User profiles for Emre Yengel
Emre YengelAixtron SE Verified email at aixtron.com Cited by 5657 |
17% Efficient Organic Solar Cells Based on Liquid Exfoliated WS2 as a Replacement for PEDOT:PSS
The application of liquid‐exfoliated 2D transition metal disulfides (TMDs) as the hole
transport layers (HTLs) in nonfullerene‐based organic solar cells is reported. It is shown that …
transport layers (HTLs) in nonfullerene‐based organic solar cells is reported. It is shown that …
The energy level conundrum of organic semiconductors in solar cells
The frontier molecular energy levels of organic semiconductors are decisive for their fundamental
function and efficiency in optoelectronics. However, the precise determination of these …
function and efficiency in optoelectronics. However, the precise determination of these …
Self-assembled monolayer enables hole transport layer-free organic solar cells with 18% efficiency and improved operational stability
We report on bulk-heterojunction (BHJ) organic photovoltaics (OPVs) based on the self-assembled
monolayer (SAM) 2PACz as a hole-selective interlayer functionalized directly onto …
monolayer (SAM) 2PACz as a hole-selective interlayer functionalized directly onto …
Zero-Dimensional Cs4PbBr6 Perovskite Nanocrystals
Perovskite nanocrystals (NCs) have become leading candidates for solution-processed
optoelectronics applications. While substantial work has been published on 3-D perovskite …
optoelectronics applications. While substantial work has been published on 3-D perovskite …
A simple n-dopant derived from diquat boosts the efficiency of organic solar cells to 18.3%
Molecular doping has recently been shown to improve the operating characteristics of
organic photovoltaics (OPVs). Here, we prepare neutral Diquat (DQ) and use it as n-dopant to …
organic photovoltaics (OPVs). Here, we prepare neutral Diquat (DQ) and use it as n-dopant to …
18.4% organic solar cells using a high ionization energy self‐assembled monolayer as hole‐extraction interlayer
Self‐assembled monolayers (SAMs) based on Br‐2PACz ([2‐(3,6‐dibromo‐9H‐carbazol‐9‐yl)ethyl]phosphonic
acid) 2PACz ([2‐(9H‐Carbazol‐9‐yl)ethyl]phosphonic acid) and MeO‐…
acid) 2PACz ([2‐(9H‐Carbazol‐9‐yl)ethyl]phosphonic acid) and MeO‐…
28.2%-efficient, outdoor-stable perovskite/silicon tandem solar cell
Stacking perovskite solar cells onto crystalline silicon bottom cells in a monolithic tandem
configuration enables power-conversion efficiencies (PCEs) well above those of their single-…
configuration enables power-conversion efficiencies (PCEs) well above those of their single-…
Concurrent cationic and anionic perovskite defect passivation enables 27.4% perovskite/silicon tandems with suppression of halide segregation
Stable and efficient perovskite/silicon tandem solar cells require defect passivation and
suppression of light-induced phase segregation of the wide-band-gap perovskite. Here, we …
suppression of light-induced phase segregation of the wide-band-gap perovskite. Here, we …
Inside Perovskites: Quantum Luminescence from Bulk Cs4PbBr6 Single Crystals
Zero-dimensional perovskite-related structures (0D-PRS) are a new frontier of perovskite-based
materials. 0D-PRS, commonly synthesized in powder form, manifest distinctive optical …
materials. 0D-PRS, commonly synthesized in powder form, manifest distinctive optical …
17.1% efficient single‐junction organic solar cells enabled by n‐type doping of the bulk‐heterojunction
Molecular doping is often used in organic semiconductors to tune their (opto)electronic
properties. Despite its versatility, however, its application in organic photovoltaics (OPVs) …
properties. Despite its versatility, however, its application in organic photovoltaics (OPVs) …