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[[User:Hsienching|Hsienching]] ([[User talk:Hsienching|talk]]) 09:09, 26 June 2024 (UTC)
[[User:Hsienching|Hsienching]] ([[User talk:Hsienching|talk]]) 09:09, 26 June 2024 (UTC)

== Research highlights - Optical properties of graphene nanoribbons ==

Prof. Ming-Fa Lin has representative contribution in "optical properties of graphene nanoribbons", which can be found in [[Graphene nanoribbon#Optical properties]]. A brief description about the research contribution can be added to a subsection of "Research highlights".

Here is the Wikipedia content backup:

{{main|Graphene nanoribbon#Optical properties}}

The earliest numerical results on the optical properties of graphene nanoribbons were obtained by [[Ming-Fa Lin|Lin]] and Shyu in 2000.<ref name="ReviewPCCPChung2016">{{cite journal |first1=H. C. |last1=Chung |first2=C. P. |last2=Chang |first3=C. Y. |last3=Lin |first4=M. F. |last4=Lin |year=2016 |title=Electronic and optical properties of graphene nanoribbons in external fields |journal=Physical Chemistry Chemical Physics |volume=18 |issue=11 |pages=7573–7616 |doi=10.1039/C5CP06533J |pmid=26744847 |arxiv=1510.01889 |bibcode=2016PCCP...18.7573C |s2cid=35857980 }}</ref><ref>{{cite journal |journal=J. Phys. Soc. Jpn. |year=2000 |volume=69 |page=3529 |doi=10.1143/JPSJ.69.3529 |title=Optical Properties of Nanographite Ribbons |last1=Lin |first1=Ming-Fa |last2=Shyu |first2=Feng-Lin |issue=11|bibcode=2000JPSJ...69.3529L }}</ref> The different [[selection rules]] for optical transitions in graphene nanoribbons with armchair and zigzag edges were reported. These results were supplemented by a comparative study of zigzag nanoribbons with single wall armchair [[carbon nanotubes]] by Hsu and [[Linda Reichl|Reichl]] in 2007.<ref>{{cite journal | journal= Phys. Rev. B | year=2007 | volume=76 | issue=4 | page=045418 | doi=10.1103/PhysRevB.76.045418 | title=Selection rule for the optical absorption of graphene nanoribbons | last1=Hsu |first1=Han |last2=Reichl |first2=L. E.|author2-link= Linda Reichl |bibcode=2007PhRvB..76d5418H }}</ref> It was demonstrated that selection rules in zigzag ribbons are different from those in carbon nanotube and the eigenstates in zigzag ribbons can be classified as either symmetric or antisymmetric. Also, it was predicted that edge states should play an important role in the optical absorption of zigzag nanoribbons. Optical transitions between the edge and bulk states should enrich the low-energy region (<math><3</math> eV) of the absorption spectrum by strong absorption peaks. Analytical derivation of the numerically obtained selection rules was presented in 2011.<ref>{{cite journal | first1=H. C. | last1=Chung | first2=M. H. | last2=Lee | first3=C. P.| last3=Chang | first4=M. F. | last4=Lin | title=Exploration of edge-dependent optical selection rules for graphene nanoribbons| journal=Optics Express | volume=19 | issue=23| pages=23350–63 | year=2011 | doi=10.1364/OE.19.023350| pmid=22109212 | bibcode=2011OExpr..1923350C| arxiv=1104.2688 | s2cid=119190424 }}</ref><ref>{{ cite journal | journal=Phys. Rev. B | first1=K.-I. | last1=Sasaki| first2=K. | last2=Kato| first3=Y. | last3=Tokura| first4=K. | last4=Oguri | first5=T. | last5=Sogawa| title=Theory of optical transitions in graphene nanoribbons| volume=84| issue=8 | year=2011| page=085458|doi=10.1103/PhysRevB.84.085458| arxiv=1107.0795| bibcode=2011PhRvB..84h5458S | s2cid=119091338 }}</ref><ref name="ReviewPCCPChung2016" /> The selection rule for the incident light polarized longitudinally to the zigzag ribbon axis is that <math> \Delta J = J_2 - J_1</math> is odd, where <math> J_{1}</math> and <math> J_{2}</math> number the energy bands, while for the perpendicular polarization <math>\Delta J = J_2 - J_1</math> is even. Intraband (intersubband) transitions between the conduction (valence) [[sub-band]]s are also allowed if <math>\Delta J = J_2 - J_1</math> is even.
[[File:Optical selection rules of zigzag graphene nanoribbons.gif|thumb|Optical selection rules of zigzag graphene nanoribbons]]
For graphene nanoribbons with armchair edges the selection rule is <math>\Delta J = J_2 - J_1 = 0</math>. Similar to tubes transitions intersubband transitions are forbidden for armchair graphene nanoribbons. Despite different selection rules in single wall armchair carbon nanotubes and zigzag graphene nanoribbons a hidden correlation of the absorption peaks is predicted.<ref>{{cite journal | first1=V. A.| last1=Saroka | first2=M. V. | last2=Shuba | first3=M. E.| last3=Portnoi| title=Optical selection rules of zigzag graphene nanoribbons| journal=Phys. Rev. B| volume=95| issue=15| year=2017| page=155438| doi=10.1103/PhysRevB.95.155438| arxiv=1705.00757| bibcode=2017PhRvB..95o5438S}}</ref> The correlation of the absorption peaks in tubes and ribbons should take place when the number of atoms in the tube unit cell <math>N_t</math> is related to the number of atoms in the zigzag ribbon unit cell <math>N_r</math> as follows: <math>N_t = 2 N_r + 4</math>, which is so-called matching condition for the periodic and hard wall boundary conditions. These results obtained within the nearest-neighbor approximation of the tight-binding model have been corroborated with first principles density functional theory calculations taking into account exchange and correlation effects.<ref>{{cite journal | first1=R.B. | last1=Payod| first2=D. | last2=Grassano| first3=G.N.C. | last3=Santos | first4=D.I. | last4=Levshov| first5=O. | last5=Pulci| first6=V. A.| last6=Saroka | title=2N+4-rule and an atlas of bulk optical resonances of zigzag graphene nanoribbons| journal=Nat. Commun.| volume=11| issue=1| year=2020| page=82| doi=10.1038/s41467-019-13728-8| pmid=31900390| pmc=6941967| bibcode=2020NatCo..11...82P| doi-access=free}}</ref>

