Since the National Conference on ideological and political work in Colleges and Universities,the Party Committee of Beijing United University has closely focused on the fundamental problem of“what kind of person to t...Since the National Conference on ideological and political work in Colleges and Universities,the Party Committee of Beijing United University has closely focused on the fundamental problem of“what kind of person to train,how to train and for whom to train”,and regards the course of ideological and political thinking as the fundamental measure to carry out the fundamental task of building up people by virtue.In 2020,in the event of the new epidemic situation,the school actively implemented the work plan of“stopping classes and not stopping learning”in Beijing,and opened the historic revolution of the whole school network teaching in education and teaching.In recent years,Beijing Union University in the“curriculum ideological and political”construction is constantly open up.In order to promote teaching practice and teaching research,the school teacher teaching development center set up the first teaching promoters of Beijing United University in 2019.The project team was set up by the school teaching promoters to study the effect of the online teaching mode of art courses under the concept of ideological and political education.展开更多
Lead selenide(PbSe)colloidal quantum dots(CQDs)are suitable for the development of the next-generation of photovoltaics(PVs)because of efcient multiple-exciton generation and strong charge coupling ability.To date,the...Lead selenide(PbSe)colloidal quantum dots(CQDs)are suitable for the development of the next-generation of photovoltaics(PVs)because of efcient multiple-exciton generation and strong charge coupling ability.To date,the reported high-efcient PbSe CQD PVs use spin-coated zinc oxide(ZnO)as the electron transport layer(ETL).However,it is found that the surface defects of ZnO present a difculty in completion of passivation,and this impedes the continuous progress of devices.To address this disadvantage,fuoride(F)anions are employed for the surface passivation of ZnO through a chemical bath deposition method(CBD).The F-passivated ZnO ETL possesses decreased densities of oxygen vacancy and a favorable band alignment.Benefting from these improvements,PbSe CQD PVs report an efciency of 10.04%,comparatively 9.4%higher than that of devices using sol-gel(SG)ZnO as ETL.We are optimistic that this interface passivation strategy has great potential in the development of solution-processed CQD optoelectronic devices.展开更多
基金The project of improving teachers’professional ability of Beijing United University“The Effect of the Network Teaching Mode of Art Courses under the Concept of Ideological and Political Education in the Curriculum”(Project No.:12210611610-001).
文摘Since the National Conference on ideological and political work in Colleges and Universities,the Party Committee of Beijing United University has closely focused on the fundamental problem of“what kind of person to train,how to train and for whom to train”,and regards the course of ideological and political thinking as the fundamental measure to carry out the fundamental task of building up people by virtue.In 2020,in the event of the new epidemic situation,the school actively implemented the work plan of“stopping classes and not stopping learning”in Beijing,and opened the historic revolution of the whole school network teaching in education and teaching.In recent years,Beijing Union University in the“curriculum ideological and political”construction is constantly open up.In order to promote teaching practice and teaching research,the school teacher teaching development center set up the first teaching promoters of Beijing United University in 2019.The project team was set up by the school teaching promoters to study the effect of the online teaching mode of art courses under the concept of ideological and political education.
基金the National Natural Science Foundation of China(Grant No.62105110)the Wuhan Institute of Technology(No.19QD09)the Analytical and Testing Center of HUST and the facility support of the Center for Nanoscale Characterization and Devices(CNCD),WNLO-HUST.
文摘Lead selenide(PbSe)colloidal quantum dots(CQDs)are suitable for the development of the next-generation of photovoltaics(PVs)because of efcient multiple-exciton generation and strong charge coupling ability.To date,the reported high-efcient PbSe CQD PVs use spin-coated zinc oxide(ZnO)as the electron transport layer(ETL).However,it is found that the surface defects of ZnO present a difculty in completion of passivation,and this impedes the continuous progress of devices.To address this disadvantage,fuoride(F)anions are employed for the surface passivation of ZnO through a chemical bath deposition method(CBD).The F-passivated ZnO ETL possesses decreased densities of oxygen vacancy and a favorable band alignment.Benefting from these improvements,PbSe CQD PVs report an efciency of 10.04%,comparatively 9.4%higher than that of devices using sol-gel(SG)ZnO as ETL.We are optimistic that this interface passivation strategy has great potential in the development of solution-processed CQD optoelectronic devices.
