Bottom-up approach to making larger hydrocarbon molecules capable of optical cycling

G. Lao,† T. Khvorost,† A. Macias, Jr., H. Morgan, R. Lavroff, R. Choi, H. Zhou, D. Usvyat, G. Z. Zhu,* M. A. Garcia-Garibay,* A. N. Alexandrova,* E. R. Hudson,* and W. C. Campbell

Nat. Chem. 18, 84–91 (2026)

Unraveling vibronic interactions in molecules functionalized with optical cycling centers

W. P. Wójcik, H. Zhou, T. Khvorost, G. Z. Zhu, G. Lao, J. R. Caram, A. N. Alexandrova, E. R. Hudson, W. C. Campbell, and A. I. Krylov

J. Chem. Phys. 164, 014306 (2026)

Vibronic Coupling Limits the Use of High-Lying Electronic States in Complex Molecules for Laser Cooling

H. Zhou,† P. Wójcik,† G. Z. Zhu, G. Lao, T. Khvorost, J. R. Caram, W. C. Campbell, A. N. Alexandrova, A. I. Krylov, and E. R. Hudson

Phys. Rev. Res. 7, 043180 (2025)

Photoswitching Molecules Functionalized with Optical Cycling Centers Provide a Novel Platform for Studying Chemical Transformations in Ultracold Molecules

Paweł Wójcik, Taras Khvorost, Guanming Lao, Guo-Zhu Zhu, Antonio Macias Jr., Justin R. Caram, Wesley C. Campbell, Miguel A. García-Garibay, Eric R. Hudson, Anastassia N. Alexandrova & Anna I. Krylov*

Phys. Chem. A 129, 1929–1940 (2024)

Extending the Large Molecule Limit: The Role of Fermi Resonance in Developing a Quantum Functional Group

Guo-Zhu Zhu*, Guanming Lao, Claire E. Dickerson, Justin R. Caram, Wesley C. Campbell, Anastassia N. Alexandrova & Eric R. Hudson

J. Phys. Chem. Lett. 15, 590–597 (2024).

Role of Polarization Interactions in the Formation of Dipole-Bound States

Yue-Rou Zhang, Dao-Fu Yuan*, Chen-Hui Qian, Guo-Zhu Zhu & Lai-Sheng Wang*

J. Am. Chem. Soc. 145, 14952–14962 (2023).

Cryogenic Photodetachment Spectroscopy and High-Resolution Resonant Photoelectron Imaging of Cold para-Ethylphenolate Anions

Dao-Fu Yuan, Yue-Rou Zhang, Chen-Hui Qian, Guo-Zhu Zhu & Lai-Sheng Wang*

Precis. Chem. 1, 161–174 (2023).

Laser Spectroscopy of Aromatic Molecules with Optical Cycling Centers: Strontium(I) Phenoxides

Guanming Lao, Guo-Zhu Zhu*, Claire E. Dickerson, Benjamin L. Augenbraun, Anastassia N. Alexandrova, Justin R. Caram, Eric R. Hudson & Wesley C. Campbell

J. Phys. Chem. Lett. 13, 11029–11035 (2022).

Pathway Towards Optical Cycling and Laser Cooling of Functionalized Arenes.

D. Mitra,* Z. D. Lasner, G. Z. Zhu, C. E. Dickerson, B. L. Augenbraun, A. D. Bailey, A. N. Alexandrova, W. C. Campbell, J. R. Caram, E. R. Hudson & J. M. Doyle

J. Phys. Chem. Lett. 13, 7029−7035 (2022).

Functionalizing aromatic compounds with optical cycling centres

Guo-Zhu Zhu, Debayan Mitra, Benjamin L. Augenbraun, Claire E. Dickerson, Michael J. Frim, Guanming Lao, Zack D. Lasner, Anastassia N. Alexandrova, Wesley C. Campbell, Justin R. Caram, John M. Doyle & Eric R. Hudson

Nat. Chem. 14, 995–999 (2022).

High-resolution laser-induced fluorescence spectroscopy of ²⁸Si¹⁶O⁺ and ²⁹Si¹⁶O⁺ in a cryogenic buffer-gas cell

Guo-Zhu Zhu, Guanming Lao, Clayton Ho, Wesley C. Campbell & Eric R. Hudson

J. Mol. Spectrosc. 384, 111582 (2022).

Optical Cycling Functionalization of Arenes

Claire E. Dickerson, Han Guo, Guo-Zhu Zhu, Eric R. Hudson, Justin R. Caram, Wesley C. Campbell & Anastassia N. Alexandrova*

J. Phys. Chem. Lett. 12, 3989−3995 (2021).

In search of molecular ions for optical cycling: a difficult road

Maxim V Ivanov, Thomas-C Jagau, Guo-Zhu Zhu, Eric R Hudson & Anna I Krylov

Phys. Chem. Chem. Phys. 22, 17075−17090 (2020).