First-principle calculations with quasiparticle corrections and many-body effects explored the electronic and optical properties of graphene-based materials.<ref>{{cite journal |journal=Rev. Mod. Phys. |year=2002 |volume=74 |page=601 |doi=10.1103/RevModPhys.74.601 |bibcode=2002RvMP...74..601O |title=Electronic excitations: Density-functional versus many-body Green's-function approaches |last1=Onida |first1=Giovanni |last2=Rubio |first2=Angel |issue=2|hdl=10261/98472 |hdl-access=free }}</ref> With GW calculation, the properties of graphene-based materials are accurately investigated, including graphene nanoribbons,<ref>{{cite journal |journal=Physical Review B |year=2008 |volume=77 |page=041404 |doi=10.1103/PhysRevB.77.041404 |title=Optical properties of graphene nanoribbons: The role of many-body effects |last1=Prezzi |first1=Deborah |last2=Varsano |first2=Daniele |last3=Ruini |first3=Alice |last4=Marini |first4=Andrea |last5=Molinari |first5=Elisa |issue=4|arxiv = 0706.0916 |bibcode = 2008PhRvB..77d1404P |s2cid=73518107 }}<br/>{{cite journal |journal=Nano Lett. |year=2007 |volume=7 |pages=3112–5 |doi=10.1021/nl0716404 |title=Excitonic Effects in the Optical Spectra of Graphene Nanoribbons |last1=Yang |first1=Li |last2=Cohen |first2=Marvin L. |last3=Louie |first3=Steven G. |issue=10 |pmid=17824720|arxiv = 0707.2983 |bibcode = 2007NanoL...7.3112Y |s2cid=16943236 }}<br/>{{cite journal |journal=Physical Review Letters |year=2008 |volume=101 |page=186401 |doi=10.1103/PhysRevLett.101.186401 |bibcode=2008PhRvL.101r6401Y |title=Magnetic Edge-State Excitons in Zigzag Graphene Nanoribbons |last1=Yang |first1=Li |last2=Cohen |first2=Marvin L. |last3=Louie |first3=Steven G. |issue=18 |pmid=18999843}}</ref> edge and surface functionalized armchair graphene nanoribbons<ref>{{cite journal |journal=J. Phys. Chem. C |year=2010 |volume=114 |page=17257 |doi=10.1021/jp102341b |title=Excitons of Edge and Surface Functionalized Graphene Nanoribbons |last1=Zhu |first1=Xi |last2=Su |first2=Haibin |issue=41}}</ref> and scaling properties in armchair graphene nanoribbons.<ref>{{cite journal |title=Scaling of Excitons in Graphene Nanoribbons with Armchair Shaped Edges |journal=Journal of Physical Chemistry A |year=2011 |volume=115 |issue=43 |pages=11998–12003 |doi=10.1021/jp202787h |pmid=21939213 |last1=Zhu |first1=Xi |last2=Su |first2=Haibin|bibcode=2011JPCA..11511998Z }}</ref>

[[User:Hsienching|Hsienching]] ([[User talk:Hsienching|talk]]) 09:22, 26 June 2024 (UTC) [[User:Hsienching|Hsienching]] ([[User talk:Hsienching|talk]]) 09:22, 26 June 2024 (UTC)

Revision as of 09:22, 26 June 2024

English Title of PhD Dissertation

The English title listed in the National Digital Library in Taiwan is "Mand-Body Effects in Graphite Intercalation Compounds and Graphene Tubules" (https://hdl.handle.net/11296/z92prp).

