|
|
|
|
| LEADER |
01000caa a22002652c 4500 |
| 001 |
NLM328239542 |
| 003 |
DE-627 |
| 005 |
20250302052152.0 |
| 007 |
cr uuu---uuuuu |
| 008 |
231225s2021 xx |||||o 00| ||eng c |
| 024 |
7 |
|
|a 10.1002/adma.202100978
|2 doi
|
| 028 |
5 |
2 |
|a pubmed25n1093.xml
|
| 035 |
|
|
|a (DE-627)NLM328239542
|
| 035 |
|
|
|a (NLM)34278600
|
| 040 |
|
|
|a DE-627
|b ger
|c DE-627
|e rakwb
|
| 041 |
|
|
|a eng
|
| 100 |
1 |
|
|a Purschke, David N
|e verfasserin
|4 aut
|
| 245 |
1 |
0 |
|a Ultrafast Photoconductivity and Terahertz Vibrational Dynamics in Double-Helix SnIP Nanowires
|
| 264 |
|
1 |
|c 2021
|
| 336 |
|
|
|a Text
|b txt
|2 rdacontent
|
| 337 |
|
|
|a ƒaComputermedien
|b c
|2 rdamedia
|
| 338 |
|
|
|a ƒa Online-Ressource
|b cr
|2 rdacarrier
|
| 500 |
|
|
|a Date Revised 25.08.2021
|
| 500 |
|
|
|a published: Print-Electronic
|
| 500 |
|
|
|a Citation Status PubMed-not-MEDLINE
|
| 520 |
|
|
|a © 2021 Wiley-VCH GmbH.
|
| 520 |
|
|
|a Tin iodide phosphide (SnIP), an inorganic double-helix material, is a quasi-1D van der Waals semiconductor that shows promise in photocatalysis and flexible electronics. However, the understanding of the fundamental photophysics and charge transport dynamics of this new material is limited. Here, time-resolved terahertz (THz) spectroscopy is used to probe the transient photoconductivity of SnIP nanowire films and measure the carrier mobility. With insight into the highly anisotropic electronic structure from quantum chemical calculations, an electron mobility as high as 280 cm2 V-1 s-1 along the double-helix axis and a hole mobility of 238 cm2 V-1 s-1 perpendicular to the double-helix axis are detected. Additionally, infrared-active (IR-active) THz vibrational modes are measured, which shows excellent agreement with first-principles calculations, and an ultrafast photoexcitation-induced charge redistribution is observed that reduces the amplitude of a twisting mode of the outer SnI helix on picosecond timescales. Finally, it is shown that the carrier lifetime and mobility are limited by a trap density greater than 1018 cm-3 . The results provide insight into the optical excitation and relaxation pathways of SnIP and demonstrate a remarkably high carrier mobility for such a soft and flexible material, suggesting that it could be ideally suited for flexible electronics applications
|
| 650 |
|
4 |
|a Journal Article
|
| 650 |
|
4 |
|a double-helix nanowires
|
| 650 |
|
4 |
|a inorganic semiconductors
|
| 650 |
|
4 |
|a photoconductivity
|
| 650 |
|
4 |
|a photophysics
|
| 650 |
|
4 |
|a terahertz vibrational dynamics
|
| 650 |
|
4 |
|a ultrafast processes
|
| 650 |
|
4 |
|a van der Waals materials
|
| 700 |
1 |
|
|a Pielmeier, Markus R P
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Üzer, Ebru
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Ott, Claudia
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Jensen, Charles
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Degg, Annabelle
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Vogel, Anna
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Amer, Naaman
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Nilges, Tom
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Hegmann, Frank A
|e verfasserin
|4 aut
|
| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 34 vom: 05. Aug., Seite e2100978
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
|
| 773 |
1 |
8 |
|g volume:33
|g year:2021
|g number:34
|g day:05
|g month:08
|g pages:e2100978
|
| 856 |
4 |
0 |
|u http://dx.doi.org/10.1002/adma.202100978
|3 Volltext
|
| 912 |
|
|
|a GBV_USEFLAG_A
|
| 912 |
|
|
|a SYSFLAG_A
|
| 912 |
|
|
|a GBV_NLM
|
| 912 |
|
|
|a GBV_ILN_350
|
| 951 |
|
|
|a AR
|
| 952 |
|
|
|d 33
|j 2021
|e 34
|b 05
|c 08
|h e2100978
|