Synthesis and photovoltaic performance of dihydrodibenzoazepine-based sensitizers with additional lateral anchor
摘要:
Three novel metal-free organic dyes with dihydro-5H-dibenzo[b,f]azepine as a donor and cyanoacrylic acid as an anchoring unit were designed as an innovative linear skeleton of D-D-pi-A type of organic dyes. The conversion efficiency of the derived dye-sensitized solar cells is moderate. Among them, the dye with a hydroxy group as an additional anchoring moiety exhibited the highest UV-Vis absorption with a maximum molar extinction coefficient of 24,136 M-1 cm(-1) at lambda(max) = 458 nm and the best photovoltaic performance with an overall power conversion efficiency of 4.88%, while the dye with a carboxy group as an additional anchoring moiety exhibited the lowest conversion efficiency (4.52%). The results show that the dye loading on the film and photovoltaic performance of the dyes were influenced by the additional anchoring units. (C) 2013 Elsevier Ltd. All rights reserved.
METHOD OF PRODUCING PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION ELEMENT, AND PHOTOELECTROCHEMICAL CELL
申请人:KOBAYASHI Katsumi
公开号:US20110073187A1
公开(公告)日:2011-03-31
A method of producing a photoelectric conversion element, which the element contains an electrically conductive support, a photosensitive layer having porous semiconductor fine particles, a charge transfer layer; and a counter electrode;
containing the steps of:
applying a semiconductor fine particle dispersion liquid, in which the content of solids excluding semiconductor fine particles is 10% by mass or less based on the total amount of the dispersion liquid, on the support, to form a coating;
heating the coating, to obtain porous semiconductor fine particles; and
sensitizing the porous particles by adsorption of the following dye:
wherein X represents a group of non-metallic atoms necessary for forming a 7-membered ring; Y represents a dye residue; n represents an integer of 1 or more; Z represents a substituent; m represents 0 or a positive integer; and R
1
represents a hydrogen atom or a specific substituent.
US8647708B2
申请人:——
公开号:US8647708B2
公开(公告)日:2014-02-11
US8779126B2
申请人:——
公开号:US8779126B2
公开(公告)日:2014-07-15
US9424998B2
申请人:——
公开号:US9424998B2
公开(公告)日:2016-08-23
Synthesis and photovoltaic performance of dihydrodibenzoazepine-based sensitizers with additional lateral anchor
作者:Xu-Feng Zang、Yang-Fan Xu、Zafar Iqbal、Zu-Sheng Huang、Dai-Bin Kuang、Lingyun Wang、Herbert Meier、Ying Li、Derong Cao
DOI:10.1016/j.dyepig.2013.08.023
日期:2013.12
Three novel metal-free organic dyes with dihydro-5H-dibenzo[b,f]azepine as a donor and cyanoacrylic acid as an anchoring unit were designed as an innovative linear skeleton of D-D-pi-A type of organic dyes. The conversion efficiency of the derived dye-sensitized solar cells is moderate. Among them, the dye with a hydroxy group as an additional anchoring moiety exhibited the highest UV-Vis absorption with a maximum molar extinction coefficient of 24,136 M-1 cm(-1) at lambda(max) = 458 nm and the best photovoltaic performance with an overall power conversion efficiency of 4.88%, while the dye with a carboxy group as an additional anchoring moiety exhibited the lowest conversion efficiency (4.52%). The results show that the dye loading on the film and photovoltaic performance of the dyes were influenced by the additional anchoring units. (C) 2013 Elsevier Ltd. All rights reserved.