click thumbnails to read papers
2026
Q. Zhou, A. Maertens, Z. Ye, J. Kim, S. Chakraborty, H. P. Q. Nguyen, G. G. D. Han*, and K. N. Houk*
55. Computational Exploration of Molecular Solar Thermal Energy Storage via Substituted Anthracene [4+4] Photodimerizations
Under Review
Q. Qiu, J. Usuba, W. L. Koay, V. J. O. Conrad, N. M.-W. Wu, S.-L. Zheng, V. X. Truong, and G. G. D. Han*
54. Visible Photon Energy Storage by [2+2] Cycloaddition of Pd-Oxazolones
Chem. Sci. 2026, Advance Article
Featured in 2025 Chemical Science HOT Article Collection
2025
B. A. Baker and G. G. D. Han*
53. Light-Driven Direct Air Capture of CO2
Nat. Chem. 2025, 17, 1630–1631.
H. Olsson, V. Tripathy, N. Yamamoto, J. Usuba, J. S. Leavitt, E. A. Kambas, K. L. VanDenburgh, K. Raghavachari, G. G. D. Han, B. W. Laursen, and A. H. Flood
52. Bambusuril Small-Molecule Ionic Isolation Lattices for Exciton Coupled Dimers and Dicationic Fluorophores
J. Am. Chem. Soc. 2025, 147, 37372–37384.
S. Chakraborty, W. S. R. Choudhuri, J. Usuba, Q. Qiu, C. Raju, and G. G. D. Han*
51. Curved Anthracenes for Visible-Light Photon Energy Storage via Dewar Isomerization
Chem 2025, 102660. Featured in C&EN Article
N. M.-W. Wu and G. G. D. Han*
50. Trimodal Eutectics: Unlocking High-Performance Thermal Batteries
Joule 2025, 9, 101890.
R. Evans, G. G. D. Han, T. Li, and H. A. Wegner
49. Molecular Photoswitches for Energy Storage
J. Mater. Chem. A 2025, 13, 29659-29660.
J. Im, C. Heaton, N. R. E. Putri, C. Liu, J. Usuba, K. Butler, M. Fay, G. G. D. Han, H. Hooshmand, A. Thompson, R. Wildman, R. Hague, L. Turyanska, and C. Tuck
48. On-demand Sintering of Gold Nanoparticles via Controlled Removal of o-Nitrobenzyl Thiol Ligands under Record-low Power for Conductive Patterns
Adv. Sci. 2025, 12, 2415496.
2024
Z. Sun, G. G. D. Han, and K. Schmidt-Rohr
47. Partially Cooperative Phase Conversions and Noninteger Avrami Exponents
J. Phys. Chem. C 2024, 128, 20765–20773.
H. P. Q. Nguyen, A. Mukherjee, J. Usuba, J. Wan, and G. G. D. Han*
46. Large and Long-Term Photon Energy Storage in Diazetidines via [2+2] Photocycloaddition
Chem. Sci. 2024, 15, 18846–18854.
C. Raju, H. P. Q. Nguyen, and G. G. D. Han*
45. Emerging Solid-State Cycloaddition Chemistry for Molecular Solar Thermal Energy Storage
Chem. Sci. 2024, 15, 17273–17283.
C. Raju, Z. Sun, R. Koibuchi, J. Y. Choi, S. Chakraborty, J. Park, H. Houjou*, K. Schmidt-Rohr*, and G. G. D. Han*
44. Elucidating the Mechanism of Solid-State Energy Release from Dianthracenes via Auto-Catalyzed Cycloreversion
J. Mater. Chem. A 2024, 12, 26678–26686.
J. Guo, A. Zia, Q. Qiu, M. Norton, K. Qiu, J. Usuba, Z. Liu, M. Yi, S. Rich-New, M. Hagan, S. Fraden, G. G. D. Han, J. Diao, F. Wang, and B. Xu
43. Cell-free Non-equilibrium Assembly for Hierarchical Protein/Peptide Nanopillars
J. Am. Chem. Soc. 2024, 146, 26102–26112.
S. Chakraborty,‡ H. P. Q. Nguyen,‡ J. Usuba, J. Y. Choi, Z. Sun, C. Raju, G. Sigelmann, Q. Qiu, S. Cho, S. M. Tenney, K. E. Shulenberger, K. Schmidt-Rohr, J. Park, and G. G. D. Han* (‡Equal Contributors)
42. Self-Activated Energy Release Cascade from Anthracene-Based Solid-State Molecular Solar Thermal Energy Storage Systems
Chem 2024, 10, 3309–3322.
