材料科学
纤维素
牙髓(牙)
竹子
复合材料
纳米纤维素
热稳定性
制作
生物降解
化学工程
化学
医学
工程类
病理
有机化学
替代医学
作者
Yucheng Hu,Fuqiang Hu,Meixue Gan,Yimin Xie,Qinghua Feng
标识
DOI:10.1016/j.carbpol.2021.118630
摘要
Cellulosic substrates completely originating from biomass have gained increasing attention for utilization in photoelectric devices due to their biodegradability, sustainability, and renewability. Herein, a simple one-step strategy was used to fabricate transparent (84.2%-90% at 550 nm) all-cellulose composites (ACCs) with customized optical haze (14.7%-83.7% at 550 nm) from wood and bamboo pulp due to their variable solubility. Surface roughness, coagulation bath composition, and the size of the undissolved cellulose fibers contributed to optical haze regulation. Fabricated ACCs demonstrated water resistance, thermal stability, and good mechanical properties. Moreover, an enhancement in the power conversion efficiency of a perovskite solar cell was achieved by simple attachment. Compared with non-sustainable petroleum base materials, ACCs exhibit biodegradability and renewability, which makes the composites promising in large-scale production and various applications due to their tunable haze.
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