Oki Gunawan - Publications, H-index & Citations

Oki Gunawan

international business machines (ibm)

56H指数

168论文数

1.9W被引数

收录论文 70

发表时间

Electronic trap detection with carrier-resolved photo-Hall effect

SCIENCE ADVANCES

IF12.5

2026-01-01

PREAI

Gunawan, Oki; Kim, Chaeyoun; Nainggolan, Bonfilio; Lee, Minyeul; Shin, Jonghwa; Kim, Dong Suk; Jo, Yimhyun; Kim, Minjin; Euvrard, Julie; Bishop, Douglas; Libsch, Frank; Todorov, Teodor; Kim, Yunna; Shin, Byungha

Giant persistent photoconductivity at room temperature in Sn-based perovskites

APPLIED PHYSICS LETTERS

IF3.6

2025-02-12

PREAI

Euvrard, Julie; Pournia, Sadaf; Gunawan, Oki; Mitzi, David B.

From Amorphous to Polycrystalline Rubrene: Charge Transport in Organic Semiconductors Paralleled with Silicon 从非晶到多晶Rubrene: 与硅平行的有机半导体中的电荷传输

ADVANCED FUNCTIONAL MATERIALS

IF19

2022-10-09

OAAI

Euvrard, Julie; Gunawan, Oki; Kahn, Antoine; Rand, Barry P.

Influence of Copper Composition on Cu2BaSn(S,Se)4 Solution- Deposited Films and Photovoltaic Devices with Over 5% Efficiency 铜成分对Cu2BaSn(S，Se)4溶液沉积膜和效率超过5% 的光伏器件的影响

ACS APPLIED ENERGY MATERIALS

IF5.5

2022-08-23

PREAI

Teymur, Betul; Choubrac, Leo; Hempel, Hannes; Gunawan, Oki; Unold, Thomas; Mitzi, David B.

Optoelectronic property comparison for isostructural Cu2BaGeSe4 and Cu2BaSnS4 solar absorbers

JOURNAL OF MATERIALS CHEMISTRY A

IF9.5

2021-01-01

OAAI

Kim, Yongshin; Hempel, Hannes; Levcenco, Sergiu; Euvrard, Julie; Bergmann, Eric; Gunawan, Oki; Unold, Thomas; Hill, Ian G.; Mitzi, David B.

Dust-Sized High-Power-Density Photovoltaic Cells on Si and SOI Substrates for Wafer-Level-Packaged Small Edge Computers

ADVANCED MATERIALS

IF26.8

2020-10-23

PREAI

Li, Ning; Han, Kevin; Spratt, William; Bedell, Stephen; Ren, Jinhan; Gunawan, Oki; Ott, John; Hopstaken, Marinus; Cabral, Cyril, Jr.; Libsch, Frank; Subramanian, Chitra; Shahidi, Ghavam; Sadana, Devendra

Flexible CIGS, CdTe and a-Si:H based thin film solar cells: A review

PROGRESS IN MATERIALS SCIENCE

IF40

2020-05-01

306

PREAI

Ramanujam, Jeyakumar; Bishop, Douglas M.; Todorov, Teodor K.; Gunawan, Oki; Rath, Jatin; Nekovei, Reza; Artegiani, Elisa; Romeo, Alessandro

Magnetic-tip trap system

PHYSICAL REVIEW RESEARCH

IF4.2

2020-03-23

OAAI

Gunawan, Oki; Kristiano, Jason; Kwee, Hendra

Comparing the Effect of Mn Substitution in Sulfide and Sulfoselenide-Based Kesterite Solar Cells

SOLAR RRL

IF4.7

2020-01-24

OAAI

Lie, Stener; Li, Wenjie; Leow, Shin Woei; Bishop, Douglas M.; Gunawan, Oki; Wong, Lydia Helena

Impact of PbI2 Passivation and Grain Size Engineering in CH3NH3PbI3 Solar Absorbers as Revealed by Carrier-Resolved Photo-Hall Technique 载流子分辨光霍尔技术揭示了CH3NH3PbI3太阳能吸收器中PbI2钝化和晶粒尺寸工程的影响

ADVANCED ENERGY MATERIALS

IF26

2019-11-12

PREAI

Euvrard, Julie; Gunawan, Oki; Mitzi, David B.