Observation of a Symmetry-Forbidden Excited Quadrupole-Bound State

Yuan Liu, Guo-Zhu Zhu, Dao-Fu Yuan, Chen-Hui Qian, Yue-Rou Zhang, Brenda M. Rubenstein & Lai-Sheng Wang*

J. Am. Chem. Soc. 142, 20240–20246 (2020).

Photodetachment spectroscopy and resonant photoelectron imaging of the 2-naphthoxide anion via dipole-bound excited states

Chen-Hui Qian, Guo-Zhu Zhu, Yue-Rou Zhang & Lai-Sheng Wang

J. Chem. Phys. 152, 214307 (2020).

Probing the Critical Dipole Moment To Support Excited Dipole-Bound States in Valence-Bound Anions

Chen-Hui Qian, Guo-Zhu Zhu & Lai-Sheng Wang*

J. Phys. Chem. Lett. 10, 6472−6477 (2019).

High-resolution photoelectron imaging and resonant photoelectron spectroscopy via noncovalently bound excited states of cryogenically cooled anions

Guo-Zhu Zhu & Lai-Sheng Wang

Chem. Sci. 10, 9409−9423 (2019).

Resonant Two-Photon Photoelectron Imaging and Intersystem Crossing from Excited Dipole-Bound States of Cold Anions

Guo-Zhu Zhu, Ling Fung Cheung, Yuan Liu, Chen-Hui Qian & Lai-Sheng Wang

J. Phys. Chem. Lett. 10, 4339−4344 (2019).

Tautomer-Specific Resonant Photoelectron Imaging of Deprotonated Cytosine Anions.

Guo-Zhu Zhu, Chen-Hui Qian & Prof. Dr. Lai-Sheng Wang

Angew. Chem. Int. Ed. 58, 7856−7860 (2019).

Dipole-bound excited states and resonant photoelectron imaging of phenoxide and thiophenoxide anions

Guo-Zhu Zhu, Chen-Hui Qian & Lai-Sheng Wang

J. Chem. Phys. 149, 164301 (2018).

Probing the interaction between the encapsulated water molecule and the fullerene cages in H₂O@C₆₀⁻ and H₂O@C₅₉N⁻

Guo-Zhu Zhu, Yuan Liu, Yoshifumi Hashikawa, Qian-Fan Zhang, Yasujiro Murata & Lai-Sheng Wang

Chem. Sci. 9, 5666−5671 (2018).

High-Resolution Photoelectron Imaging of Cryogenically-Cooled C₅₉N⁻ and (C₅₉N)₂²⁻ Azafullerene Anions

Guo-Zhu Zhu, Yoshifumi Hashikawa, Yuan Liu, Qian-Fan Zhang, Ling Fung Cheung, Yasujiro Murata & Lai-Sheng Wang

J. Phys. Chem. Lett. 8, 6220−6225 (2017).

Observation of Excited Quadrupole-Bound States in Cold Anions.

Guo-Zhu Zhu, Yuan Liu & Lai-Sheng Wang*

Phys. Rev. Lett. 119, 023002 (2017).

Conformation-Selective Resonant Photoelectron Imaging from Dipole-Bound States of Cold 3-Hydroxyphenoxide.

Guo-Zhu Zhu, Dao-Ling Huang & Lai-Sheng Wang

J. Chem. Phys. 147, 013910 (2017).

Photodetachment spectroscopy and resonant photoelectron imaging of cryogenically-cooled deprotonated 2-hydroxypyrimidine anions

Dao-Ling Huang, Guo-Zhu Zhu, Yuan Liu & Lai-Sheng Wang

J. Mol. Spectrosc. 332, 86−93 (2017).

Communication: Vibrationally-Resolved Photoelectron Spectroscopy of the Tetracyanoquinodimethane (TCNQ) Anion and Accurate Determination of the Electron Affinity of TCNQ.

Guo-Zhu Zhu & Lai-Sheng Wang

J. Chem. Phys. 143, 221102 (2015).

Probing the vibrational spectroscopy of the deprotonated thymine radical by photodetachment and state-selective autodetachment photoelectron spectroscopy via dipole-bound states

Dao-Ling Huang, Hong-Tao Liu, Chuan-Gang Ning, Guo-Zhu Zhu & Lai-Sheng Wang

Chem. Sci. 6, 3129−3138 (2015).

Communication: Observation of Dipole-Bound State and High-Resolution Photoelectron Imaging of Cold Acetate Anions.

Dao-Ling Huang, Guo-Zhu Zhu & Lai-Sheng Wang

J. Chem. Phys. 142, 091103 (2015).