Black Phosphorus Nanosheets Enhance Photophosphorylation by Positive Feedback  

作　　者：Zhenzhen Dong Jinbo Fei Tonghui Wang Xia Xu Weiguang Dong Junbai Li 

机构地区：[1]Beijing National Laboratory for Molecular Sciences(BNLMS),CAS Key Lab of Colloid,Interface and Chemical Thermodynamics,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China [2]University of Chinese Academy of Sciences,Beijing 100049,China

出　　处：《Chinese Journal of Chemistry》2022年第8期939-945,共7页中国化学（英文版）

基　　金：the financial support for this research from the National Natural Science Foundation of China(Nos.221930301,21961142022,21872150,and 22072160);J.F.particularly thanks to the Youth Innovation Promotion Association of CAS(No.2016032);Instituteof Chemistry,CAS(No.Y6290512B1).

摘　　要：We construct a natural-artificial hybrid architecture containing black phosphorus nanosheets(BPNS)to enhance photosynthesis of chloroplast in a positive-feedback manner.In this architecture,oxygen yielded by photosynthesis during water splitting by photosystemⅡpromotes the photoreaction of BPNS to produce proton and inorganic phosphate(Pi).Further,transmembrane proton gradient is increased to drive ATP synthase to synthesize ATP.Meanwhile,additional photogenerated electrons produced by BPNS are transferred to the photosynthesis process.As a consequence,photosynthesis performed by chloroplast is improved.Quantitatively,photophosphorylation efficacy of the hybrid system is increased by 1.89 times in the case of Pi deficiency.This work offers a new path to enhance solar-to-chemical energy conversion,holding promise in boosting natural photosynthesis.

关 键 词：Black phosphorus nanosheets Electron transport Energy conversion PHOTOSYNTHESIS Positive feedback 

分 类 号：O57[理学—粒子物理与原子核物理]