. The Ma Group
Research
The Ma Profile

Biwu Ma, Ph.D.

Professor
Department of Chemistry & Biochemistry
Materials Science Program (Affiliated)
Florida State University
Latest News
April 3, 2021, Maya Chaaban was selected as the recipient of the outstanding inorganic chemistry graduate student award of the year 2021. Congratulations!
March 29, 2021, Dr. Michael Worku sucessfully defended his dissertation "Metal Halide Perovskites and Perovskite-Related Hybrids fro Blue and White Light-Emitting Diodes". Congratulations!
Nov 27, 2020, Our work “Highly Efficient and Stable Perovskite Solar Cells Enabled by Low‐Cost Industrial Organic Pigment Coating” has been published in Angewandte Chemie International Edition.
October 07, 2020, Our work “Metal Halide Regulated Photophysical Tuning of Zero‐Dimensional Organic Metal Halide Hybrids: From Efficient Phosphorescence to Ultralong Afterglow” has been published in Angewandte Chemie International Edition.
September 24, 2020, Our work “Phase Control and In Situ Passivation of Quasi-2D Metal Halide Perovskites for Spectrally Stable Blue Light-Emitting Diodes” has been published in ACS Applied Materials and Interfaces.
September 16, 2020, Our work “Mechanochemical Synthesis of Zero Dimensional Organic‐Inorganic Metal Halide Hybrids” has been published in ChemPhotoChem.
August 31, 2020, Our work “Thiazol-2-thiolate-Bridged Binuclear Platinum(II) Complexes with High Photoluminescence Quantum Efficiencies of up to Near Unity” has been published in Inorgainc Chemistry.
August 28, 2020, Our work “Highly Efficient Eco-friendly X-Ray Scintillators Based on An Organic Manganese Halide” has been published in Nature Communiations. FSU has a report about our work, which has also been cited in a number of News, including Phys.org, ScienceDaily, etc.
June 8, 2020, Our work “Multicomponent Organic Metal Halide Hybrid with White Emissions” has been published in Angewandte Chemie International Edition.
May 5, 2020, Our work “0D and 2D: The Cases of Phenylethylammonium Tin Bromide Hybrids” has been published in Chemistry of Materials.
May 1, 2020, Our work “Highly Stable Organic Antimony Halide Crystals for X-ray Scintillation” has been published in ACS Materials Letters.
April 24, 2020, our work “Hollow metal halide perovskite nanocrystals with efficient blue emissions” has been published in Science Advances. FSU has a report about our work, which has also been cited in a number of News, including Phys.org, ScienceDaily, etc.
March 06, 2020, Our work “Bulk Assembly of Multicomponent Zero-Dimensional Metal Halides with Dual Emission” has been published in ACS Materials Letters.
January 30, 2020, Our invited review “Optically Pumped White Light-Emitting Diodes Based on Metal Halide Perovskites and Perovskite-Related Materials” has been published in APL Materials.
January 10, 2020, Back to Back, Our work on perovkite solar cells “Facile Formation of 2D–3D Heterojunctions on Perovskite Thin Film Surfaces for Efficient Solar Cells” and “Surface passivation of perovskite thin films by phosphonium halides for efficient and stable solar cells” have been published in ACS Applied Materials and Interfaces and Journal of Materials Chemistry A, respectively.
November 01, 2019, Three new graduate students, Anna Plaviak, He Liu, and Tunde Shonde joined the group. Welcome!
October 26, 2019, Our work “Bulk Assembly of Zero-Dimensional Organic Lead Bromide Hybrid with Efficient Blue Emission” has been published in ACS Materials Letters.
September 20, 2019, Back to Back, Our work “Ligand-Mediated Release of Halides for Color Tuning of Perovskite Nanocrystals with Enhanced Stability” and “Highly Emissive and Stable Organic–Perovskite Nanocomposite Thin Films with Phosphonium Passivation” have been published in Journal of Physical Chemistry Letters.
June 11, 2019, Our work “Green Emitting Single-Crystalline Bulk Assembly of Metal Halide Clusters with Near-Unity Photoluminescence Quantum Efficiency” has been published in ACS Energy Letters.
June 10, 2019, Dr. Chenkun Zhou sucessfully defended his dissertation "Synthetic Control of Excited State Dynamics in Low Dimensional Metal Halide Hybrids". Congratulations!
April 24, 2019, Our review article “Platinum(II) binuclear complexes: molecular structures, photophysical properties, and applications” has been published in Journal of Materials Chemistry C.
April 12, 2019, Graduate Student Michael Worku won the 1st prize of the Jim Brooks Graduate Student Award. Congratulations!
March 6, 2019, Graduate Student Chenkun Zhou has been selected to receive one of the 2019 Graduate Student Research and Creativity Awards. Congratulations!
January, 2019, Our work “Bulk Assembly of Corrugated 1D Metal Halides with Broadband Yellow Emission” has been published in Advanced Optical Materials.
December 20, 2018, Our invited review article “Low dimensional metal halide perovskites and hybrids” has been published in Materials Science and Engineering: R: Reports.
November 7, 2018, First year graduate stduent Azza Akacha joined the group. Azza obatined B.S. of Chemistry and M.S. of Solid-State Chemistry at the Faculty of Science of Tunis in 2016 and 2018.
