Supramolecular single-stranded calix[4]arene helices—towards a crystal engineering approach of homochiral assemblies

CrystEngComm ◽  
2011 ◽  
Vol 13 (12) ◽  
pp. 3979 ◽  
Author(s):  
Michael Mastalerz ◽  
Hebert Jesus Estevez Rivera ◽  
Iris M. Oppel ◽  
Gerald Dyker
Keyword(s):  
Crystal Engineering ◽  
Engineering Approach

scholarly journals Crystal Engineering Approach for Fabrication of Inverted Perovskite Solar Cell in Ambient Conditions

Energies ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1751
Author(s):  
Inga Ermanova ◽  
Narges Yaghoobi Nia ◽  
Enrico Lamanna ◽  
Elisabetta Di Bartolomeo ◽  
Evgeny Kolesnikov ◽  
...  
Keyword(s):  
Solar Cell ◽  
Crystal Engineering ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Perovskite Solar Cell ◽  
Layer By Layer ◽  
Ambient Conditions ◽  
Sequential Method ◽  
Engineering Approach ◽  
Hole Transporting

In this paper, we demonstrate the high potentialities of pristine single-cation and mixed cation/anion perovskite solar cells (PSC) fabricated by sequential method deposition in p-i-n planar architecture (ITO/NiOX/Perovskite/PCBM/BCP/Ag) in ambient conditions. We applied the crystal engineering approach for perovskite deposition to control the quality and crystallinity of the light-harvesting film. The formation of a full converted and uniform perovskite absorber layer from poriferous pre-film on a planar hole transporting layer (HTL) is one of the crucial factors for the fabrication of high-performance PSCs. We show that the in-air sequential deposited MAPbI3-based PSCs on planar nickel oxide (NiOX) permitted to obtain a Power Conversion Efficiency (PCE) exceeding 14% while the (FA,MA,Cs)Pb(I,Br)3-based PSC achieved 15.6%. In this paper we also compared the influence of transporting layers on the cell performance by testing material depositions quantity and thickness (for hole transporting layer), and conditions of deposition processes (for electron transporting layer). Moreover, we optimized second step of perovskite deposition by varying the dipping time of substrates into the MA(I,Br) solution. We have shown that the layer by layer deposition of the NiOx is the key point to improve the efficiency for inverted perovskite solar cell out of glove-box using sequential deposition method, increasing the relative efficiency of +26% with respect to reference cells.

An easy access to an organometallic low molecular weight gelator: a crystal engineering approach

2008 ◽  
Vol 49 (19) ◽  
pp. 3052-3055 ◽  
Author(s):  
Pathik Sahoo ◽  
D. Krishna Kumar ◽  
Darshak R. Trivedi ◽  
Parthasarathi Dastidar
Keyword(s):  
Molecular Weight ◽  
Crystal Engineering ◽  
Easy Access ◽  
Low Molecular Weight ◽  
Engineering Approach ◽  
Low Molecular Weight Gelator
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