Highlighted in Joule Preview Featured on the Cover
J. Usuba, Z. Sun, H. P. Q. Nguyen, C. Raju, K. Schmidt-Rohr, and G. G. D. Han*
41. Mechanoactivated Amorphization and Photopolymerization of Styryldipyryliums
Commun. Mater. 2024, 5, 98.
A. Gonzalez, Q. Qiu, J. Usuba, J. Wan, and G. G. D. Han*
40. Photoinduced Solid-Liquid Phase Transition and Energy Storage Enabled by the Design of Linked Double Photoswitches
ACS Mater. Au 2024, 4, 30–34.
2023
Q. Qiu, Q. Qi, J. Usuba, K. Lee, I. Aprahamian*, and G. G. D. Han*
39. Visible Light Activated Energy Storage in Solid-State Azo-BF2 Switches
Chem. Sci. 2023, 14, 11359–11364.
Featured in 2023 Chemical Science HOT Article Collection
S. Cho, J. Usuba, S. Chakraborty, X. Li, and G. G. D. Han*
38. Solid-State Photon Energy Storage via Reversible [2+2] Cycloaddition of Donor-Acceptor Styrylpyrylium System
Chem 2023, 9, 3159–3171.
Featured in Chemistry World, Royal Society of Chemistry
X. Li, S. Cho, J. Wan, and G. G. D. Han*
37. Photoswitches and Photochemical Reactions for Optically Controlled Phase Transition and Energy Storage
Chem 2023, 9, 2378–2389.
Q. Qiu, Z. Sun, D. Joubran, X. Li, J. Wan, K. Schmidt-Rohr, and G. G. D. Han*
36. Optically-controlled Recovery and Recycling of Homogeneous Organocatalysts Enabled by Photoswitches
Angew. Chem., Int. Ed. 2023, 62, e202300723
J. Usuba and G. G. D. Han*
35. Photoswitch Designs for Molecular Solar Thermal Energy Storage
Trends Chem. 2023, 5, 577–580.
X. Li, S. Cho, and G. G. D. Han*
34. Light-Responsive Solid-Solid Phase Change Materials for Photon and Thermal Energy Storage
ACS Mater. Au 2023, 3, 37–42.
Featured in 2022 Rising Stars in Materials Science Special Issue
2022
A. Gonzalez, M. Odaybat, M. Le, J. L. Greenfield, A. J. P. White, X. Li, M. J. Fuchter*, and G. G. D. Han*
33. Photo-Controlled Energy Storage in Azobispyrazoles with Exceptionally Large Light Penetration Depths
J. Am. Chem. Soc. 2022, 144, 19430–19436.
Q. Qiu, S. Yang, M. A. Gerkman, H. Fu, I. Aprahamian*, and G. G. D. Han*
32. Photon Energy Storage in Strained Cyclic Hydrazones: Emerging Molecular Solar Thermal Energy Storage Compounds
J. Am. Chem. Soc. 2022, 144, 12627–12631.
M. Le and G. G. D. Han*
31. Stimuli-Responsive Organic Phase Change Materials: Molecular Designs and Applications in Energy Storage
Acc. Mater. Res. 2022, 3, 634–643.
J. T. Hagan, A. Gonzalez, Y. Shi, G. G. D. Han*, and J. R. Dwyer*
30. Photoswitchable Binary Nanopore Conductance and Selective Electronic Detection of Single Biomolecules Under Wavelength and Voltage Polarity Control
ACS Nano 2022, 16, 5537–5544.
S. V. Kalinin, C. Ophus, P. Voyles, R. Erni, D. Kepaptsoglou, V. Grillo, A. R. Lupini, M. P. Oxley, E. Schwenker, M. K. Y. Chan, J. Etheridge, X. Li, G. G. D. Han, M. Ziatdinov, N. Shibata, and S. Pennycook
29. Machine Learning in Scanning Transmission Electron Microscopy
Nat. Rev. Methods Primers 2022, 2, 11.