October 10, 2018, Three new members joined the group, Dr. Qingquan He (Ph.D. in Chemistry, Shanghai Jiao Tong University) and Dr. Liangjin Xu (Ph.D. in Chemistry, Chinese Academy of Sciences) as postdoctoral fellows, and Heng Zhang (M.S., Taiyuan University of Technology) as an visiting student.
September 19, 2018, our work “Blue Emitting Single Crystalline Assembly of Metal Halide Clusters” has been published in JACS.
Augst 28, 2018, our work “Sunlike White-Light-Emitting Diodes Based on Zero-Dimensional Organic Metal Halide Hybrids” has been published in ACS Applied Materials and Interfaces.
July 24, 2018, our invited overview “Organic–inorganic metal halide hybrids beyond perovskites” has been published in Materials Research Letters.
May 23, 2018, our collaborative work with Prof. Angang Dong at Fudan University and Dr. Mao-Hua Du at ORNL “A One-Dimensional Organic Lead Chloride Hybrid with Excitation-Dependent Broadband Emissions” has been published in ACS Energy Letters.
May 7, 2018, Ella Berkwits and William Fowler joined our group as undergraduate research assistants.
April 20, 2018, Yu Tian, first graduate student of the group at FSU, defended his doctoral desseration.
April 11, 2018, our collaborative work with Dr. Yingzhong Ma at ORNL “Direct Evidence of Exciton–Exciton Annihilation in Single-Crystalline Organic Metal Halide Nanotube Assemblies” has been published in the Journal of Physical Chemistry Letters.
April 1, 2018, our work “Highly Efficient Spectrally Stable Red Perovskite Light Emitting Diodes” has been published in Advanced Materials.
Mar 12, 2018, our work “Facile Preparation of Light Emitting Organic Metal Halide Crystals with Near-Unity Quantum Efficiency” has been published in Chemistry of Materials.
Jan 19, 2018, our work “Luminescent Zero-Dimensional Organic Metal Halide Hybrids with Near-Unity Quantum Efficiency” has been selected as cover story of Chemical Science, Issue 3, 2018.
December 15, 2017, Sujin Lee joined the group as a Ph.D. student from the Department of Chemical and Biomedical Engineering. Sujin received her B.S. in Chemistry from Sungshin Women’s University and M.S. in Chemical Engineering from Kyung Hee University.
December 07, 2017, our work “A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission” has been published in Angewandte Chemie International Edition.
December 05, 2017, our work “A Highly Efficient Broadband Yellow Phosphor Based on Zero-Dimensional Tin Mixed-Halide Perovskite” has been published in ACS Applied Materials & Interfaces.
November 29, 2017, our Perspective “Low-Dimensional Organometal Halide Perovskites” has been published in ACS Energy Letters, which has also been selected as an ACS Editors' Choice paper.
November 21, 2017, our work “Luminescent Zero-Dimensional Organic Metal Halide Hybrids with Near-Unity Quantum Efficiency” has been published in Chemical Science.
November 1 2017, Maya Chaaban joined the group as a Ph.D. student from the Department of Chemistry and Biochemistry. Maya received her B.S. in Chemistry from Lebanese University, M.S. in Industrial Chemical Analysis from Lebanese University, and the second M.S. in Inorganic Chemistry from American University of Beirut.
October 30, 2017, our work “Manganese-Doped One-Dimensional Organic Lead Bromide Perovskites with Bright White Emissions” has been accepted for publication in ACS Applied Materials and Interfaces.
October 18, 2017, our collaborative work with Dr. Yingzhong Ma at ORNL, “Solvent Effect on the Photoinduced Structural Change of a Phosphorescent Molecular Butterfly”, has been accepted for publication in Chemistry-A European Journal
October 16, 2017, our work “Bulk Assembly of Organic Metal Halide Nanotubes” has been accepted for publication in Chemical Science
July 06, 2017, our work “Low-Dimensional Organic Tin Bromide Perovskites and Their Photoinduced Structural Transformation” has been published in Angewandte Chemie International Edition. FSU has a news story about our work, which has also been mentioned in a number medias, including Phys.org, Follownews, etc.
June 26, 2017, Prof. Biwu Ma has been awarded another three year NSF grant entitled "Low Dimensional Organometal Halide Perovskites" for a total of $428,650.
June 13, 2017, Prof. Biwu Ma has been awarded a three year NSF grant entitled "Multi-Excited-State Phosphorescent Molecules With Photoinduced Structural Changes" for a total of $363,682.
January 30, 2017, Dr. Haoran Lin joined the group as a Postdoc Research Fellow. Dr. Lin received B.S. from Peking University in 2012 and Ph.D. from the Hong Kong University of Science and Technology in 2017.
January 12, 2017, our paper with Dr. Haibo Zeng's group "Two-Dimensional Metal Halide Perovskites: Theory, Synthesis, and Optoelectronics" has been published in Small Methods.
January 04, 2017, our work "One-dimensional organic lead halide perovskites with efficient bluish white-light emission" has been published in Nature Communications. FSU has a news story about our work, which has also been mentioned in a number medias, including Phys.org, EurekAlert, etc. .
September 26, 2016, our work "A Microscale Perovskite as Single Component Broadband Phosphor for Downconversion White-Light-Emitting Devices" has been published in Advanced Optical Materials.
August 08, 2016, our work "Phosphorescent Molecular Butterflies with Controlled Potential-Energy Surfaces and Their Application as Luminescent Viscosity Sensor" has been published in Inorganic Chemistry.
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