Dear Editor,This letter proposes a contrastive consensus graph learning model for multi-view clustering.Graphs are usually built to outline the correlation between multi-model objects in clustering task,and multiview ...Dear Editor,This letter proposes a contrastive consensus graph learning model for multi-view clustering.Graphs are usually built to outline the correlation between multi-model objects in clustering task,and multiview graph clustering aims to learn a consensus graph that integrates the spatial property of each view.展开更多
Interfacial defect is one of the main hurdles to impede the improvement of efficiency and stability of perovskite solar cells(PSCs).Additionally,the ultraviolet(UV)irradiate induces the generation of deep defects,and ...Interfacial defect is one of the main hurdles to impede the improvement of efficiency and stability of perovskite solar cells(PSCs).Additionally,the ultraviolet(UV)irradiate induces the generation of deep defects,and further accelerate the decomposition of perovskite films.Thus,the interfacial modification is crucial to improve the ef-ficiency and stability of PSCs.Here,the salicylic acid(SA)as a multifunctional interface material is employed to modify the interface of mesoporous cerium oxide(m-CeO_(x))and perovskite.The introduced SA molecules can interact with Ce in m-CeO_(x)and Pb in perovskite through carboxylic acid functional groups to passivate interfacial defects and promote interfacial electron extraction and transport.The PSC with SA modification exhibits an improved power conversion efficiency(PCE)of 23.33%.More importantly,the SA can absorb UV light and reduce the damage of UV light to perovskite film,then improving the UV stability and overall stability of devices.This work provides a novel insight to design the interfacial modification materials for preparing efficient and stable PSCs.展开更多
基金supported by the National Natural Science Foundation of China(U21A20472,62072223)the National Key Research and Development Plan of China(2021YFB 3600503)the Natural Science Foundation of Fujian Province(2020J01130193,2020J01131199)。
文摘Dear Editor,This letter proposes a contrastive consensus graph learning model for multi-view clustering.Graphs are usually built to outline the correlation between multi-model objects in clustering task,and multiview graph clustering aims to learn a consensus graph that integrates the spatial property of each view.
基金the National Natural Science Foundation of China(22221001)the 111 Project(B20027).
文摘Interfacial defect is one of the main hurdles to impede the improvement of efficiency and stability of perovskite solar cells(PSCs).Additionally,the ultraviolet(UV)irradiate induces the generation of deep defects,and further accelerate the decomposition of perovskite films.Thus,the interfacial modification is crucial to improve the ef-ficiency and stability of PSCs.Here,the salicylic acid(SA)as a multifunctional interface material is employed to modify the interface of mesoporous cerium oxide(m-CeO_(x))and perovskite.The introduced SA molecules can interact with Ce in m-CeO_(x)and Pb in perovskite through carboxylic acid functional groups to passivate interfacial defects and promote interfacial electron extraction and transport.The PSC with SA modification exhibits an improved power conversion efficiency(PCE)of 23.33%.More importantly,the SA can absorb UV light and reduce the damage of UV light to perovskite film,then improving the UV stability and overall stability of devices.This work provides a novel insight to design the interfacial modification materials for preparing efficient and stable PSCs.
