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Optical Properties ...
Optical Properties of Few-Layer Ti3CN MXene : From Experimental Observations to Theoretical Calculations
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- Gao, Lingfeng (författare)
- Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Hangzhou 311121, Peoples R China
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- Chen, Hualong (författare)
- Shenzhen Univ, Coll Optoelect Engn, Shenzhen 518060, Peoples R China
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- Kuklin, Artem V. (författare)
- Uppsala universitet,Institutionen för fysik och astronomi,Siberian Fed Univ, Int Res Ctr Spect & Quantum Chem IRC SQC, Krasnoyarsk 660041, Russia
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- Wageh, Swelm (författare)
- King Abdulaziz Univ, Fac Sci, Dept Phys, Jeddah 21589, Saudi Arabia
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- Al-Ghamdi, Ahmed A. (författare)
- King Abdulaziz Univ, Fac Sci, Dept Phys, Jeddah 21589, Saudi Arabia
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- Ågren, Hans (författare)
- Uppsala universitet,Institutionen för fysik och astronomi,Henan Univ, Coll Chem & Chem Engn, Kaifeng 475004, Henan, Peoples R China.
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- Zhang, Han (författare)
- Shenzhen Univ, Coll Optoelect Engn, Shenzhen 518060, Peoples R China
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(creator_code:org_t)
- 2022-01-20
- 2022
- Engelska.
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Ingår i: ACS Nano. - : American Chemical Society (ACS). - 1936-0851 .- 1936-086X. ; 16:2, s. 3059-3069
- Relaterad länk:
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Despite the emerging interest in research and development of Ti3CN MXene nanosheet (NS)-based optoelectronic devices, there is still a lack of in-depth studies of the underlying photophysical processes, like carrier relaxation dynamics and nonlinear photon absorption, operating in such devices, hindering their further and precise design. In this paper, we attempt to remedy the situation by fabricating few-layer Ti3CN NSs via combining selective etching and molecular intercalation and by investigating the carrier relaxation possesses and broadband nonlinear optical responses via transient absorption and Z-scan techniques. These results are complemented by first-principle theoretical analyses of the optical properties. Both saturable absorption and reverse saturable absorption phenomena are observed due to multiphoton absorption effects. The analysis of these results adds to the understanding of the basic photophysical processes, which is anticipated to be beneficial for the further design of MXene-based devices.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Ti3CN
- MXene
- transient absorption
- Z-scan
- density functional theory calculations
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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