The English title listed in the National Tsing Hua University Library is "Many- Body Effects in Graphite Intercalation Compounds and Graphene Tubules" (https://nthu.primo.exlibrisgroup.com/permalink/886UST_NTHU/13efpo6/alma990001089380206774).

The English title should be corrected as "Many-Body Effects in Graphite Intercalation Compounds and Graphene Tubules".

I've informed the two libraries to correct the English title. I will modify the typo on the Wikipedia article page after the libraries correct the issues.

Hsienching (talk) 15:18, 26 April 2024 (UTC)[reply]

On Apr. 29th, The English title listed in the National Tsing Hua University Library was corrected to "Many-Body Effects in Graphite Intercalation Compounds and Graphene Tubules". (https://nthu.primo.exlibrisgroup.com/permalink/886UST_NTHU/13efpo6/alma990001089380206774)
I'll modify the title and add the original data source on the Wiki page.
Hsienching (talk) 02:14, 7 May 2024 (UTC)[reply]
On May 10th, The English title listed in the National Digital Library in Taiwan was corrected to "Many-Body Effects in Graphite Intercalation Compounds and Graphene Tubules" (https://hdl.handle.net/11296/z92prp).
The English title listed on the Wiki page has been corrected.
Hsienching (talk) 15:59, 11 May 2024 (UTC)[reply]

Research highlights

A section of "Research highlights" can be added, putting the representative research contribution of Prof. Ming-Fa Lin. The subsections are representative research topics. The order of sections should be adjusted for smooth reading.

Hsienching (talk) 09:09, 26 June 2024 (UTC)[reply]

Research highlights - Optical properties of graphene nanoribbons

Prof. Ming-Fa Lin has representative contribution in "optical properties of graphene nanoribbons", which can be found in Graphene nanoribbon#Optical properties. A brief description about the research contribution can be added to a subsection of "Research highlights".

Here is the Wikipedia content backup:

Main article: Graphene nanoribbon § Optical properties

The earliest numerical results on the optical properties of graphene nanoribbons were obtained by Lin and Shyu in 2000.[1][2] The different selection rules for optical transitions in graphene nanoribbons with armchair and zigzag edges were reported. These results were supplemented by a comparative study of zigzag nanoribbons with single wall armchair carbon nanotubes by Hsu and Reichl in 2007.[3] It was demonstrated that selection rules in zigzag ribbons are different from those in carbon nanotube and the eigenstates in zigzag ribbons can be classified as either symmetric or antisymmetric. Also, it was predicted that edge states should play an important role in the optical absorption of zigzag nanoribbons. Optical transitions between the edge and bulk states should enrich the low-energy region ( eV) of the absorption spectrum by strong absorption peaks. Analytical derivation of the numerically obtained selection rules was presented in 2011.[4][5][1] The selection rule for the incident light polarized longitudinally to the zigzag ribbon axis is that is odd, where and number the energy bands, while for the perpendicular polarization is even. Intraband (intersubband) transitions between the conduction (valence) sub-bands are also allowed if is even.

Optical selection rules of zigzag graphene nanoribbons

For graphene nanoribbons with armchair edges the selection rule is . Similar to tubes transitions intersubband transitions are forbidden for armchair graphene nanoribbons. Despite different selection rules in single wall armchair carbon nanotubes and zigzag graphene nanoribbons a hidden correlation of the absorption peaks is predicted.[6] The correlation of the absorption peaks in tubes and ribbons should take place when the number of atoms in the tube unit cell is related to the number of atoms in the zigzag ribbon unit cell as follows: , which is so-called matching condition for the periodic and hard wall boundary conditions. These results obtained within the nearest-neighbor approximation of the tight-binding model have been corroborated with first principles density functional theory calculations taking into account exchange and correlation effects.[7]

First-principle calculations with quasiparticle corrections and many-body effects explored the electronic and optical properties of graphene-based materials.[8] With GW calculation, the properties of graphene-based materials are accurately investigated, including graphene nanoribbons,[9] edge and surface functionalized armchair graphene nanoribbons[10] and scaling properties in armchair graphene nanoribbons.[11]