2021
J. L. Greenfield, M. A. Gerkman, R. L. Gibson, G. G. D. Han*, and M. J. Fuchter*
28. Efficient Electrocatalytic Switching of Azoheteroarenes in the Condensed Phases
J. Am. Chem. Soc. 2021, 143, 15250–15257.
Q. Qiu, M. A. Gerkman, Y. Shi, and G. G. D. Han*
27. Design of Phase-Transition MOST Compounds: Compact Molecules with High Energy Densities
Chem. Commun. 2021, 57, 9458-9461.
Q. Qiu, Y. Shi, and G. G. D. Han*
26. Solar Energy Conversion and Storage by Photoswitchable Organic Materials in Solution, Liquid, Solid, and Changing Phases
J. Mater. Chem. C 2021, 9, 11444-11463.
Selected for 2021 Emerging Investigators Themed Issue
Y. Shi, M. A. Gerkman, Q. Qiu, S. Zhang, and G. G. D. Han*
25. Sunlight-Activated Phase Change Materials for Controlled Heat Storage and Triggered Release
J. Mater. Chem. A 2021, 9, 9798-9808.
2020
E. S. Kengmana, J. K. Lee, X. Li, J. H. Warner, and G. G. D. Han*
24. Self-Assembly of Bowlic Supramolecules on Graphene Imaged at the Individual Molecular Level using Heavy Atom Tagging
Small 2020, 16, 2002860.
M. A. Gerkman and G. G. D. Han*
23. Toward Controlled Thermal Energy Storage and Release in Organic Phase Change Materials
Joule 2020, 4, 1621-1625.
M. A. Gerkman, R. S. L. Gibson, J. Calbo, Y. Shi, M. J. Fuchter*, and G. G. D. Han*
22. Arylazopyrazoles for Long-Term Thermal Energy Storage and Optically-Triggered Heat Release below 0 °C
J. Am. Chem. Soc. 2020, 142, 8688-8695.
Featured in JACS Spotlight Highlighted by C&EN Article
X. Li, J. K. Lee, Y. Lu, M. A. Gerkman, E. S. Kengmana, M. V. Fonseca, J. H. Warner, and G. G. D. Han*
21. Precursor Design for High Density Single Pt Atom Sites on MoS2: Enhanced Stability at Elevated Temperatures and Reduced 3D Clustering
Chem. Mater. 2020, 32, 2541-2551.
A. Gonzalez, E. S. Kengmana, M. V. Fonseca, and G. G. D. Han*
20. Solid-State Photoswitching Molecules: Structural Design for Isomerization in Condensed Phase
Mater. Today Adv. 2020, 6, 100058.
M. A. Gerkman, J. K. Lee, X. Li, Q. Zhang, M. Windley, M. V. Fonseca, Y. Lu, J. H. Warner, and G. G. D. Han*
19. Direct Imaging of Individual Molecular Binding to Clean Nanopore Edges in 2D Monolayer MoS2
ACS Nano 2020, 14, 153–165.
Highlighted by ACS Nano In Nano
2019
M. A. Gerkman, S. Yuan, P. Duan, J. Taufan, K. Schmidt-Rohr, and G. G. D. Han*
18. Phase Transition of Spiropyrans: Impact of Isomerization Dynamics at High Temperatures
Chem. Commun. 2019, 55, 5813-5816.
J. K. Lee, I. Bulut, M. Rickhaus, Y. Sheng, X. Li, G. G. D. Han, G. A. D. Briggs, H. L. Anderson, and J. H. Warner
17. Metal Atom Markers for Imaging Epitaxial Molecular Self-Assembly on Graphene by Scanning Transmission Electron Microscopy
ACS Nano 2019, 13, 7252-7260.
S. Fang, Y. Wen, C. S. Allen, C. Ophus, G. G. D. Han, A. I. Kirkland, E. Kaxiras, and J. H. Warner
16. Atomic Electrostatic Maps of 1D Channels in 2D Semiconductors using 4D Scanning Transmission Electron Microscopy
Nat. Commun. 2019, 10, 1127.
