DHRUBA B KHADKA

Profile Information

Researcher number: 70793173
J-GLOBAL ID: 201801007545280607
researchmap Member ID: B000346373

External link: https://samurai.nims.go.jp/profiles/khadka_b_dhruba

Research Interests

Research Areas

Research History

Dec, 2019 - Present

Staff Scientist, Photovoltaic Materials Group, National Institute for Materials Science (NIMS), Japan
Aug, 2017 - Nov, 2019

ICYS Research Fellow, International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), Japan
Mar, 2016 - Aug, 2017

Post Doctoral Fellow, GREEN, National Institute for Materials Science (NIMS), Japan
Mar, 2012 - Mar, 2016

Graduate Research Assistant (Ph. D. Scholar), Department of Physics, Incheon National University, Incheon, South Korea

Education

Mar, 2012 - Mar, 2016

Ph. D., Department of Physics, Incheon National University, Incheon, South Korea

Awards

Jun, 2023

Best Poster award, Modulating Efficiency and Stability of MA/Br-free Halide Perovskite Solar cells Using Fluoroarence Hydrazine, IEEE PVSC-50, 2023

Dhruba B. Khadka
Apr, 2020

President Award for Advances in Science and Technology for Young Scientists, National Institute for Materials Science, Japan

Dhruba B, KHADKA
Jun, 2017

GREEN Prize-2017, Award of Innovation, GREEN, National Institute for Materials Science

DHRUBA B. KHADKA
Feb, 2015

Poster Award, Japan-Korean Joint WorkShop-2015, Miyazaki University, Miyazaki, Japan

DHRUBA B. KHADKA

Papers

Defect passivation in methylammonium/bromine free inverted perovskite solar cells using charge-modulated molecular bonding

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Hitoshi Ota, Andrey Lyalin, Tetsuya Taketsugu, Kenjiro Miyano

Nature Communications, Jan 29, 2024 Peer-reviewedLead authorCorresponding author
Advancing Efficiency and Stability of Lead, Tin, and Lead/Tin Perovskite Solar Cells: Strategies and Perspectives

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, James W. Ryan, Zhaoning Song, Bobby G. Barker, Tara P. Dhakal, Kenjiro Miyano

Solar RRL, Nov, 2023 Peer-reviewedInvitedLead authorCorresponding author
Surface modification of sputtered NiOx hole transport layer for CH3NH3PbI3 perovskite solar cells

Masatoshi Yanagida, Tensho Nakamura, Tsukasa Yoshida, Dhruba B. Khadka, Yasuhiro Shirai, Kenjiro Miyano

Japanese Journal of Applied Physics, Aug 1, 2023 Peer-reviewed
Alleviating Defect and Oxidation in Tin Perovskite Solar Cells Using a Bidentate Ligand

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Terumasa Tadano, Kenjiro Miyano

Chemistry of Materials, 35(11) 4250-4258, Jun 13, 2023 Peer-reviewedLead authorCorresponding author
Analysis of Iodide Transport on Methyl Ammonium Lead Iodide Perovskite Solar Cell Structure Through Operando Hard X-ray Photoelectron Spectroscopy

Ibrahima Gueye, Yasuhiro Shirai, Takahiro Nagata, Takashi Tsuchiya, Dhruba B. Khadka, Masatoshi Yanagida, Okkyun Seo, Kenjiro Miyano, Osami Sakata

Chemistry of Materials, 35(5) 1948-1960, Feb 22, 2023 Peer-reviewed
Interfacial Embedding for High‐Efficiency and Stable Methylammonium‐Free Perovskite Solar Cells with Fluoroarene Hydrazine

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Terumasa Tadano, Kenjiro Miyano

Advanced Energy Materials, 12(38) 2202029-2202029, Oct, 2022 Peer-reviewedLead authorCorresponding author
Effect of surface treatment of sputtered nickel oxide in inverted perovskite solar cells

Muthu Gomathy M. Pandian, Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Saeko Kitamine, Amira R.M. Alghamdi, Shanthi Subashchandran, Kenjiro Miyano

Thin Solid Films, 760 139486-139486, Oct, 2022 Peer-reviewedLead authorCorresponding author
Analysis of degradation kinetics of halide perovskite solar cells induced by light and heat stress

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Koichiro Uto, Kenjiro Miyano

