers and the higher spin rate both can change the molecular structure of the PEDOT chains from bended structures (de-doping states) to linear structures (doping states), which simultaneously increase the near-infrared absorption strength and the visible transparency due to the formation of bipolarons.
URI: http://dx.doi.org/10.1016/j.cjph.2020.05.005
http://hdl.handle.net/11536/155118
ISSN: 0577-9073
DOI: 10.1016/j.cjph.2020.05.005
期刊: CHINESE JOURNAL OF PHYSICS
Volume: 66
起始頁: 102
結束頁: 108
Appears in Collections:Articles