Before Independent Career
C.-C. A. Voll, G. Markopoulos, T. C. Wu, M. Welborn, J. U. Engelhart, S. Rochat, G. G. D. Han, G. T. Sazama, T.-A. Lin, T. Van Voorhis, M. A. Baldo, and T. M. Swager
14. Lock-and-Key Exciplexes for Thermally Activated Delayed Fluorescence
Organic Materials 2020, 2, 1-10.
G. G. D. Han, J. H. Deru, E. N. Cho, and J. C. Grossman
13. Optically Regulated Thermal Energy Storage in Diverse Organic Phase-Change Materials
Chem. Commun. 2018, 54, 10722–10725. Featured in MIT News, MIT Energy Futures, Phys.org
G. G. D. Han, B. Smith, W. Xu, J. H. Warner, and J. C. Grossman
12. Nanoporous Silicon-Assisted Patterning of Monolayer MoS2 with Thermally Controlled Porosity: A Scalable Method for Diverse Applications
ACS Appl. Nano Mater. 2018, 1, 3548–3556.
G. G. D. Han, H. Li, and J. C. Grossman
11. Optically-Controlled Long-Term Storage and Release of Thermal Energy in Phase-Change Materials
Nat. Commun. 2017, 8, 1446. Featured in MIT News, Materials Today, The Optical Society
G. G. D. Han, K.-H. Tu, F. Niroui, W. Xu, S. Zhou, X. Wang, V. Bulović, C. A. Ross, J. H. Warner, and J. C. Grossman
10. Photoluminescent Arrays of Nano-Patterned Monolayer MoS2
Adv. Funct. Mater. 2017, 27, 1703688.
S. Wang, H. Sawada, Q. Chen, G. G. D. Han, C. S. Allen, A. I. Kirkland, and J. H. Warner
9. In Situ Atomic-Scale Studies of the Formation of Epitaxial Pt Nanocrystals on Monolayer Molybdenum Disulfide
ACS Nano 2017, 11, 9057-9067.
H. Li, S. Wang, H. Sawada, G. G. D. Han, T. Samuels, C. S. Allen, A. I. Kirkland, J. C. Grossman, and J. H. Warner
8. Atomic Structure and Dynamics of Single Pt Atom Interactions with Monolayer MoS2
ACS Nano 2017, 11, 3392-3403.
E. N. Cho, D. Zhitomirsky, G. G. D. Han, Y. Liu, and J. C. Grossman
7. Molecularly Engineered Azobenzene Derivatives for High Energy Density Solid-State Solar Thermal Fuels
ACS Appl. Mater. Interfaces 2017, 9, 8679-8687.
G. D. Han, S. S. Park, Y. Liu, D. Zhitomirsky, E. Cho, M. Dincă, and J. C. Grossman
6. Photon Energy Storage Materials with High Energy Densities Based on Diacetylene–Azobenzene Derivatives
J. Mater. Chem. A 2016, 4, 16157-16165.
S. Chang, G. D. Han, J. G. Weis, H. Park, O. Hentz, Z. Zhao, T. M. Swager, and S. Gradečak
5. Transition Metal-Oxide Free Perovskite Solar Cells Enabled by a New Organic Charge Transport Layer
ACS Appl. Mater. Interfaces 2016, 8, 8511-8519.
G. D. Han, A. Maurano, J. G. Weis, V. Bulović, and T. M. Swager
4. VOC Enhancement in Polymer Solar Cells with Isobenzofulvene–C60 Adducts
Org. Electron. 2016, 31, 48-55.
D. den Boer, G. D. Han, and T. M. Swager
3. Templating Fullerenes by Domain Boundaries of a Nanoporous Network
Langmuir 2014, 30, 762-767.
G. D. Han, W. R. Collins, T. L. Andrew, V. Bulović, and T. M. Swager
2. Cyclobutadiene–C60 Adducts: N-Type Materials for Organic Photovoltaic Cells with High VOC
Adv. Funct. Mater. 2013, 23, 3061-3069.
V. Colombo, S. Galli, H. J. Choi, G. D. Han, A. Maspero, G. Palmisano, N. Masciocchi and J. R. Long
1. High Thermal and Chemical Stability in Pyrazolate-Bridged Metal–Organic Frameworks with Exposed Metal Sites
Chem. Sci. 2011, 2, 1311-1319.
Han Group at UCSB 