Solar Energy Materials and Solar Cells, 246 111899-111899, Oct, 2022 Peer-reviewedLead authorCorresponding author
Pseudohalide Functional Additives in Tin Halide Perovskite for Efficient and Stable Pb-Free Perovskite Solar Cells

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Kenjiro Miyano

ACS Applied Energy Materials, 4(11) 12819-12826, Nov 22, 2021 Peer-reviewedLead authorCorresponding author
Insights into Accelerated Degradation of Perovskite Solar Cells under Continuous Illumination Driven by Thermal Stress and Interfacial Junction

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Kenjiro Miyano

ACS Applied Energy Materials, 4(10) 11121-11132, Oct 14, 2021 Peer-reviewedLead authorCorresponding author
Chemical and Electronic Investigation of Buried NiO1−δ, PCBM, and PTAA/MAPbI3–xClx Interfaces Using Hard X-ray Photoelectron Spectroscopy and Transmission Electron Microscopy

Ibrahima Gueye, Yasuhiro Shirai, Dhruba B. Khadka, Okkyun Seo, Satoshi Hiroi, Masatoshi Yanagida, Kenjiro Miyano, Osami Sakata

ACS Applied Materials & Interfaces, 13(42) 50481-50490, Oct 13, 2021 Peer-reviewed
Unraveling Accelerated Degradation of Perovskite Solar Cells under Continuous Illumination Driven by Thermal Stress

DHRUBA KHADKA, Yasuhiro SHIRAI, Masatoshi YANAGIDA, Kenjiro MIYANO

Proceedings of the nanoGe Fall Meeting 2021, Sep 23, 2021 Peer-reviewedLead authorCorresponding author
A-site tailoring in the vacancy-ordered double perovskite semiconductor Cs2SnI6 for photovoltaic application

Shodruz T. Umedov, Dhruba B. Khadka, Masatoshi Yanagida, Anastasia Grigorieva, Yasuhiro Shirai

Solar Energy Materials and Solar Cells, 230 111180-111180, Sep, 2021 Peer-reviewedCorresponding author
Ammoniated aqueous precursor ink processed copper iodide as hole transport layer for inverted planar perovskite solar cells

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Kenjiro Miyano

Solar Energy Materials and Solar Cells, 210 110486-110486, Jun, 2020 Peer-reviewedLead authorCorresponding author
Passivation of the Recombination Activities with Rubidium incorporation for Efficient and Stable Sn-HaP Solar Cells

Dhruba B. Khadka, Yashihiro Shirai, Masatoshi Yanagida, Kenjiro Miyano

2020 47TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 113-116, 2020
Effect of solvent vapour annealing on bismuth triiodide film for photovoltaic applications and its optoelectronic properties

Muthu G. M. Pandian, Dhruba B. Khadka, Yasuhiro Shirai, Shodruz Umedov, Masatoshi Yanagida, Shanthi Subashchandran, Anastasia Grigorieva, Kenjiro Miyano

Journal of Materials Chemistry C, 8(35) 12173-12180, 2020 Peer-reviewedLead authorCorresponding author
Photoinduced ion-redistribution in CH3NH3PbI3 perovskite solar cells

Masatoshi Yanagida, Yasuhiro Shirai, Dhruba B. Khadka, Kenjiro Miyano

Physical Chemistry Chemical Physics, 22(43) 25118-25125, 2020 Peer-reviewed
Attenuating the defect activities with a rubidium additive for efficient and stable Sn-based halide perovskite solar cells

Dhruba B. Khadka, Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Kenjiro Miyano

Journal of Materials Chemistry C, 8(7) 2307-2313, 2020 Peer-reviewedLead authorCorresponding author
Aqueous Solution Processed Copper Iodide as Hole Transport Material For Planar Inverted Perovskite Solar Cells

Dhruba B. Khadka

2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), Jun, 2019 Peer-reviewedLead authorCorresponding author
Unraveling the Impacts Induced by Organic and Inorganic Hole Transport Layers in Inverted Halide Perovskite Solar Cells

Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Kenjiro Miyano

ACS Applied Materials & Interfaces, 11(7) 7055-7065, Feb, 2019 Peer-reviewedLead authorCorresponding author

Presentations

Attenuating Defects for Efficient and Stable Tin-based Perovskite Solar Cells with Hydrazide Functional Additives

DHRUBA, B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

33rd International Photovoltaic Science and Engineering Conference (PVSEC-33), Nov 17, 2022
Degradation Kinetics of Perovskite Solar Cells under Accelerated Aging

