o-Methoxy Substituents in Spiro-OMeTAD for Efficient Inorganic–Organic Hybrid Perovskite Solar Cells

2014 ◽  
Vol 136 (22) ◽  
pp. 7837-7840 ◽  
Author(s):  
Nam Joong Jeon ◽  
Hag Geun Lee ◽  
Young Chan Kim ◽  
Jangwon Seo ◽  
Jun Hong Noh ◽  
...  

2017 ◽  
Vol 146 ◽  
pp. 589-595 ◽  
Author(s):  
Ming-Dao Zhang ◽  
Bao-Hui Zheng ◽  
Qi-Fan Zhuang ◽  
Cheng-Yan Huang ◽  
Hui Cao ◽  
...  




2013 ◽  
Vol 135 (51) ◽  
pp. 19087-19090 ◽  
Author(s):  
Nam Joong Jeon ◽  
Jaemin Lee ◽  
Jun Hong Noh ◽  
Mohammad Khaja Nazeeruddin ◽  
Michael Grätzel ◽  
...  




2014 ◽  
Vol 13 (9) ◽  
pp. 897-903 ◽  
Author(s):  
Nam Joong Jeon ◽  
Jun Hong Noh ◽  
Young Chan Kim ◽  
Woon Seok Yang ◽  
Seungchan Ryu ◽  
...  


MRS Bulletin ◽  
2015 ◽  
Vol 40 (8) ◽  
pp. 648-653 ◽  
Author(s):  
Jun Hong Noh ◽  
Sang Il Seok

Abstract



2015 ◽  
Vol 5 (20) ◽  
pp. 1501320 ◽  
Author(s):  
Jangwon Seo ◽  
Nam Joong Jeon ◽  
Woon Seok Yang ◽  
Hee-Won Shin ◽  
Tae Kyu Ahn ◽  
...  




2020 ◽  
Vol 860 ◽  
pp. 3-8
Author(s):  
Yukio Furukawa ◽  
Seiya Ikawa ◽  
Hanako Kiyohara ◽  
Yuki Sendai ◽  
Ayi Bahtiar

We have studied the effect of lead (II) cyanate Pb (OCN)2 additive on photovoltaic properties of inverted planar solar cells based on inorganic-organic hybrid perovskite CH3NH3PbI3. The active layers of the solar cells were fabricated with a reaction between CH3NH3I and a mixture of PbI2 and Pb (OCN)2. The highest power conversion efficiency was 15%. Hysteresis behaviors in JV curves were reduced. The lifetime of the solar cells was dramatically increased. SEM images indicated that crystallite sizes were enlarged. The OCN groups were not incorporated into crystals from infrared measurements. These results suggest that Pb (OCN)2 affect mainly the crystallization process of CH3NH3PbI3.



2016 ◽  
Vol 12 ◽  
pp. 1401-1409 ◽  
Author(s):  
Wei Li ◽  
Munechika Otsuka ◽  
Takehito Kato ◽  
Yang Wang ◽  
Takehiko Mori ◽  
...  

The ever increasing demand for clean energy has encouraged researchers to intensively investigate environmentally friendly photovoltaic devices. Inorganic–organic hybrid perovskite solar cells (PSCs) are very promising due to their potentials of easy fabrication processes and high power conversion efficiencies (PCEs). Designing hole-transporting materials (HTMs) is one of the key factors in achieving the high PCEs of PSCs. We now report the synthesis of two types of carbazole-based polymers, namely 3,6-Cbz-EDOT and 2,7-Cbz-EDOT, by Stille polycondensation. Despite the same chemical composition, 3,6-Cbz-EDOT and 2,7-Cbz-EDOT displayed different optical and electrochemical properties due to the different connectivity mode of the carbazole unit. Therefore, their performances as hole-transporting polymeric materials in the PSCs were also different. The device based on 2,7-Cbz-EDOT showed better photovoltaic properties with the PCE of 4.47% than that based on 3,6-Cbz-EDOT. This could be due to its more suitable highest occupied molecular orbital (HOMO) level and higher hole mobility.



Sign in / Sign up

Export Citation Format

Share Document