Transparent paper with good hydrophobicity and flexibility was expected to act as an alternative substrate in fabrication of flexible electronics.However,conventional paper made of cellulose fibers was opaque and hydr...Transparent paper with good hydrophobicity and flexibility was expected to act as an alternative substrate in fabrication of flexible electronics.However,conventional paper made of cellulose fibers was opaque and hydrophilic without undergoing special processing.Herein,cellulose fiber paper was treated by impregnating with hydrolyzed tetraethyl orthosilicate(TEOS)followed by coating with hydrophobic polydimethylsiloxane(PDMS)to prepare hydrophobic transparent pa-per.The results showed that silica nanoparticles produced by the TEOS hydrolysis improved the paper transparency to some extent,increased the paper thermal stability,but still remained the hydrophilicity of paper.After the paper was further coated with the PDMS and the PDMS was consolidated,the paper became clearly transparent and hydrophobic.The processed paper had a transmittance of more than 90%at 550 nm.The water contact angle of the paper reached about 110°.This work provided a new approach for the fabrication of hydrophobic transparent paper with conventional cellulose fiber paper.展开更多
Transparent paper is a kind of promising and environmentally friendly material.In this study,we show that transparent paper can be fabricated in an ultra-fast and low-cost way.This low-cost top-down method only takes ...Transparent paper is a kind of promising and environmentally friendly material.In this study,we show that transparent paper can be fabricated in an ultra-fast and low-cost way.This low-cost top-down method only takes three steps of cell separation,lignin removal,and cold pressing to obtain a high-quality transparent paper.The fabrication time is further reduced,and the resulted transparent paper shows high transparency up to 90.3%.The application as a substrate material for transparent and flexible electronic devices is demonstrated by emulating the printed circuit on the prepared transparent paper.This top-down method will greatly promote the market-oriented applications of transparent paper as an environment friendly material.展开更多
基金The authors are grateful for the financial support from National Natural Science Foundation of China(Nos.31270625 and 21506105)Major Program of Natural Science Foundation of Shandong Province(No.ZR2018ZC0842).
文摘Transparent paper with good hydrophobicity and flexibility was expected to act as an alternative substrate in fabrication of flexible electronics.However,conventional paper made of cellulose fibers was opaque and hydrophilic without undergoing special processing.Herein,cellulose fiber paper was treated by impregnating with hydrolyzed tetraethyl orthosilicate(TEOS)followed by coating with hydrophobic polydimethylsiloxane(PDMS)to prepare hydrophobic transparent pa-per.The results showed that silica nanoparticles produced by the TEOS hydrolysis improved the paper transparency to some extent,increased the paper thermal stability,but still remained the hydrophilicity of paper.After the paper was further coated with the PDMS and the PDMS was consolidated,the paper became clearly transparent and hydrophobic.The processed paper had a transmittance of more than 90%at 550 nm.The water contact angle of the paper reached about 110°.This work provided a new approach for the fabrication of hydrophobic transparent paper with conventional cellulose fiber paper.
基金supported by the National Natural Science Foundation of China(Nos.91963211 and 51872136)National Key Research and Development Program of China(No.2018YFB1105400)Nanjing University Innovation and Creative Program for Ph.D.candidates(CXCY19-29)。
文摘Transparent paper is a kind of promising and environmentally friendly material.In this study,we show that transparent paper can be fabricated in an ultra-fast and low-cost way.This low-cost top-down method only takes three steps of cell separation,lignin removal,and cold pressing to obtain a high-quality transparent paper.The fabrication time is further reduced,and the resulted transparent paper shows high transparency up to 90.3%.The application as a substrate material for transparent and flexible electronic devices is demonstrated by emulating the printed circuit on the prepared transparent paper.This top-down method will greatly promote the market-oriented applications of transparent paper as an environment friendly material.