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

The Japan Photovoltaic Society-2022
Investigation of Degradation Kinetics of Perovskite Solar Cells by Accelerated Aging

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

49th IEEE Photovoltaic Specialists Conference (PVSC 49), Jun 5, 2022
Effect of Phenethylammonium Thiocyanate Additive in Tin Perovskite for Efficient and Stable Pb-free Perovskite Solar Cells

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

49th IEEE Photovoltaic Specialists Conference (PVSC49) https://ieee-pvsc.org/PVSC49/index.php, 2022
Phenethylammonium Thiocyanate Additive in Tin Perovskite for Efficient and Stable Pb-free Perovskite Solar Cells

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

2022年第69回応用物理学会春季学術講演会, Mar 22, 2022
Unraveling Accelerated Degradation of Perovskite Solar Cells under Continuous Illumination Driven by Thermal Stress

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

nanoGe Fall Meeting 2021/https://www.nanoge.org/NFM21/home, Oct 18, 2021
Insights into Accelerated Degradation of Perovskite Solar Cells Driven by Light and Heat Stress

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

ANPA Conference 2021/https://anpaglobal.org/conferences-and-events/anpa-conference-2021/, Jul 16, 2021 Invited
Passivation of the Recombination Activities with Rubidium incorporation for Efficient and Stable Sn-HaP Solar Cells

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

IEEE PVSC47, Jun 15, 2020
Mitigation of the Recombination Activities with Rubidium incorporation for Efficient and Stable FASnI3 Solar Cells

DHRUBA B., KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP20), Jan 20, 2020
Exploring the Effect Induced by Hole Transport Layers in Inverted Halide Perovskite Solar Cells

DHRUBA B, KHADKADHRUBA, B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP)-2019, Jan 27, 2019
Investigation of Bismuth Based Perovskite Thin Film for Solar Cell Application

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

2018 MRS Fall Meeting & Exhibit Boston, Nov 26, 2018
Alkyl Chain Substituted Fullerene Derivatives as Cathode Buffer Layer for Perovskite Solar Cells

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

. Meeting of Division of Colloid and Surface Chemistry. 2018, Sep 18, 2018
Exploring the Recombination Mechanism Induced by Carrier Transport Layers in Perovskite Solar Cells

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

WCPEC-7, Jun 10, 2018
Exploring the Degradation Mechanism of Perovskite Solar Cells by Optoelectronic Characterizations

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

MANA International Symposium 2018, Mar 5, 2018
Efficient Wide Bandgap Mixed Halide Perovskite Solar Cells Tuning with Electron Transport Layers

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

AP-HOPV18, Feb 28, 2018
Degradation of Encapsulated Perovskite Solar Cells Driven by Deep Trap States and Interfacial Deterioration

DHRUBA B. KHADKA

2017 MRS Fall Meeting & Exhibit - Materials Research Society, Nov 26, 2017
Investigation of the Effect of Interfacial Transport Layer on Perovskite Solar Cells by Optoelectronic Approach

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

EU PVSEC 2017, Sep 25, 2017
Impact on optoelectronic properties and device performance of perovskite devices prepared via annealing in MACl vapor

DHRUBA B. KHADKA, SHIRAI, Yasuhiro, YANAGIDA, Masatoshi, MIYANO, Kenjiro

2017 MRS Spring Meeting & Exhibit - Materials Research Society, Apr 17, 2017
Ge-alloyed CZTS thin film solar cells fabricated by solution approach

D. B. Khadka, J. H. Kim

The Korean Physical Society, KPS-2015, Republic of Korea, Apr 22, 2015
Fabrication of Cu2ZnSnSe4 Solar Cells Using Spray Pyrolysis

Dhruba B. Khadka, S. Y. Kim, J. H. K

, European Photovoltaic Solar Cell Conference, EUPVSEC-2014, Amsterdam, Netherlands, Sep 22, 2014

Professional Memberships

Mar, 2022

The Japanese Applied Physics Society
Mar, 2022

The Japanese Photovoltaics Society
Korean Physical Society
Materials Research Society
Nepal Physical Society

Research Projects

Colloidal synthesis of all-inorganic tin-based perovskite quantum dots and their application for solar cells

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024

Profile Information

Research Interests

Research Areas

Research History

Education

Awards

Papers

Presentations

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