Hsienching (talk) 09:22, 26 June 2024 (UTC) Hsienching (talk) 09:22, 26 June 2024 (UTC)[reply]

  1. ^ a b Chung, H. C.; Chang, C. P.; Lin, C. Y.; Lin, M. F. (2016). "Electronic and optical properties of graphene nanoribbons in external fields". Physical Chemistry Chemical Physics. 18 (11): 7573–7616. arXiv:1510.01889. Bibcode:2016PCCP...18.7573C. doi:10.1039/C5CP06533J. PMID 26744847. S2CID 35857980.
  2. ^ Lin, Ming-Fa; Shyu, Feng-Lin (2000). "Optical Properties of Nanographite Ribbons". J. Phys. Soc. Jpn. 69 (11): 3529. Bibcode:2000JPSJ...69.3529L. doi:10.1143/JPSJ.69.3529.
  3. ^ Hsu, Han; Reichl, L. E. (2007). "Selection rule for the optical absorption of graphene nanoribbons". Phys. Rev. B. 76 (4): 045418. Bibcode:2007PhRvB..76d5418H. doi:10.1103/PhysRevB.76.045418.
  4. ^ Chung, H. C.; Lee, M. H.; Chang, C. P.; Lin, M. F. (2011). "Exploration of edge-dependent optical selection rules for graphene nanoribbons". Optics Express. 19 (23): 23350–63. arXiv:1104.2688. Bibcode:2011OExpr..1923350C. doi:10.1364/OE.19.023350. PMID 22109212. S2CID 119190424.
  5. ^ Sasaki, K.-I.; Kato, K.; Tokura, Y.; Oguri, K.; Sogawa, T. (2011). "Theory of optical transitions in graphene nanoribbons". Phys. Rev. B. 84 (8): 085458. arXiv:1107.0795. Bibcode:2011PhRvB..84h5458S. doi:10.1103/PhysRevB.84.085458. S2CID 119091338.
  6. ^ Saroka, V. A.; Shuba, M. V.; Portnoi, M. E. (2017). "Optical selection rules of zigzag graphene nanoribbons". Phys. Rev. B. 95 (15): 155438. arXiv:1705.00757. Bibcode:2017PhRvB..95o5438S. doi:10.1103/PhysRevB.95.155438.
  7. ^ Payod, R.B.; Grassano, D.; Santos, G.N.C.; Levshov, D.I.; Pulci, O.; Saroka, V. A. (2020). "2N+4-rule and an atlas of bulk optical resonances of zigzag graphene nanoribbons". Nat. Commun. 11 (1): 82. Bibcode:2020NatCo..11...82P. doi:10.1038/s41467-019-13728-8. PMC 6941967. PMID 31900390.
  8. ^ Onida, Giovanni; Rubio, Angel (2002). "Electronic excitations: Density-functional versus many-body Green's-function approaches". Rev. Mod. Phys. 74 (2): 601. Bibcode:2002RvMP...74..601O. doi:10.1103/RevModPhys.74.601. hdl:10261/98472.
  9. ^ Prezzi, Deborah; Varsano, Daniele; Ruini, Alice; Marini, Andrea; Molinari, Elisa (2008). "Optical properties of graphene nanoribbons: The role of many-body effects". Physical Review B. 77 (4): 041404. arXiv:0706.0916. Bibcode:2008PhRvB..77d1404P. doi:10.1103/PhysRevB.77.041404. S2CID 73518107.
    Yang, Li; Cohen, Marvin L.; Louie, Steven G. (2007). "Excitonic Effects in the Optical Spectra of Graphene Nanoribbons". Nano Lett. 7 (10): 3112–5. arXiv:0707.2983. Bibcode:2007NanoL...7.3112Y. doi:10.1021/nl0716404. PMID 17824720. S2CID 16943236.
    Yang, Li; Cohen, Marvin L.; Louie, Steven G. (2008). "Magnetic Edge-State Excitons in Zigzag Graphene Nanoribbons". Physical Review Letters. 101 (18): 186401. Bibcode:2008PhRvL.101r6401Y. doi:10.1103/PhysRevLett.101.186401. PMID 18999843.
  10. ^ Zhu, Xi; Su, Haibin (2010). "Excitons of Edge and Surface Functionalized Graphene Nanoribbons". J. Phys. Chem. C. 114 (41): 17257. doi:10.1021/jp102341b.
  11. ^ Zhu, Xi; Su, Haibin (2011). "Scaling of Excitons in Graphene Nanoribbons with Armchair Shaped Edges". Journal of Physical Chemistry A. 115 (43): 11998–12003. Bibcode:2011JPCA..11511998Z. doi:10.1021/jp202787h. PMID 21939213.
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