The electrical and optical properties of kesterites

JOURNAL OF PHYSICS-ENERGY

IF6.3

2019-08-21

OAAI

Grossberg, Maarja; Krustok, Juri; Hages, Charles J.; Bishop, Douglas M.; Gunawan, Oki; Scheer, Roland; Lyam, Samantha M.; Hempel, Hannes; Levcenco, Sergiu; Unold, Thomas

Improving Carrier-Transport Properties of CZTS by Mg Incorporation with Spray Pyrolysis 通过喷雾热解掺入Mg改善CZTS的载流子传输性能

ACS APPLIED MATERIALS & INTERFACES

IF8.2

2019-06-28

OAAI

Lie, Stener; Leow, Shin Woei; Bishop, Douglas M.; Guc, Maxim; Izquierdo-Roca, Victor; Gunawan, Oki; Wong, Lydia Helena

Improving the charge separation and collection at the buffer/absorber interface by double-layered Mn-substituted CZTS

SOLAR ENERGY MATERIALS AND SOLAR CELLS

IF6.3

2018-10-01

PREAI

Lie, Stener; Sandi, Mario Indra; Tay, Ying Fan; Li, Wenjie; Tan, Joel Ming Rui; Bishop, Douglas M.; Gunawan, Oki; Wong, Lydia Helena

Reducing the interfacial defect density of CZTSSe solar cells by Mn substitution

JOURNAL OF MATERIALS CHEMISTRY A

IF9.5

2018-01-01

PREAI

Lie, Stener; Tan, Joel Ming Rui; Li, Wenjie; Leow, Shin Woei; Tay, Ying Fan; Bishop, Douglas M.; Gunawan, Oki; Wong, Lydia Helena

Preparation of single-phase SnSe thin-films and modification of electrical properties via stoichiometry control for photovoltaic application

JOURNAL OF ALLOYS AND COMPOUNDS

IF6.3

2017-10-01

PREAI

Jeong, Giuk; Kim, Jekyung; Gunawan, Oki; Pae, Seong Ryul; Kim, Soo Hyun; Song, Jae Yong; Lee, Yun Seog; Shin, Byungha

Ultrathin high band gap solar cells with improved efficiencies from the world's oldest photovoltaic material 采用世界上最古老的光伏材料提高效率的超薄高带隙太阳能电池

NATURE COMMUNICATIONS

IF15.7

2017-09-25

108

OAAI

Todorov, Teodor K.; Singh, Saurabh; Bishop, Douglas M.; Gunawan, Oki; Lee, Yun Seog; Gershon, Talia S.; Brew, Kevin W.; Antunez, Priscilla D.; Haight, Richard

Back Contact Engineering for Increased Performance in Kesterite Solar Cells

ADVANCED ENERGY MATERIALS

IF26

2017-05-02

OAAI

Antunez, Priscilla D.; Bishop, Douglas M.; Lee, Yun Seog; Gokmen, Tayfun; Gunawan, Oki; Gershon, Talia S.; Todorov, Teodor K.; Singh, Saurabh; Haight, Richard

Earth-Abundant Chalcogenide Photovoltaic Devices with over 5% Efficiency Based on a Cu2BaSn(S,Se)4 Absorber 基于Cu2BaSn(S，Se)4吸收剂的具有超过5% 效率的地球丰富的硫属化物光伏器件

ADVANCED MATERIALS

IF26.8

2017-04-20

279

PREAI

Shin, Donghyeop; Zhu, Tong; Huang, Xuan; Gunawan, Oki; Blum, Volker; Mitzi, David B.

Unconventional kesterites: The quest to reduce band tailing in CZTSSe

CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY

IF9.4

2017-04-01

OAAI

Gershon, Talia; Bishop, Doug; Antunez, Priscilla; Singh, Saurabh; Brew, Kevin W.; Lee, Yun Seog; Gunawan, Oki; Gokmen, Tayfun; Todorov, Teodor; Haight, Richard

Compositional effects in Ag2ZnSnSe4 thin films and photovoltaic devices

ACTA MATERIALIA

IF9.3

2017-03-01

PREAI

Gershon, Talia; Sardashti, Kasra; Lee, Yun Seog; Gunawan, Oki; Singh, Saurabh; Bishop, Douglas; Kummel, Andrew C.; Haight, Richard

研究方向