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Inorganic Ions Assi...
Inorganic Ions Assisted the Anisotropic Growth of CsPbCl3 Nanowires with Surface Passivation Effect
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- Tang, Yingying (författare)
- Tech Univ Denmark, Dept Chem, DK-2800 Kongens Lyngby, Denmark,Technical University of Denmark
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- Cao, Xianyi (författare)
- Tech Univ Denmark, Dept Chem, DK-2800 Kongens Lyngby, Denmark,Technical University of Denmark
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- Honarfar, Alireza (författare)
- Lund Univ, Dept Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden,Lund University
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- Abdellah, Mohamed (författare)
- Uppsala University,Uppsala universitet,Fysikalisk kemi,South Valley Univ, Qena Fac Sci, Dept Chem, Qena 83523, Egypt,South Valley University
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- Chen, Chaoyu (författare)
- LOrme Merisiers, Synchrotron SOLEIL, St Aubin BP 48, F-91192 Gif Sur Yvette, France
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- Avila, Jose (författare)
- LOrme Merisiers, Synchrotron SOLEIL, St Aubin BP 48, F-91192 Gif Sur Yvette, France
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- Asensio, Maria-Carmen (författare)
- LOrme Merisiers, Synchrotron SOLEIL, St Aubin BP 48, F-91192 Gif Sur Yvette, France
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- Hammarström, Leif, 1964- (författare)
- Uppsala University,Uppsala universitet,Fysikalisk kemi
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- Sá, Jacinto (författare)
- Uppsala University,Uppsala universitet,Fysikalisk kemi
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- Canton, Sophie E. (författare)
- ELI HU Nonprofit Ltd, ELI ALPS, Dugonicster 13, H-6720 Szeged, Hungary;Deutsch Elektronen Synchrotron DESY, Attosci Grp, Notkestr 85, D-22607 Hamburg, Germany,ELI Attosecond Light Pulse Source (ELI-ALPS),German Electron Synchrotron (DESY)
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- Zheng, Kaibo (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Technical University of Denmark
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- Pullerits, Tönu (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Chi, Qijin (författare)
- Tech Univ Denmark, Dept Chem, DK-2800 Kongens Lyngby, Denmark,Technical University of Denmark
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- Asensio, L (författare)
- Synchrotron SOLEIL
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(creator_code:org_t)
- 2018-08-08
- 2018
- Engelska.
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Ingår i: ACS Applied Materials and Interfaces. - : American Chemical Society (ACS). - 1944-8244 .- 1944-8252. ; 10:35, s. 29574-29582
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- All-inorganic halide perovskite nanowires (NWs) exhibit improved thermal and hydrolysis stability and could thus play a vital role in nanoscale optoelectronics. Among them, blue-light-based devices are extremely limited because of the lack of a facile method to obtain high-purity CsPbCl3 NWs. Herein, we report a direct and facile method for the synthesis of CsPbCl3 NWs assisted by inorganic ions that served both as a morphology controlling agent for the anisotropic growth of nanomaterials and a surface passivation species modulating the surface of nanomaterials. This new approach allows us to obtain high-purity and size-uniform NWs as long as 500 nm in length and 20 nm in diameter with high reproducibility. X-ray photoelectron spectroscopy and ultrafast spectroscopic measurements confirmed that a reduced band gap caused by the surface species of NWs relative to nanocubes (NCs) was achieved at the photon energy of 160 eV because of the hybrid surface passivation contributed by adsorbed inorganic ions. The resulting NWs demonstrate significantly enhanced photoelectrochemical performances, 3.5-fold increase in the photocurrent generation, and notably improved stability compared to their NC counterparts. Our results suggest that the newly designed NWs could be a promising material for the development of nanoscale optoelectronic devices.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- inorganic halide perovskite
- CsPbCl3 nanowires
- surface passivation
- photoelectrochemical cell
- electron and hole injection
- ultrafast spectroscopy
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Tang, Yingying
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Cao, Xianyi
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Honarfar, Alirez ...
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Abdellah, Mohame ...
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Chen, Chaoyu
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Avila, Jose
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Asensio, Maria-C ...
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Hammarström, Lei ...
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Sá, Jacinto
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Canton, Sophie E ...
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Zheng, Kaibo
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Pullerits, Tönu
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Chi, Qijin
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Asensio, L
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