Sparse ZnO nanorod arrays(NRAs)are fabricated on transparent conducting oxide coated glass substrates by using a modified liquid phase epitaxial growth method.By adjusting the polymer concentrations and the spin-coati...Sparse ZnO nanorod arrays(NRAs)are fabricated on transparent conducting oxide coated glass substrates by using a modified liquid phase epitaxial growth method.By adjusting the polymer concentrations and the spin-coating parameters,full infiltration of poly(3-hexylthiophene)(P3HT)into the as-prepared ZnO NRAs is achieved at 130°C in vacuum.A third component is incorporated into the P3HT/ZnO NRAs ordered bulk heterojunctions(BHJs)either through ZnO surface modification with N719dye or CdS shell layer or by inclusion of a fullerene derivative into the P3HT matrix.Experimental results indicate that performances of the hybrid solar cells are improved greatly with the incorporation of a third component.However,the working principles of these third components differ from one another,according to morphology,structure,optical property,charge transfer and interfacial properties of the composite structures.An ideal device architecture for hybrid solar cells based on P3HT/ZnO NRAs ordered BHJs is proposed,which can be used as a guidance to further increase the power conversion efficiency of such solar cells.展开更多
Recently,photovoltaic devices based on aqueous materials are drawing more and more attentions following the green chemistry concept.This review aims to present a general overview of polymer-nanocrystal hybrid photovol...Recently,photovoltaic devices based on aqueous materials are drawing more and more attentions following the green chemistry concept.This review aims to present a general overview of polymer-nanocrystal hybrid photovoltaic devices based on aqueous materials.First,all-organic polymer solar cells based on water-soluble polymers as the active layer are briefly introduced.After that,we focus on the recent development of hybrid solar cells from aqueous polymers and colloidal nanocrystals.Finally,the remaining part of this review is focused on the challenges and proposed solutions associated with the aqueous-solution-processed hybrid solar cells.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.90923012 and 61078058)the Science and Technology Developing Project of Shaanxi Province(Grant No.2012KW-11)the Ministry of Science and Technology of China through 863-project(Grant No.2009AA03Z218)
文摘Sparse ZnO nanorod arrays(NRAs)are fabricated on transparent conducting oxide coated glass substrates by using a modified liquid phase epitaxial growth method.By adjusting the polymer concentrations and the spin-coating parameters,full infiltration of poly(3-hexylthiophene)(P3HT)into the as-prepared ZnO NRAs is achieved at 130°C in vacuum.A third component is incorporated into the P3HT/ZnO NRAs ordered bulk heterojunctions(BHJs)either through ZnO surface modification with N719dye or CdS shell layer or by inclusion of a fullerene derivative into the P3HT matrix.Experimental results indicate that performances of the hybrid solar cells are improved greatly with the incorporation of a third component.However,the working principles of these third components differ from one another,according to morphology,structure,optical property,charge transfer and interfacial properties of the composite structures.An ideal device architecture for hybrid solar cells based on P3HT/ZnO NRAs ordered BHJs is proposed,which can be used as a guidance to further increase the power conversion efficiency of such solar cells.
文摘Recently,photovoltaic devices based on aqueous materials are drawing more and more attentions following the green chemistry concept.This review aims to present a general overview of polymer-nanocrystal hybrid photovoltaic devices based on aqueous materials.First,all-organic polymer solar cells based on water-soluble polymers as the active layer are briefly introduced.After that,we focus on the recent development of hybrid solar cells from aqueous polymers and colloidal nanocrystals.Finally,the remaining part of this review is focused on the challenges and proposed solutions associated with the aqueous-solution-processed hybrid solar cells.
