Fig. 1.

a Schematic illustration of the preparation of cellulose composites by different delignification methods. b Reaction of lignin in a mixed solution of hydrogen peroxide and acetic acid. c Reaction of lignin in acidic sodium chlorite solution. d Radar plot showing the comparison between TBS and TBH. e Macroscopic view of TBS. f Macroscopic view of TBH. g Applications of TBH in lighting materials. h Comparison of curing time of our work and other biomass transparent materials impregnated by different polymers. i Comparison of thickness of our work and other biomass transparent materials