1. C.P. Xu, M. Nasrollahzadeh, M. Selva, Z. Issaabadi, R. Luque, Waste-to-wealth: biowaste valorization into valuable bio(nano)materials. Chem. Soc. Rev. 48, 4791 (2019)
2. S. Verma, G. Gupta, Natural dyes and its applications: a brief review. Int. J. Res. Anal. Rev. 4, 57 (2017)
3. M.Z. Najihah, I.M. Noor, T. Winie, Long-run performance of dye-sensitized solar cell using natural dye extracted from Costus woodsonii leaves. Opt. Mater. 123, 111915 (2022)
4. J.W.C. Pereira, M. Cataldi, I.L. Salcedo, Natural dye-sensitized solar cells: Case study with tropical organic pigments. Environ. Prog. Sustain. 40, e13603 (2021)
5. S.S. Sharma, K. Sharma, R. Singh, S. Srivastava, K.B. Rana, R. Singhal, Natural pigments: Origin and applications in dye sensitized solar cells. Mater. Today 42, 1744–1748 (2021)